Duma horrida (H.Gross) T.M.Schust. APNI* Synonyms: Muehlenbeckia horrida H.Gross APNI*
Description: Depauperate erect low shrub, ± intricate, 30–50 cm high, ± spiny, older stems with pale grey to dull brown, corky bark, rhizomatous.
Leaves crowded on very short lateral branches, eventually shed, linear, 1–5 cm long, ≤ 2 mm wide, apex acute, margins recurved to revolute, papery, sessile.
Flower clusters at separated nodes, flowers subsessile, usually 3–5 per cluster. Perianth in female flowers divided for a third to half of its length, strongly thickened and angular in fruiting stage, in males divided for slightly more than half its length. Anthers 0.8–1.3 mm long.
Achene trigonous, 2.0–2.5 mm long, smooth, brown.
Distribution and occurrence: Inland NSW; also Victoria, South Australia and Western Australia. Typically in silt in and beside dry inland lakes.
NSW subdivisions: NWP, SWP, SFWP
Other Australian states: Vic. W.A. S.A.
Only subsp. horrida occurs in NSW.
Text by K.L. Wilson (1990; updated Sept 2006; Aug 2012) Taxon concept: Flora of NSW 1 (1990) as Muehlenbeckia horrida
N.S.W. occurrences are: subsp. horrida |
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