Plants have higher photosynthetic efficiency under higher light levels (Luken et al., 1995). L. maackii has been introduced to North America, Germany and the UK. The leaves are opposite, lightly hairy, and have long, acuminate tips. Diervilla lonicera , a native plant with the common name bush honeysuckle, has opposite leaves that are a similar shape to Amur honeysuckle’s, but is a much smaller shrub (less than 5’), and the leaves are toothed. We assessed the incidence, amount, and type of herbivory occurring on L. maackii in forest edge and interior habitats and investigated differences in timing of damage. Lonicera maackii (Amur Honeysuckle or Bush Honeysuckle) is a species of honeysuckle in the family Caprifoliaceae, native to temperate Asia in northern and western China (south to Yunnan), Mongolia, Japan (central and northern Honshū, rare), Korea, and southeastern Russia (Primorsky Krai).It is listed as an endangered species in Japan. It was first grown in North America in 1896 at the Dominion Arboretum in Ottowa, Canada, from seeds sent from Germany. Leaves and stems: Leaves are opposite, 1½ to 3½ inches long, up to about 1½ inches wide, lance-elliptic, mostly widest at or below the middle, tapering to a pointed tip, rounded or tapering at the base with a short, hairy stalk. Lonicera maackii is an invasive shrub in North America for which allelopathic effects toward other plants or herbivores have been suspected. Wisonsin, USA: Herbarium, Cofrin Center for Biodiversity, University of Wisconsin. L. maackii has greater freezing tolerance in spring than Lindera benzoin (wild allspice) or Asimina triloba (pawpaw) (McEwan et al., 2009). Pringle JS, 1973. Seedling distribution and potential persistence of the exotic shrub Lonicera maackii in fragmented forests. The veins of the leaves are pubescent. L. maackii had been cultivated in Chinese gardens before it was collected by western explorers. The veins of the leaves are pubescent. Flora of Japan (2013) described L. maackii as rare, occurring along the edges of montane deciduous forests and sometimes on calcareous rocks in northern and central Honshu, Japan. Compendium record. L. maackii provides a food source for some birds and mammals (Luken and Thieret, 1996). Deciduous shrub, upright and spreading, to 15-20 ft (4.5-6 m) tall, twiggy. In Japan, L. maackii is described as rare, occurring along the edges of montane deciduous forests and sometimes on calcareous rocks in northern and central Honshu (Flora of Japan, 2013). North Dakota, USA: North Dakota Tree Information Center, North Dakota State University. NameThatPlant.net currently features 3816 plants and 23,855 images. Another common species, Amur Honeysuckle (Lonicera maackii), differs from Showy Honeysuckle by having white flowers, flowers and fruits that are nearly sessile, and leaves that are more acuminate (with slender acute tips). Common Name: Amur honeysuckle, bush or shrub honeysuckle Family Name: Caprifoliaceae - Honeysuckle Family Native Range: Korea, Japan, China, Eastern Russia NJ Status: Widespread and highly threatening to native plant communities. http://www.imapinvasives.org/GIST/ESA/esapages/documnts/loni_sp.pdf, Boyce RL, Durtsche RD, Fugal SL, 2012. Beijing, China. Restoration of a forest understory after the removal of an invasive shrub, Amur honeysuckle (Lonicera maackii). Expand. Lonicera maackii is an introduced species in Wisconsin and it has become invasive in our native communities. The leaves are dark green above and lighter on the lower surface. Herder. Keep search filters New search. Plant-pollinator interactions between an invasive and native plant vary between sites with different flowering phenology. Foliage The oppositely arranged leaves are ovate to lance-ovate in shape and measure 1.3-3.3 in. Similar species: Lonicera maackii is the only Lonicera shrub having flower stalks shorter than the leaf stalks. Commonwealth of Pennsylvania, Department of Conservation and Natural Resources, 1994. Lonicera maackii is a woody perennial shrub that can grow up to 16.5 ft. (5 m) in height. Two varieties or forms are sometimes listed: L. maackii var. Other honeysuckle shrubs can be distinguished by their smaller flowers, floral bracts, and other characteristics. L. maackii var. © Copyright 2020 CAB International. Lonicera maackii Amur honeysuckle Ineffective, the leaves of this species turn a poor yellow green in fall. Lonicera maackii (Amur honeysuckle); fruits. Landscape structure and spread of the exotic shrub Lonicera maackii (Amur honeysuckle) in Southwestern Ohio forests. Seeds from Russia were probably then distributed to gardens in Europe where it was being grown in England and Germany by the late 1800s (Luken and Thieret, 1996). Lonicera maackii is a woody perennial shrub that can grow up to 16.5 ft. (5 m) in height. L. maackii was found to have little effect on arthropod communities in leaf litter (Christopher and Cameron, 2012). http://epic.kew.org/epic/, Smith DG, 2013. (3.5-8.5 cm) long. American Midland Naturalist, 133(1):124-130, Luken JO, Kuddes LM, Tholemeier TC, 1997. erubescens Rehder and L. maackkii f. podocarpus Franch. it is a human commensal), Highly likely to be transported internationally deliberately. It is listed as a Class B Noxious Weed in Vermont and sale and planting are prohibited in Connecticut and Massachusetts, USA. Habitat and ecology: Introduced from Asia for horticultural purposes. By comparison, Amur Honeysuckle (Lonicera maackii) and Morrow's Honeysuckle (Lonicera morrowii) have hairy leaves and white flowers that fade to yellowish as they wither, and the bracteoles on Morrow's are half or more as long as the ovary at anthesis where Tatarian bracteoles are half or less. Advanced search Leaves. Amur honeysuckle, its fall from grace. International Journal of Remote Sensing, 28(15/16):3739-3745, Royal Botanic Gardens Kew, 2013. Lonicera maackii. Type: Broadleaf. The US states of Vermont, Massachusetts and Connecticut have regulations on movement of L. maackii within their borders. In North America, L. maackii is found in deciduous forests, along riparian corridors, in abandoned fields and on disturbed lands (Swearingen et al., 2010). Lonicera maackii is a woody perennial shrub that can grow up to 16.5 ft. (5 m) in height. Leaves contain phenolic compounds including apigenin and chlorogenic acid (Cipollini et al., 2008). Amur honeysuckle, Amur bush honeysuckle. Foliage. Seedlings can be killed by fire (Munger, 2005). Apparent competition: an impact of exotic shrub invasion on tree regeneration. erubescens occurs on hillside slopes in Anhui, Gansu, Jiangsu and Henan provinces in China (Zheng et al., 2006). The tips of the leaves are acuminate. Element Stewardship Abstract for Lonicera maackii (Rupr.) Physiologically based control of invasive Asiatic shrub honeysuckle. (3.5-8.5 cm) long. Genus: Lonicera. General Technical Report Number FHTET 2005-15, 1. Plants are self-incompatible (Deering and Vankat, 1999). Maryland Department of Natural Resources Policy: Restriction on Planting Exotic Invasive Plants, National Park Service, Mid-Atlantic Exotic Plant Management Team Invasive Plant List, National Park Service, National Capital Region Exotic Plant Management Team Invasive Plant List, New Hampshire Prohibited Invasive Species, New Jersey Invasive Species Strike Team 2017 Invasive Species List, New York Regulated and Prohibited Invasive Species - Prohibited, Non-Native Invasive Plants of Arlington County, Virginia, Non-Native Invasive Plants of the City of Alexandria, Virginia, Nonnative Invasive Species in Southern Forest and Grassland Ecosystems, Pennsylvania Department of Conservation and Natural Resources Invasive Plants. Viola pedata. > 0°C, wet all year, Continental climate, wet all year (Warm average temp. https://plants.sc.egov.usda.gov, Vermont Department of Agriculture, 2013. Seeds germinate best in warm, humid, light conditions and are inhibited by dark (Luken and Goessling, 1995). It grows as a tall, deciduous shrub in dense stands along woods edges, in disturbed forests and along riparian corridors, outcompeting native species for resources. Pronunciation: lon-ISS-er-a MAK-e-i . a Two shrubs growing at the Beijing Vocational College of Agriculture, photographed 1 … Lonicera maackii Amur honeysuckle The largest of the common honeysuckles, the opposite, simple and ovate-elliptic to ovate-lanceolate leaves are 2 to 3 1/2" long and entire with a short petiole. The population growth rate had not declined after another 19 years (Deering and Vankat, 1999). Synonyms: Xylosteum maackii Rupr. On NameThatPlant.net, plants are shown in different seasons (not just in flower), and you can hear Latin … Lonicera maackii var. Lonicera maackii is a woody perennial shrub that can grow up to 16.5 ft. (5 m) in height. Kew, Richmond, London, UK: Royal Botanic Gardens Kew. IPAMS., USA: Geosystems Research Institue and Mississippi State University, Castellano SM, Gorchov DL, 2013. Early Detection & Distribution Mapping System. Its dense growth competes with woody and herbaceous plants (Swearingen et al., 2010). Plant invaders of mid-Atlantic natural areas. L. maackii is a species of honeysuckle native to East Asia and primarily invasive in central and eastern USA and in Ontario, Canada. Influence of stem cutting and glyphosate treatment of Lonicera maackii, an exotic and invasive species, on stem regrowth and native species richness. The leaves are dark green above and lighter on the lower surface. Japanese Society for Plant Systematics, 2012, http://www.imapinvasives.org/GIST/ESA/esapages/documnts/loni_sp.pdf, http://www.efloras.org/flora_page.aspx?flora_id=2, http://www.uwgb.edu/biodiversity/herbarium/invasive_species/lonmaa01.htm, http://www.ag.ndsu.edu/trees/handbook/th-3-27.pdf, https://npgsweb.ars-grin.gov/gringlobal/taxon/taxonomysearch.aspx, http://agriculture.vermont.gov/sites/ag/files/pdf/plant_protection_weed_management/noxious_weeds/NoxiousWeedsQuarantine.pdf, http://www.invasive.org/browse/subinfo.cfm?sub=3040, Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License, Lonicera maackii (Amur honeysuckle); shrubs in an abandoned field. Indiana Invasive Species Council - Invasive Plant List, Jil M. Swearingen, Survey of invasive plants occurring on National Park Service lands, 2000-2007, Jil Swearingen, personal communication, 2009-2017. Relationships between an invasive shrub Amur honeysuckle (Lonicera maackii, Caprifoliaceae) and environmental factors on recruitment of sugar maple trees (Acer saccharum, Aceraceae) in southwestern Ohio. Pesticides should always be used in a lawful manner, consistent with the product's label. (3.5-8.5 cm) long. Applied Vegetation Science, 10(1):3-14. http://www.bioone.org/doi/full/10.1658/1402-2001%282007%2910%5B3%3AADSOFO%5D2.0.CO%3B2, Herman DE, Stange CM, Quam VC, 2013. Sometimes semi evergreen retaining its light green, oval leaves until the hard frosts. Delaware Wildflowers., http://www.delawarewildflowers.org/, Texas Invasives, 2013. L. maackii will grow in alkaline to slightly acidic soils. http://data.gbif.org/species/, Goodell K, McKinney AM, Lin CH, 2010. http://www.texasinvasives.org/, USDA-ARS, 2014. The flowers are white (turning yellow with age) and the fruits are red and numerous. Noxious Weeds. The USDA received additional shipments of L. maackii seeds from Britain and Manchuria, China, in the early 1900s (Luken and Thieret, 1996). It is listed as an endangered species in Japan. Essential oils are extracted from the flowers in China and artificial cotton is made from the stems (Zheng et al., 2006). (3.5-8.5 cm) long. St. Louis, Missouri and Cambridge, Massachusetts, USA: Missouri Botanical Garden and Harvard University Herbaria. Flora of China. The leaves are dark green above and lighter on the lower surface. http://plants.usda.gov/, Vermont Department of Agriculture, 2013. Canadian Journal of Botany, 73(12):1953-1961, McCullough C, 2009. You searched for: Lonicera maackii Remove constraint Lonicera maackii. http://foj.c.u-tokyo.ac.jp/gbif/, Kaufman S, Kaufman W, 2013. 6.5-10 ft.). No known biological controls exist (Batcher, 2000). Wallingford, UK: CABI, CABI, Undated b. CABI Compendium: Status as determined by CABI editor. al., 2011). Although it will grow in full shade, L. maackii prefers woodland edges and open areas. Birds eat the fruits and appear to be a major means of spreading the seeds. The stem is opposite branched and tan and could be percieved as a braided-strand. Arnoldia (Boston), 57(3):2-12, Luken JO, Tholemeier T, Kuddes LM, Kunkel BA, 1995. It is unclear why L. maackii has established so successfully in North America but not in Europe, where it has also been planted as an ornamental. Monitoring and surveillance (incl. Lonicera maackii (Caprifoliaceae) adventive in Ontario. Synonyms: Xylosteum maackii Rupr. Young stems are solid and older stems are hollow. Lonicera xylosteum: peduncles longer than 5 mm and leaf blades obtuse to acute at the apex (vs. L. maackii, with peduncles shorter than 5 mm and leaf blades abruptly tapering to an acuminate apex). (3.5-8.5 cm) long. Delaware Wildflowers. 1994. Beltsville, Maryland, USA: National Germplasm Resources Laboratory. Herder (Caprifoliaceae), on the growth and survival of native tree seedlings. As a perennial deciduous shrub, it grows tall along wood edges, disturbed forests, and along riparian corridors. No studies on  the impact of L. maackii on threatened or endangered species were found. Lonicera maackii (Amur honeysuckle); habit, showing leaves and fruits. Growth and reproduction of three perennial herbs was also reduced (Miller and Gorchov, 2004). http://www.gbif.org/species. 4 pp. Further details may be available for individual references in the Distribution Table Details section which can be selected by going to Generate Report. Lonicera maackii is a woody perennial shrub that can grow up to 16.5 ft. (5 m) in height. Arnoldia (Boston). Lonicera maackii, the Amur honeysuckle, is a species of honeysuckle in the family Caprifoliaceae that is native to temperate western Asia; specifically in northern and western China south to Yunnan, Mongolia, Primorsky Krai in southeastern Siberia, Korea, and, albeit rare there, central and northern Honshū, Japan. Foliage The oppositely arranged leaves are ovate to lance-ovate in shape and measure 1.3-3.3 in. ex Rehder, Highly adaptable to different environments, Tolerates, or benefits from, cultivation, browsing pressure, mutilation, fire etc, Benefits from human association (i.e. Overview Other names for this plant include: Common names: bush honeysuckle, late honeysuckle, Maak's honeysuckle. Avian seed dispersal of an invasive shrub. Extracts of phenolic compounds in the leaves of L. maackii affect the growth of other plants, the feeding behavior of insects and the survival and behavior of amphibians in several experiments (Cipollini et. (3.5-8.5 cm) long. Pith of mature stems is hollow and white or tan. podocarpa Franch. (3.5-8.5 cm) long. Young plants can be removed by hand pulling, hoeing or digging. Lonicera maackii (Rupr.) Repeated clipping can be used to control mature L. maackii in forest settings, but plants should be clipped more than once a year or increased fruiting may occur (Luken and Mattimiro, 1991). All information on this site is copyright protected. First introduced into Long Island in 1806 as an ornamental plant, it has spread widely outside cultivation as birds disperse its seeds. Baton Rouge, USA: National Plant Data Center. Electronic Plant Information Centre (ePIC). (1.5-2 cm) long and are bilabiate. American Midland Naturalist, 139(2):383-390, ITIS, 2013. Electronic Plant Information Centre (ePIC)., Kew, Richmond, London, UK: Royal Botanic Gardens Kew. Allelopathic effects of invasive species (Alliaria petiolata, Lonicera maackii, Ranunculus ficaria) in the Midwestern United States. http://www.ag.ndsu.edu/trees/handbook/th-3-27.pdf, Hidayati SN, Baskin JM, Baskin CC, 2000. Plant Ecology, 212(6):1025-1035. http://springerlink.metapress.com/link.asp?id=100328, Meiners SJ, 2007. Twenty-five ways to remove Amur honeysuckle (Lonicera maackii). Noxious Weeds., Vermont, USA: Vermont Department of Agriculture. By comparison, Amur Honeysuckle (Lonicera maackii) and Morrow's Honeysuckle (Lonicera morrowii) have hairy leaves and white flowers that fade to yellowish as they wither, and the bracteoles on Morrow's are half or more as long as the ovary at anthesis where Tatarian bracteoles are half or less. Foliage The oppositely arranged leaves are ovate to lance-ovate in shape and measure 1.3-3.3 in. Biological Invasions, 8(5):1013-1022. http://www.springerlink.com/content/779374p5w59850ln/?p=c7eccd56f86e4678b947e73fe12ed688&pi=3, Batcher MS, Stiles SA, 2000. Foliage The oppositely arranged leaves are ovate to lance-ovate in shape and measure 1.3-3.3 in. http://agriculture.vermont.gov/sites/ag/files/pdf/plant_protection_weed_management/noxious_weeds/NoxiousWeedsQuarantine.pdf. L. maackii branches with leaves were regularly collected in Beijing, China over the 2-month period in which leaves abscise, and examined with SEM. Lonicera maackii Amur honeysuckle Ineffective, the leaves of this species turn a poor yellow green in fall. It is not as widely sold or promoted in the USA as it once was, but is still readily available at some nurseries and through online sales worldwide. Lonicera maackii is a large, vigorous, urban-tolerant, and full sun- to deep shade-tolerant shrub, with showy white to creamy-yellow late Spring flowers, an arching growth habit, and red Autumn fleshy berries that attract birds and squirrels, which disperse its seeds and the species to many different environments. Lonicera maackii can reach a height of 7 m. It has multiple stems and the leaves are dark-green and opposite. Habitat. Where L. maackii is already established there is a high probability of it spreading locally. Biological Invasions, 15(8):1713-1724. http://rd.springer.com/article/10.1007/s10530-012-0402-y, Love JP, Anderson JT, 2009. Washington, D.C, USA: National Park Service and US Fish and Wildlife Service, 168, Texas Invasives, 2013. The Journal of the Torrey Botanical Society, Vol. It is distinguished from its close relative, trumpet honeysuckle (Lonicera sempervirens) by its dark-purple berries and unfused leaves. Lonicera maackii is a woody perennial shrub that can grow up to 16.5 ft. (5 m) in height. Invasive Plant Control in Maryland. Media in category "Lonicera maackii" The following 49 files are in this category, out of 49 total. Often it is one of the first shrubs to leaf out in the spring. In its native range in China L. maackii grows in open forests and scrub areas (eFloras, 2013) from 1800 m to 3000 m above sea level (Zheng et al., 2006). Deciduous, multi-stemmed shrub that generally grow 2-3 m tall (approx. Flora of Japan. 2003. Ecological threat: Thrives in forests, forest edges and open grasslands forming dense stands. USA: The University of Georgia - Center for Invasive Species and Ecosystem Health. Plants are sold in nurseries and seeds are sold worldwide (Luken and Thieret, 1996). Hutchinson and Vankat (1998) found that large agricultural fields provided a barrier to the spread of L. maackii on a landscape scale. The leaves are ovate and oblong and have rounded to subcordate bases. Therefore, our objective was to use scanning electron microscopy (SEM) to examine the progression of leaf abscission in L. maackii at the cellular level. The genus Lonicera L. (syn. Generate a print friendly version containing only the sections you need. October 2013, Inner Mongolia; Original citation: Flora of Japan (2013), Cf - Warm temperate climate, wet all year, Warm average temp. Lonicera maackii Bush honeysuckle (Lonicera mackii ), also known as amur honeysuckle, is native to East Asia and is primarily invasive in central and eastern United States . Lonicera morrowii: Phenolic Metabolites in Leaves of the Invasive Shrub, Lonicera maackii, and Their Potential Phytotoxic and Anti-Herbivore Effects March 2008 Journal of Chemical Ecology 34(2):144-52 Wallingford, UK: CABI, EDDMapS, 2013. Leaf phenology and freeze tolerance of the invasive shrub Amur honeysuckle and potential native competitors. 2: Naturalised Pteridophytes, Gymnosperms, Dicotyledons. Flora of New Zealand, Vol. Lonicera maackii leaf litter is high in nitrogen, supports a unique microbial community, and leaf breakdown is up to 5 times faster than native leaves (Arthur et al. For more information, visit www.eddmaps.org. (3.5-8.5 cm) long. Lonicera Species: maackii Family: Caprifoliaceae Life Cycle: Perennial Woody Recommended Propagation Strategy: Seed Country Or Region Of Origin: Amur River basin in China and Russia, Japan, Korea Wildlife Value: Fruits are enjoyed by birds and aid in the spread of this plant. It has a very bushy growth form and the leaves are entire (smooth margins, no teeth) and opposite. Germplasm Resources Information Network (GRIN). The leaves are dark green above and lighter on the lower surface. Start Over. Lonicera xylosteum: peduncles longer than 5 mm and leaf blades obtuse to acute at the apex (vs. L. maackii, with peduncles shorter than 5 mm and leaf blades abruptly tapering to an acuminate apex). The bark often flakes off the stem. 4, p. 386. Landsat and Enhanced Thematic Mapper (ETM+) imaging have been used in late autumn to determine areas with high and low cover of L. maackii (Resasco et al., 2007). Leaves oval-lanceolate, with long, slender points, and tapered at the base, 1 1 ⁄ 2 to 3 in. Little information is available on possible biological control agents for L. maackii. Lonicera x purpusii 'Winter Beauty' —A hybrid of lonicera fragrantissima and lonicera standishii, lonicera x purpusii, known as winter honeysuckle, sweetly scented pairs of small, pure white flowers. Stems. The distribution in this summary table is based on all the information available. In: Canadian Field-Naturalist, 87 54-55. In North America, L. maackii produces leaves very early in spring, before most native species, and retains its leaves longer than most in autumn (McEwan et al., 2009). Studies in southern Ohio, USA, have shown that plant species richness is greatly reduced under a canopy of L. maackii, and that L. maackii reduced survival and fecundity of three annual herbaceous plants (Gould and Gorchov, 2000; Collier et al., 2002). WeedUS - Database of Plants Invading Natural Areas in the United States, West Virginia Invasive Species Strategic Plan and Volunteer Guidelines 2014, West Virginia Native Plant Society, Flora West Virginia Project, and West Virginia Curatorial Database System, September 3, 1999, Wisconsin's Invasive species rule – NR 40. October 2013, Lonicera maackii (Amur honeysuckle); habit, showing fruits and foliage.Beijing Botanical Garden. http://www.tropicos.org/, Owen HR, McDonnell AL, Mounteer AM, Todd BL, 2005. Global Biodiversity Information Facility. A study of fungi and arthropods on in China identified several species that live or feed on L. maackii (Zheng et al., 2006). Transpiration by L. maackii in wetland sites could reduce water in ephemeral ponds and streams, adversely affecting amphibians and other organisms that depend on ephemeral wetlands (Boyce et al., 2011). © University of Georgia - Center for Invasive Species and Ecosystem Health, A Field Guide for the Identification of Invasive Plants in Southern Forests, Southeast Exotic Pest Plant Council Invasive Plant Manual, Weeds Gone Wild: Alien Plant Invaders of Natural Areas, Plant Invaders of Mid-Atlantic Natural Areas, City of Ann Arbor Michigan Parks and Recreation. Though Lonicera maackii has not yet become a major problem in New England, it is very troublesome in the southern and midwestern parts of the country. Kew Bulletin, 7(4):539-541, Japan Society for Plant Systematics, 2012. Flowers are pollinated by honey bees and small native bees in the USA (Goodell et al., 2010). L. maackii appeared to facilitate pollination of an understory forest herb by flowering at the same time and attracting more pollinators. 102pp. American Midland Naturalist, 167(2):256-272. http://www.bioone.org/loi/amid, Cipollini D, Stevenson R, Enright S, Eyles A, Bonello P, 2008. L. maackii is diploid (Janaki and Saunders, 1952) with a chromosome count of 2n=18 (Missouri Botanical Garden, 2014). The overall shape of a mature plant is like a multi-trunk umbrella. The leaves are oppositely arranged, 5–9 cm long and 2–4 cm broad, with an entire margin, and with at least some rough pubescence. Texas Invasives.org. Media in category "Lonicera maackii" The following 49 files are in this category, out of 49 total. (6 mm) in diameter. Young branches and twigs are more brown, smooth-textured, and pubescent. Tropicos database. Dormancy-breaking and germination requirements of seeds of four Lonicera species (Caprifoliaceae) with underdeveloped spatulate embryos. (3.5-8.5 cm) long. 57 (3), 2-12. The bark of older branches is gray with flat scaly ridges and narrow grooves. Specimens collected along the Amur River in Manchuria, northeast China, by plant explorer Richard Maack provided the first specimens described by taxonomist F. von Herder in 1864 (Luken and Thieret, 1996). L. maackii is listed as critically endangered on Japan's Red List (Japanese Society for Plant Systematics, 2012). The white flowers are found in erect pairs that are on peduncles shorter than the petioles. DC includes species that are upright shrubs, while Nintooa (Spach) Maxim. Creating gaps by removing L. maackii shrubs can increase native generalist species establishment, but can also increase establishment of some other invasive species (Luken et al., 1997). A dendro-ecological study of forest overstorey productivity following the invasion of the non-indigenous shrub Lonicera maackii. Lonicera maackii Amur honeysuckle The largest of the common honeysuckles, the opposite, simple and ovate-elliptic to ovate-lanceolate leaves are 2 to 3 1/2" long and entire with a short petiole.
2020 lonicera maackii leaves