4163

Woody vine
Perennial
Has milky sap (latex)

Non-native: Mediterranean Europe

Documented growing wild in - - -

Look for it in disturbed areas. It is reported for many states in the northeast US, south to MD, KY, TN, per Weakley's Flora

To see a detailed map, click here

Invasive?

This plant may be causing problems in natural areas outside its native range, according to authorities such as:

• Forest Health Assessment & Applied Sciences Team: New Invaders of the Southeast

 

LEAVES:
Simple
Opposite

FLOWER:
Spring/Summer
Dark purple, almost black
Radially symmetrical
5-lobed corolla
Superior ovary

FRUIT:

 

TO LEARN MORE about this plant, look it up in a good book!

• Invasive Plants, Guide to Identification, Impacts and Control p228
• New Invaders of the Southeast p039

Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Lamiids: Gentianales

WEAKLEY'S FLORA (5/21/15):
Vincetoxicum nigrum   FAMILY Apocynaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Cynanchum louiseae   FAMILY Asclepiadaceae

SYNONYMOUS WITH Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)
Cynanchum nigrum