Australian Tropical Rainforest Plants - Online edition

Spermacoce membranacea R.Br. ex Benth.

Herb (herbaceous or woody, under 1 m tall)
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Leaves, flowers, fruit. Herbarium specimen. © ATH
Habit. Herbarium specimen. © ATH

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.

Distribution and Ecology

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

Borreria membranacea (Benth.) Specht, Records of the American-Australian Scientific Expedition to Arnhem Land No. 3 Botany and Plant Ecology : 473(1958).
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