Family: Asteraceae
Calotis plumulifera
Citation:
F. Muell., J. Trans. Vic. Inst. 3:57 (1859).
Synonymy: C. multicaulis sensu G.L. Davis, Proc. Linn. Soc. N.S.W. 77:183 (1952), partly, non (Turcz.) Druce.
Common name: Woolly-headed burr-daisy.
Description:
Annual herb to 50 cm high; stems erect or ascending, branched, sparsely pubescent; radical leaves petiolate, oblanceolate, 2-4.5 cm long, soon withering; cauline leaves sessile, cuneate to oblanceolate, 1.5-5 cm long, 2-10 mm wide, narrowed at the base, dentate or lobed in the distal portion, sparsely hairy.
Capitula in loose leafy terminal cymes of 2-8, c. 1.5 cm diam.; receptacle conical, 0.8-2 mm diam., naked; involucral bracts 15-20, narrowly lanceolate, acute, 2-3.5 mm long, pubescent; ray florets 12-20, 2-seriate; ligules oblong, 3-4 mm long, white to mauve.
Achenes 1.5-2 mm long, woolly with tangled branched hairs; wings broad, upeurved, c. 1 mm long, woolly on margins; pappus of 12-18 unequal awns 0.5-2 mm long, straight, rigid, plumose with prominent retrorse barbs, dark or pallid; disk florets sterile.
Published illustration:
Cunningham et al. (1982) Plants of western New South Wales, p. 657.
Distribution:
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On silty sands and loams, mainly on floodplains and dry stream beds.
S.Aust.: NW, LE, GT, FR, EA, NL, SL. N.T.; Qld; N.S.W.
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Conservation status:
native
Flowering time: April — 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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