Australian Tropical Rainforest Plants - Online edition

Sida rohlenae Domin subsp. rohlenae

Herb (herbaceous or woody, under 1 m tall)
Shrub (woody or herbaceous, 1-6 m tall)
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Barker, R.M. (1998) Journal of the Adelaide Botanic Gardens 18(1): 36.

Common name

Shrub sida; Sida, shrub


Usually grows as an erect shrub about 1 m tall but has also been recorded as prostrate.


Leaf blades about 1.5-5.5 x 0.5-1.8 cm, margins serrate. Both the upper and lower surfaces densely stellate hairy. Stems clothed in short stellate hairs and scattered simple hairs. Stipules linear, about 4 mm long.


Calyx about 7-9 mm long, densely clothed in stellate hairs. Inner surface of the calyx tube +/- glabrous, lobes hairy. Ovary with about 9-10 locules, each containing one ovule. Stigmas about 9-10.


Fruits capsular, consisting of 8 mericarps each ending in two horns clothed in backward or downward-pointing hairs. Each mericarp about 3-4 mm long, horns about 5 mm long. Seeds brown, about 2 mm long.


Features not available.

Distribution and Ecology

Endemic to Australia, occurs in WA, NT, NEQ, CEQ and southwards to inland areas of South Australia and New South Wales. Altitudinal range not known, but in NEQ collected at 760 m. In NEQ grows as an understory plant in disturbed vine thickets and monsoon forest.

Sida rohlenae Domin, Bibliotheca Botanica 89(4): 944(1928), Type: Nordwest-Queensland: grasige Hugel bei Cloncurry (DOMIN II. 1910).
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