Jamaican Vervain
Blue Porterweed

Stachytarpheta jamaicensis

Jamaican Vervain, Stachytarpheta jamaicensis, by Michael Plagens

Photographed at the forest boundary, Kakamega, western Kenya, East Africa. Dec. 2015.

LEAVES: Dark green leaves have prominent veins and coarsely serrated leaf margins. Opposite leaves.

SUBSHRUB: Mostly herbaceous growth from woody bases; plants mostly less than 1½ m.

FLOWERS: Blue flowers appear in a tall, narrow spike. There are five fused petals.

RANGE: This is an introduced plant and is sometimes weedy or invasive. Native to the Caribbean.



Verbenaceae -- Vervain Family

More Information:

Kenya Natural History

Copyright Michael J. Plagens, page created 27 July 2015