Acanthospermum hispidum DC.

Common Name : Bristly starbur

Family : Asteraceae

HABIT

PERENNIAL HERB OR UNDERSHRUB, 0.5-2 M TALL.

STEMS

DENSELY HAIRY, DICHOTOMOUS (Y-SHAPED) BRANCHING, BRANCHES NUMEROUS, LONG, ASCENDING, ANGULAR, FINELY PUBESCENT.

LEAVES

ELLIPTIC, OBLANCEOLATE OR OBOVATE, 1.5-7 CM LONG AND 0.7-2 CM WIDE, ACUTE OR OBTUSE AT APEX, ATTENUATE AND SUBPETIOLATE AT BASE, MARGINS SHALLOWLY SERRATE, WHITISH PILOSE ON BOTH SURFACES.

FLOWERS

YELLOW, BORNE IN HEADS IN THE FORKS OF DICHOTOMOUS BRANCHES.

FRUITS

ACHENES TRIANGULAR COVERED WITH STIFF HOOKED HAIRS AND HAVE EITHER A STRAIGHT OR CURVED PAIR OF SPINES AT THE TOP.