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. Key Features: Control: Comments:

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