Chromolaena odorata (L.) R.M.King & H.Rob.
King, R.M. & Robinson, H.E. (1970) Phytologia 20(3): 204. Type: .
Scrambling shrub to 7 m tall, often around 4 m tall. Stem round in cross-section.
Simple, entire or toothed, triangular, 4.5-12 x 20-55 mm; upperside hairy; underside densely hairy, dotted with glands visible with a hand lens. Petioles 10-17 mm long. Three conspicuous main veins running from near base to tip. Have a pungent odour when crushed. Young leaves may be partly purplish.
Features not available.
A declared noxious weed. Considered to be one of the world's worst weeds.