Family: Asteraceae
Helipterum uniflorum
Citation:
J. Black, Trans. R. Soc. S. Aust. 41:651 (1917).
Synonymy: Not Applicable Common name: Woolly sunray.
Description:
Annual herb 2-30 cm high; stems numerous, ascending, branched, cobwebby, ultimately dark-brown; leaves opposite to alternate, linear, acute, 4-15 mm long, 0.7-1.5 mm wide, cobwebby to grey-woolly, 1-veined, flat with straight recurved margins.
Capitula more or less sessile in terminal and axillary rounded clusters forming leafy panicles; involucre narrow-ovoid, 3-4 mm long, 3-4-seriate, white-woolly; outer bracts elliptic, acute, scarious-hyaline, with a green midrib, densely woolly; inner bracts similar, longer, narrow-oblanceolate, with obtuse glabrous apices; receptacle minute; floret solitary (rarely 2).
Achenes fusiform, 1.5-2 mm long, sparsely pubescent with hooked hairs, brown, enveloped in the loose wool of the bracts; pappus bristles 8-14, free, c. 1 mm long, weak, plumose below to barbellate above, persistent.
Distribution:
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On dunes, gibber plains, floodplains and watercourses.
W.Aust.; N.T.; Qld; N.S.W.
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Conservation status:
native
Flowering time: mainly May — 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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