Click on images
Leaves. Copyright A.Ford
Leaf showing three primary veins.. Copyright CSIRO
Flowers. Copyright Greg Calvert
Herbarium specimen showing leaf underside and flowers.. Copyright CSIRO
Herbarium specimen.. Copyright CSIRO
Chromolaena odorata (L.) R.M.King & H.Rob.
King, R.M. & Robinson, H.E. (1970) Phytologia 20(3): 204. Type: .
Eupatorium odoratum L., Systema Naturae Edn. 10 2: 1205(1759), 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.
Distribution and Ecology
A declared noxious weed. Considered to be one of the world's worst weeds.
Shrub (woody or herbaceous, 1-6 m tall)