American bittersweet (Celastrus scandens) is a widespread and, in Minnesota, fairly common woody vine. American bittersweet vines are also vigorous but are much better behaved and produce larger and showier fruits. New stems are green becoming gray-brown and woody with age, the bark lightly textured with scattered grayish pores (lenticels), and peeling or flaking on older stems. I found this in Kasota Prairie in Le Sueur County yesterday. It is most easily distinguished while flowering (C. orbiculatus flowers are in the leaf axils) or fruiting (fruits have yellow casings); see the Oriental Bittersweet page for more detail and comparative images. The one that should be grown in Minnesota is American Bittersweet. Sometimes the leaf blades are rounded at the tip. It is most easily distinguished while flowering (C. orbiculatus flowers are in the leaf axils) or fruiting (fruits have yellow casings); see the Oriental Bittersweet page for more detail and comparative images. It climbs by growing spirally from left to right up a tree or other adjacent vegetation. 625 Robert Street North Saint Paul, MN 55155-2538. Partial shade. Attach one or more photos and, if you like, a caption. Plus, it is easy to find in nurseries! They are poisonous to humans but not to birds. American bittersweet is a native woody and shrubby climber, growing over trees or fences. Have you seen this plant in Minnesota, or have any other comments about it? Copyright 2013 by the Regents of the University of Minnesota, Location: Crow-Hassan Park Reserve, Hennepin County. Saw the berrys on the forest floor, jogged my memory, located it in my book, checked the web on the smartphone, and then shared it with you!! Mature leaves are on ⅜″ to 1″ long leaf stalks. Note: All comments are moderated before posting to keep the riff-raff out. American bittersweet occurs naturally in the central and eastern United States except in Florida. Flowers on the lower, longer branches mature earlier than those on the shorter,
The American Bittersweet vine is a vigorous, hardy vine that produces small inconspicuous flowers which precede clusters of red-orange berries. The vines are dioecious, meaning they are either male or female. Male flowers have 5 stamens and a small, nonfunctioning (vestigial) pistil. The leaves turn greenish-yellow to yellow in the fall. Male flowers have 5 stamens with yellow tips. Phone: 651-201-6000 Toll Free: 800-967-2474 711 TTY When leaves first appear and begin unfolding the blade is folded in half along the midvein, not rolled inward. The easiest way to distinguish American and Oriental bittersweets is by the fruit capsule color (orange for American and yellow for Oriental) and fruit placement (at the terminal ends for American and at the leaf axils for Oriental). The vines are commonly found in the woods growing on trees.
The upper surface is green or dark green and hairless. Moist to dry. The bark on young woody stems is thin and brown. Photos are courtesy of the Minnesota Department of Agriculture. A fleshy, berry-like covering of the seed coat, as with Canada yew. Even though it scrambles up trees it does not harm them. A thin, flat, membranous, usually transparent appendage on the margin of a structure. It climbs by growing spirally from left to right up a tree or other adjacent vegetation. The branches are circular in cross section and are not winged.
On plants: The thread-like stalk of a stamen which supports the anther. long (10 cm). It often winds itself around trees and covers low-growing shrubs. Photos by K. Chayka taken in Anoka county. To distinguish American Bittersweet from Oriental Bittersweet, notice the placement of the flowers/berries; on the American they hang in terminal panicles of 5-60 berries whereas on the Oriental there are small clusters of 2-4 berries all along the stem. It was introduced to North America in the mid-1860s as an ornamental. An outer floral leaf, usually green but sometimes colored, at the base of a flower. There is also American bittersweet (Celastrus scandens), which is a highly desirable native plant. In the wild, you can find it growing on the edges of glades, on rocky slopes, in woodland areas and in thickets. It looks much like its cousin, the American bittersweet. Can this specimen be moved to a more sunny location or should I try to tuteur it in place? Bittersweet vines are North American native plants that thrive throughout most of the United States. When they first appear and begin unfolding each side of the blade is rolled inward toward the upper side. You need both to produce the berries. Funding provided by the Minnesota Environment and Natural Resources Trust Fund as recommended by the Legislative-Citizen Commission on Minnesota Resources. The petals are pale green or greenish white, about ⅛″ long, and 1⁄32″ to 1 ⁄16″wide. The youngest unfolding leaf had rolled edges. The bark on older stems is smooth and peels off in flakes (exfoliates). Reported distribution of Oriental bittersweet in Minnesota. Simply email us at info@MinnesotaSeasons.com. They are variable in shape, even on the same stem. It matures in early September to early October. This is one of the most ornamental of our hardy northern vines. Oriental bittersweet (Celastrus orbiculatus) bark is dark brown and does not exfoliate. Oak Wilt Risk Status. Thickets, upland woodlands, woodland edges and openings, and roadsides. This button not working for you? On Lepidoptera: One of a pair of long, thin, fleshy extensions extending from the thorax, and sometimes also from the abdomen, of a caterpillar. There are two main types of bittersweet, Oriental and American. Female flowers have a functioning pistil and 5 vestigial stamens (staminodia). Your photo on the oriental bittersweet page (6 of 11) clinched the ID. 11/07/98-Host Brenda Sanders educates viewers about the American Bittersweet. The flowers mature from the bottom up. Consider yourself lucky when a native bittersweet plant pops up in your garden. 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. this photo was taken in Burnsville, MN (credit unknown) Each aril contains a single brown seed. Stems are green and hairless in the first year, becoming gray or brown in the second year. Leaves are alternate, 2 to 4 inches long and about half as wide, generally oblong-elliptic or sometimes widest above the middle, finely serrated around the edges, hairless, rounded or slightly tapered at the base, often with a long taper to the sharply pointed tip (acuminate), on a hairless stalk about ¾ inch long. It is hardy in zones 3 through 8. They climb by growing spirally (twining) from left to right (dextrorsely). Region of Origin: American Bittersweet is native to the United States and currently grows over about two-thirds of the eastern United States, except Florida (1). Dec 12, 2016 - Autumn Revolution American Bittersweet (Celastrus scandens) hardy in Mn Male and female flowers are similar and are borne on separate plants. A pyramidal inflorescence with a main stem and branches. Although American bittersweet is also a vine and climbs on nearby vegetation, it does not appear to grow as rapidly or as large as oriental bittersweet. It is a high-climbing twiner that matures to 25 feet or more and it winter hardy to ̵ 50º. Thanks for your understanding. Web design and content copyright © 2006-2020 MinnesotaWildflowers.info. Images: American bittersweet (LEFT) by Brett Whaley is licensed under CC BY-NC; Oriental bittersweet (RIGHT) by Esteve Conway is licensed under CC BY. Map of native plant purveyors in the upper midwest. Berries historically used for festive wreaths. Located in Northfield, Twin Cities. Your Name: