Australian Tropical Rainforest Plants - Online edition

Marsdenia paludicola P.I.Forst.

Slender Vine
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Scale bar 10mm. © CSIRO

Forster, P.I. (1995) Australian Systematic Botany 8(5): 734. Type: Queensland. Cultivated plant originally from Maloneys Springs, Dec. 1991, D. J. Liddle; holo: BRI; iso: QRS.


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


Twigs and petioles produce a milky exudate. Leaf blades about 5.5-8.5 x 3-4.5 cm, sometimes much larger. Petioles about 1.5-2.5 cm long. About 10-13 colleters (small finger-like glands) present on the upper surface of the midrib near its junction with the petiole. Twigs, petioles and the underside of the leaf blades densely clothed in hairs. Small glands resembling tiny stipules present on the twigs between the petiole bases. A small dark gland usually visible at the apex of the leaf blade.


Inflorescence a condensed raceme. Flowers about 10-15 mm diam., pedicels up to 8-9 mm long. Sepals about 6 mm long, outer surface clothed in erect hairs. Corolla tube about 5 mm long, lobes about 6 mm long. Staminal corona consists of 5 triangular lobes each about 3 mm long. 'Stigma' conical, about 4-5 mm long, shortly 2-lobed at the apex. Pollen aggregated in pollinia.


Fruits large, about 17 x 6 cm. Seeds numerous about 10 mm long, plumes about 35 mm long. Cotyledons about 5 mm long, radicle about 2 mm long.


Features not available.

Distribution and Ecology

Endemic to CYP. Altitudinal range not known with any certainty because of the small number of collections but probably extending from near sea level to about 200 m (?) Grows in or near swampy rain forest.

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