Australian Tropical Rainforest Plants - Online edition

Parsonsia bartlensis J.B.Williams

Slender Vine
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Flowers. © CSIRO
Leaves and flowers. © CSIRO
Leaves and Flowers. © CSIRO
Fruit and leaves. © Australian Tropical Herbarium
Scale bar 10mm. © CSIRO

Williams, J.B. (1996) Flora Australia 28: 318. Type: Mt Bartle Frere, north slope of south peak, Qld, 8 June 1985, A. M. Buchanan 7032.


A slender vine not attaining a stem diameter greater than 2 cm.


Leaf blades about 3-6 x 1-2.2 cm, petioles about 0.5-0.8 cm long. Low surface of the leaf blades clothed in minute, translucent, appressed hairs at least on the midrib and lateral veins. Lateral veins about 6-7 on each side of the midrib. Petioles and twigs produce a clear exudate.


Flowers about 2.5-3.5 mm diam. at anthesis. Calyx lobes about 1.2-1.5 mm long, glabrous, finger-like glands visible near the base on the inner surface. Corolla tube about 1-2 mm long, densely hairy towards the apex, i.e. the throat. Corolla lobes +/- erect, about 3 mm long, sometimes slightly shorter that the tube, lobes hairy on the inner surface, the hairs pointing downwards. Anthers about 2 mm long, +/- sagittate at the base, ventrifixed, filaments hairy, about 1 mm long. Anthers cohering to form a cone. Nectary glands about 0.6 mm long surrounding the ovary. Ovules numerous in each locule.


Features not available.

Distribution and Ecology

Endemic to NEQ. Known only from collections made on Mt Bartle Frere, Bellenden Ker Range and the Mt Lewis area (?). Altitudinal range from 900-1600 m. Grows in mountain rain forest or thicket growing on soils derived from granite.

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