Ageratum conyzoides subsp. conyzoides

Ageratum conyzoides subsp. conyzoides

(Billygoat Weed)

FAMILY

Asteraceae

Species

Ageratum conyzoides subsp. conyzoides

Common name(s)

Billygoat Weed

Flower colour; life form

Flowers white to mauve. Herb to 1 m tall

Distinguishing features

Leaves opposite at base, later alternate; leaves obtuse at base. Flowering heads branched; involucral bracts lack hairs, glands absent. Florets mauve or white. Pappus of usually 5 white awned scales.

Ageratum conyzoides subsp. conyzoides