The upper surface is darker green, appearing shiny or with sparse hairs; the lower surface is lighter green with hairs typically present. Flowers are yellowish-green, in groups of 1-3, nestled at the base of leaves, from May to July. Leaves are alternate, smooth-edged, elliptical, either rounded or pointed at the tip, up to 4" (10 cm) × 2" (5 cm). In New England, don't confuse with the native shrub, Alderleaf Buckthorn (Rhamnus alnifolia L'Her. Leaves: Glossy buckthorn has Rhamnus alnifolia is a species of flowering plant in the buckthorn family known by the common names alderleaf buckthorn, or alder buckthorn. Rhamnus alaternus ( Italian Buckthorn ) A fast growing, thornless, upright, open, evergreen shrub to small tree, native to the Mediterranean and Black Sea regions. * Leaf blades have fewer than 8 pairs of parallel veins that angle from the mid-vein to the leaf margin. As for the native buckthorn, the county distribution map shows it's not known to be present in your area. Alder-leaf Buckthorn seldom forms large stands and is not invasive like Glossy or European Buckthorn is. Catling, P.M., and Z.S. Photo by Corey Raimond. It is native to North America, where it is known mainly from the southern half of Canada and the northern half of the United States and California. Alderleaf buckthorn is a deciduous shrub that has leaves with 5–8 pairs of parallel leaf veins, bluish-black berries, flat-topped clusters of a few greenish-yellow flowers, and grows in moist to wet, marshy areas. Glossy Buckthorn (Frangula alnus) has toothless leaves with 6 to 9 veins per side, and Common Buckthorn (Rhamnus cathartica) has 4-parted flowers and … PLANTS Characteristics Data Fields and Definitions for more than 100 Characteristics Flowers are small, ¼ inch or less across, yellowish green, 5 pointed and star-like, short stalked, in clusters of 1 to 3 in the leaf axils of new growth. Common names are from state and federal lists. There are two species of buckthorn in the area and this page will go through how to identify them at different stages of growth. They became a nuisance plant, forming … Soil Drainage: Needs a well … Deciduous species can also be reproduced from softwood cuttings taken during early summer. Typically, it has multiple stems when young, and develops into a tree with a trunk that may reach 25 cm (10 in) in diameter at maturity. What Research Shows. It is native to North America, where it is known mainly from the southern half of Canada and the northern half of the United States and California. Characteristics: * Leaves fine-toothed, elliptic, hairless, 2-6". ), which does have alternate leaves with 8-9 pairs of veins, but the leaves are toothed, leaf surfaces are puckered (like seer-sucker fabric), and the buds are scaly (not naked). I am pretty sure I have Black Chokecherry, but also something similar. USDA Hardiness Zone: 5B - 9B Mature Height: 12 to 15 ft Mature Spread: 10 to 15 ft Growth Rate: Moderate Availability: Rarely available Drought Tolerance: High Salt Tolerance: Unknown Light Requirements: Full sun to partial shade. While fairly widespread and common within its preferred habitats across the northern 2/3 of the state, as you'd expect with native species it is not invasive at all. Comment (max 1000 characters): Note: Comments or information about plants outside of Minnesota and neighboring states may not be posted because Id like to keep the focus of this web site centered on Minnesota. Unlike other "buckthorns", this alder buckthorn does not have thorns. An email address is required, but will not be posted—it will only be used for information exchange between the 2 of us (if needed) and will never be given to a 3rd party without your express permission. Note: All comments are moderated before posting to keep the riff-raff out. The root/branch structures of these colonies may become disconnected over time producing genetically identical but independently functioning individuals within the colony. and Henn. – alderleaf buckthorn Subordinate Taxa. July 27, 2018 Managing Invasive Buckthorn in Natural Areas July 27, 2018 / Celestine Duncan. The bark of its relative cascara false buckthorn (Rhamnus purshiana) is more commonly used as tea, liquid extract, or dried and powdered. It leafs out very early and retains its leaves late into the growing season, giving them a longer growing season than native plants. Main branching stems are horizontally spreading, typically less than 1 inch in diameter at the base with thin, roughish red-brown to gray bark. avenae Eriks. I have a small colony of R. alnifolia along my woodland edge and it would be very difficult to confuse it with the invasive buckthorn species. Porebski. Description of Common Buckthorn Common Buckthorn is closely related to two other buckthorn species, Glossy Buckthorn (Frangula alnus) a non-native invasive species also present within Ontario, and Alderleaf Buckthorn (Rhamnus alnifolia), a species that is native and widespread in southern Ontario. View All Images.
See the glossary for icon descriptions.  It is native to North America, where it is known mainly from the southern half of Canada and the northern half of the United States and California. The leaf surface is puckered (like seer sucker fabric). Help support this site ~ Information for sponsor opportunities. Alder buckthorn is a type of laxative that might also decrease potassium in the body. A primary means of reproduction is by a process called “layering”, where the horizontal stems and branches produce roots, creating expanding colonies up to 50 feet across. The leaves are alternately arranged, shiny green, 3-10 cm long, egg shaped with a pointed tip, and have slightly toothed margins. Common buckthorn is a Restricted noxious weed.  It can be found in forested habitat. Glossy Buckthorn (Frangula alnus) has toothless leaves with 6 to 9 veins per side, and Common Buckthorn (Rhamnus cathartica) has 4-parted flowers and leaves with rounded teeth and only 3 or 4 veins per side. The history of invasion and current status of glossy buckthorn, "Rhamnus alnifolia (Alder-leaved Buckthorn)", https://en.wikipedia.org/w/index.php?title=Rhamnus_alnifolia&oldid=968662433, Flora of the Great Lakes region (North America), Pages using Jepson eFlora template without author names, Short description is different from Wikidata, Creative Commons Attribution-ShareAlike License, This page was last edited on 20 July 2020, at 18:58. Common, or European, buckthorn, and glossy buckthorn are the two non-native, invasive buckthorn species found in Minnesota. 1994. It was subsequently separated by Phillip Miller in 1768 into the genus Frangula on the basis of its hermaphrodite flowers with a five-parted corolla (in Rhamnus the flowers are dioecious and four-parted), and it is now designated Fangula alnus. It can be found in forested habitat. Taking alder buckthorn along with some medications for inflammation … Luciearl, the invasive buckthorns will be green into October and even November, which is why "buckthorn busts" are usually held in fall - whatever is still green is probably bad. The tiny flowers are about 1 mm (0.04 in) wide and have five green sepals but no petals. Alderleaf Buckthorn is a small, deciduous shrub species that can grow about 1 m tall. , Species of flowering plant in the family Rhamnaceae, "Alder buckthorn" redirects here. The drupes darken to black when ripe. Natural History: * Flowers May - July. buckthorn, alderleaf buckthorn, common buckthorn, glossy buckthorn. We … See the other buckthorn profiles for other identifying information. • Green Alder (Alnus viridis) • Speckled Alder … Alderleaf buckthorn is a North American native. Map of native plant purveyors in the upper midwest. Alderleaf Buckthorn Rhamnus alnifolia Family Rhamnaceae. Fruit is a short-stalked, shiny, black berry up to 1/3 inch in diameter, with 1 to 3 seeds inside. About Alder Buckthorn (Rhamnus alnifolia) 1 Nurseries Carry This Plant Add to My Plant List; Rhamnus alnifolia is a species of flowering plant in the buckthorn family known by the common names alderleaf buckthorn, or alder buckthorn. Your email address: (required)
This plant has no children Legal Status. Identification: This small shrub reaches up to 3' (1 m) in height. Two other closely related species are alderleaf buckthorn (Rhamnus alnifolia) and cascara false buckthorn (Rhamnus purshiana). Rhamnus caroliniana (Carolina Buckthorn) *Click on picture for more images of this species. Alderleaf buckthorn is potent and may cause cramping. Native Origin: Native to Florida. ), please check the links and invasive species pages for additional resources.  The inflorescence is a solitary flower or umbel of up to three flowers occurring in leaf axils. This could help with winter id for those that treat it. Identifying buckthorn is pretty easy. The berry is often irregularly slightly lobed with a faint groove on the surface between each seed. Alderleaf Buckthorn – Rhamnus alnifolia, native and desirable: * has both alternate leaves and buds. Male and female flowers are on separate plants, the male flowers with 5 yellowish stamens surrounding a green center, females with a 3-parted style in the center. There is not enough data to support that buckthorn is helpful in treating health problems. Creates dense shade, eliminating regeneration of tree seedlings and understory species. Is it possible to get some close up photos of the bark and buds? This species produces a full crown with all branches arising from one main stem. Outer bark is dark gray, while the inner bark is yellow and the heartwood is pink to orange in color. These buckthorn species were first brought here from Europe as a popular hedging material. General Appearance. Fruits contain 3 to 4 seeds that are viable for 2 to 3 years in the soil. * Veins follow leaf edges. Funding provided by the Minnesota Environment and Natural Resources Trust Fund as recommended by the Legislative-Citizen Commission on Minnesota Resources. There are no petals, the triangular star points are sepals set around a flattened, saucer like recepticle. The bark (and to a lesser degree the berries) of alderleaf buckthorn has strong laxative effects and can induce vomiting in cases of poisoning. It's comparatively diminutive and very slow spreading. Side branches are erect, spindly, and thornless. Data and Apps Idaho Fish and Wildlife Information System Bringing information to bear on the management and conservation of fish, wildlife, and plants in Idaho. Maybe one of the invasive Buckthorns, but maybe it is the native one. Clusters of black 1/4–1/2 inch fruit ripen on female plants only in August and September. Threatened and Endangered Information: This plant is listed by the U.S. federal government or a state. It more closely resembles some of our other native shrubs in appearance and behavior. * Height: To 3'.
Dosages. Rhamnus alnifolia is a spreading shrub usually 50 to 150 cm (20 to 59 in) tall, rarely to 2 m (6 ft 7 in), its thin branches bearing deciduous leaves. View species at Maryland Plant Atlas. alderleaf buckthorn: buckthorn: European buckthorn: Plant: This smaller shrub reaches up to 3' (1 m) in height. Your Name:
Where in Minnesota? Evergreen species can be reproduced from half hardened cuttings taken during summer. The following animal species have been reported as pollinators of this plant species or its genus where their geographic ranges overlap: Bombus mixtus and Bombus pensylvanicus (Thorp et … The buds are scaly (not naked) but lack thorn tips of common buckthorn. Plants are rounded shrubs or small trees up to 33' (10 m) in height, with trunks that sometimes reach 10" (25 cm) in width. Buckthorn is a different plant than sea buckthorn. For all the negative press that buckthorns get, many people are surprised that Minnesota has a native buckthorn. * Fruits small, red to black, fleshy berries, with 2-4 seeds. Leaves and Berries. Alder buckthorn may also refer to. It does produce a fruit with viable seeds that are likely eaten and spread by wildlife, but co-evolved factors limit its introduction and spread across the broader environment. Minnesota Environment and Natural Resources Trust Fund, part shade; moist, shady bogs, fens, lake edges. For info on subjects other than plant identification (gardening, invasive species control, edible plants, etc. Identification Habit: Glossy buckthorn is a small tree or shrub with a spreading crown growing up to 6 m (20 ft) tall. Alderleaf buckthorn is an alternate host to the oat crown rust (Puccinia coronata Corda f. sp. • Glossy Buckthorn (Frangula alnus) - this species also grows in wetlands, but not as wet.  Female flowers produce drupes 6 to 8 mm (0.24 to 0.31 in) wide, each containing three seeds. Alder-leaf Buckthorn showing fruit and flower Our native Buckthorn, Alder-leaf Buckthorn (Rhamnus alnifolia) grew in two small colonies, one with three stems and the other with six. Rhamnus alnifolia is a species of flowering plant in the buckthorn family known by the common names alderleaf buckthorn, or alder buckthorn. Common buckthorn has a broad environmental tolerance. The Plants Database includes the following 19 species of Rhamnus . Unlike other "buckthorns", this alder buckthorn does not have thorns.
2020 alderleaf buckthorn identification