Family: Asteraceae
Helipterum stuartianum
Citation:
Sonder & F. Muell. ex Sonder, Linnaea 25:518 (1853).
Synonymy: H. floribundurn DC. var. stuartianum (Sonder & F. Muell. ex Sonder) Benth., Fl. Aust. 3:642 (1867).
Common name: Clay sunray.
Description:
Annual herb 5-25 cm high; stems several, ascending to erect, usually simple, glabrescent, brownish; leaves alternate, linear, acute, 1-3.5 cm long, 1-2 mm wide, flat, glabrous or subglabrous, dark-green.
Capitula solitary on short peduncles not distinct from the stems, with reduced leaves; involucre hemispherical, becoming radiate, 12-15 mm long, 6-8-seriate; outer bracts sessile, lanceolate, scarious, golden-brown; inner bracts with oblong scarious stramineous slightly cobwebby claws and white lanceolate to elliptic acute to obtuse spreading laminae 5-12 mm long; receptacle conical; florets 20-50; corollas golden-yellow.
Achenes obovoid, truncate, c. 1.5 mm long, sericeo-villous; pappus bristles 8-11, dilated and very shortly connate at the base, 2-3 mm long, shortly plumose below with longer coarser hairs above, often deciduous.
Published illustration:
Cunningham et al. (1982) Plants of western New South Wales, p. 692.
Distribution:
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Mainly on clay and loam soils.
N.S.W.; Vic.
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Conservation status:
native
Flowering time: July — Oct.
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SA Distribution Map based
on current data relating to
specimens held in the
State Herbarium of South Australia
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Biology:
No text
Author:
Not yet available
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