Swaziland's Alien Plants Database

Bidens biternata (Lour.) Merr. & Sherff
ASTERACEAE
yellow flowered blackjack, black jack, five leaved blackjack, beggar ticks
Disturbed areas, Minor problem species
Origin: Eastern Asia
Growth Form: Herb
Plant Description: Closely related to B. pilosa but leaves are usually divided into 5 leaflets with the lowermost pair redivided into two to three segments. The outer involucral bracts resemble those of B. bipinnata. The achenes are up to 16 mm long, almost glabrous.
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