Image from Leslie J. Mehrhoff, University of Connecticut,

Black Swallowwort

(Vincetoxicum nigrum/Cynanchum louiseae)

Black swallowwort is a perennial, herbaceous vine without tendrils. The seed pods look similar to milkweed pods. Black swallowwort invades forests and open areas, and is not common in the state. For more information, see WDNR and Minnesota Wildflowers.  

Image from Peter M. Dziuk,

Golden Creeper/Red Hailstone/Manchu Tubergourd

(Thladiantha dubia)

Golden creeper is a perennial, herbaceous vine with tendrils, yellow flowers, and hairy heart-shaped leaves. It invades a variety of habitats, but only a few infestations have been identified in the state. For more information, visit SEWISC and Minnesota Wildflowers

Image from Katy Chayka,

Japanese Hops

(Humulus japonicus)

Japanese hops is an annual, herbaceous vine that invades streambanks. The leaves usually have 5-7 lobes. Native common hops has fewer lobes. Japanese hops is not common in the state. For more information, see the WDNR and Minnesota Wildflowers

Oriental Bittersweet

(Celastrus orbiculatus)

Oriental bittersweet is woody vine that grows in forests and open areas. American bittersweet is visually similar, but native. For more information about differentiating between these two species, see this USGS Factsheet. Oriental bittersweet is somewhat common in the state. For more information about oriental bittersweet, visit WDNR.

Image from Nancy Loewenstein, Auburn University,

Porcelain Berry

(Ampelopsis brevipedunculata)

Porcelain berry is a woody perennial vine that invades forests and open areas. Porcelain berry has multi-colored berries and leaves that look similar to wild grape. It is not common in the state. For more information, see WDNR and Virginia Native Plant Society

More species to be added soon!

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