Australian Tropical Rainforest Plants - Online edition

Mitrasacme oasena Dunlop

Herb (herbaceous or woody, under 1 m tall)
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Habit, Flowers. © CSIRO
Herbarium specimen. © DERM

Dunlop, C.R. in Orchard, A.E. (1996) Flora of Australia 28: 35, 308. Type: Spring Creek Gorge, Carnarvon Range, Qld, 26 Oct. 1933, C.T.White 9444; holo: BRI.


Small erect branching herb 10-30 cm tall. Stems clothed in erect white or pale hairs in the leafy part and glabrous in the lower bracteate part. Stipules a connate sheath, pilose.


Leaf blades 4.5-13 x 2-5 mm with stiff erect hairs on the upper surface and along the midrib on the lower surface.


Inflorescences in few-flowerewd umbellate clusters, 10-18 mm long. Flowers ca. 7 mm diam. On pedicels up to 40 mm long; Sepals green, ca. 3 mm long, fused for about half their length, campanulate, tube 1.5-2.2 mm long; lobes triangular, 1-2 mm long, with short stiff hairs at the apex. Corolla white except for the 2-4 mm green tube, throat clothed in short stiff hairs, lobes strongly obtuse, 1.2-5 mm long, inner surface of the tube clothed in globose, pale glands. Stamens ca. 1 mm long. Styles fused for most of their length.


Capsule obovoid to globular, 2-3 mm long, fruiting style ca. 1 mm long. Seed flattened off on one side, testa glossy and obscurely pitted, honey brown.


Features not available.

Distribution and Ecology

Occurs in NEQ, CEQ and southwards to coastal central Queensland. Altitudinal range from 380-1520 m. Grows in open areas in rainforest, Eucalypt forest, Eucalypt woodland, moss-fern thicket, heathland and grassland.

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