Australian Tropical Rainforest Plants - Online edition

Wetria australiensis P.I.Forst.

Shrub (woody or herbaceous, 1-6 m tall)
Click/tap on images to enlarge
Female flower. CC-BY J.L. Dowe
Female flowers [not vouchered]. © G. Sankowsky
Inflorescences [not vouchered]. © G. Sankowsky
Leaves and inflorescences [not vouchered]. © G. Sankowsky
Leaves. CC-BY J.L. Dowe
Scale bar 10mm. © CSIRO
Trunk. CC-BY J.L. Dowe
10th leaf stage. © CSIRO

Forster, P.I. (1994) Austrobaileya 4: 141. Type: Queensland. Cook District: Cairns, Currunda Creek, 15 December 1991, C. Lyons 105 (holo: BRI).


Usually grows into a small tree but also flowers and fruits as a shrub.


Leaf blades about 10-20 x 4-8 cm, petioles 0.4-1 cm long. Lateral veins about 11-17 on each side of the midrib. Stipules linear-lanceolate, about 1.1 x 0.2 cm.


Male flowers: Inflorescence up to 15 cm long, a spike of clusters, each cluster consisting of 2-3 flowers. Tepals ovate, about 2 x 2 mm. Stamens about 24. Filaments free, glabrous, about 0.5-2 mm long. Anthers globose, about 1 x 1 mm. Female flowers: Inflorescence up to 30 cm long, flowers about 4.5 mm diam. on pedicels 2-3.5 mm long. Tepals about 2-4 x 0.5-1 mm. Ovary globular, about 1 mm diam., densely hairy, styles three, each about 3 mm long, bifid for 1.5 mm at the apex.


Fruits hairy, three-lobed, about 5-6 x 9-10 mm, perianth (tepals) persistent at the base and style remnants at the apex. Pedicels about 6-7 mm long. Seeds about 4-5 mm diam., testa smooth.


Cotyledons stage and first leaf stage features not available. At the tenth leaf stage: leaf blade obovate, margin crenate, petiole quite short but rather thick. Stipules triangular, about 5-6 x 1.5-2 mm, hairy.

Distribution and Ecology

Occurs in NEQ. Known only from a few collections made in the Cairns region but also occurs in New Guinea. Altitudinal range not known but thought to be small, from near sea level to 100 m. Grows as an understory plant in seasonal lowland rain forest.

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