Australian Tropical Rainforest Plants - Online edition

Marsdenia micradenia (Benth.) P.I.Forst.

Slender Vine
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Flowers [not vouchered]. © G. Sankowsky
Leaves and flowers [not vouchered]. © G. Sankowsky
Leaves and flowers [not vouchered]. © G. Sankowsky
Scale bar 10mm. © CSIRO

Forster, P.I. (1995) Australian Systematic Botany 8: 800.


A slender vine not exceeding a stem diameter of 2 cm.


Twigs and petioles produce a milky exudate. Leaf blades about 2.5-5 x 1-2 cm, petioles about 0.4-0.9 cm long. Small glands resembling tiny stipules visible on the twigs between the petiole bases. Leaf blade underside clothed in erect pale hairs.


Flowers about 3 mm diam. Sepals about 1 mm long. Corolla tube about 1.6 mm long, glabrous on both surfaces. Corolla lobes about 1 mm long, glabrous. Anthers about 0.6 mm long. Pollen aggregated in pollinia. Staminal corona not very conspicuous. Carpels about 0.9 mm long.


Follicles fusiform, about 4-5 cm long. Fide Forster (1996).


Features not available.

Distribution and Ecology

Endemic to Queensland, occurs in NEQ, CEQ and southwards to south-eastern Queensland. Altitudinal range in NEQ from 800-900 m. In NEQ grows in the drier types of rain forest associated with Agathis robusta (Kauri Pine).

Gongronema micradenia (Benth.) F.Muell., Systematic Census of Australian Plants : 94(1883). Gymnema micradenium Benth., Flora Australiensis 4: 344(1868), Type: Queensland, Ugly Creek, C. Stuart 318; lecto: MEL; iso: BRI. Fide P. I. Forster Austral. Syst. Bot. 8:800 (1995).
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