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Herbarium specimen. Copyright DERM
Desmodium trichostachyum Benth.
Bentham, G. (1864) Flora Australiensis 2: 234. Type: N. Australia. Islands of the Gulf of Carpentaria, R. Brown; Arnhems Land, F. Mueller; Port Essington, Armstrong. Queensland. Endeavour river, Banks and Solander; E. coast, A. Cunningham.
Meibomia trichostachya (Benth.) Kuntze, Revisio Generum Plantarum 1: 198(1891), Type: ?.
Leaves 1-3-foliolate; stipules ovate to deltoid, 2.5-4 x 1-1.5 mm long, with parallel veins; petiole 3-12 mm long, with a patch of dense hairs at the top part; rachis 1-4 mm long; leaflets orbicular to broadly oblong, truncate or retuse at the apex, glabrous, sometimes with hairs on abaxial surface; 1-foliolate leaflet 8-20 x 9-20 mm; when 3-foliolate terminal leaflet 5-15 x 6-16 mm, lateral leaflets smaller; stipels 0.2-1 mm long
Inflorescence terminal and very open, up to 25 cm long, flowers single subtending by an ovate acuminate bract 1-2 mm long, secondary barcats and bracteoles absent; pedicels slender, 2-6 mm long, doubling in length in fruit. Flowers with calyx 1.4-2.1 mm, pubescent with long white hairs at upper half of lobes; tube 0.5-0.7 mm long, upper lobe 0.8-1.4 mm long, incised to about the middle, other lobes shorter or about equal in length, 0.6-1.3 mm long; corolla purplish; standard obovate, obtuse or retuse at apex, 2.5-3.3 x 2-2.5 mm, wings broad oblong with shrt claw, 1.8-2.5 x 0.7-1.2 mm, keel petals ca. longer and narrower than wings, 2.2-2.9 x 0.7-1 mm, tapered to base.
Features not available.
Distribution and Ecology
Occurs in WA, NT, CYP and NEQ. Altitudinal range from near sea level up to 600 m. Grows in moist to waterlogged areas in Eucalypt forest, vine thicket, various types of woodland and in wooded grassland. Also occurs in southern New Guinea.
Herb (herbaceous or woody, under 1 m tall)