Spermacoce membranacea R.Br. ex Benth.

Bentham, G. (1867) Flora Australiensis 3: 441. Type: N. Australia. Islands of the Gulf of Carpentaria, R. Brown.

Spreading to erect annual herb up to 40 cm tall.

Leaves 10-45 x 5-15 mm, scabrid to hispid.

Capitula to 10 mm wide; calyx lobes green with a pale margin, triangular to 1 mm long; corolla lobes 1.5-2.2 mm long, tube shorter (0.7 mm) than the corolla lobes, glabrous outside but with a row of moniliform hairs just below the top, lobes with a few broad hairs on the outside; stamens exserted, longer than the corolla lobes; anthers much shorter than the filaments; style 3 mm long, exceeding the corolla lobes.

Capsule with hairs throughout. Seeds elliptic, ca. 1.5 x 0.6 mm with a faintly reticulated testa.

Features not available.

Occurs in NT. Altitudinal range near sea level. Grows in sandy soil in the margins of vine thickets.