Family: Asteraceae
Cotula australis
Citation:
Hook. f., Fl. Nov. Zel. 1:128 (1853).
Synonymy: Anacyclus australis Sieber ex Sprengel, Syst. Veg. 3:497 (1826).
Common name: Common cotula.
Description:
Annual or perennial herb to 12 cm high; stems prostrate to ascending, weak, rooting at nodes, branched, villous; leaves obovate to oblanceolate, attenuate at the base, pinnatisect to bipinnatisect, the segments deeply 3-7-lobed, 1-3 cm long, sparsely or densely villous with long fine hairs.
Peduncles erect, filiform, to 8 cm long, exceeding the leaves; capitula heterogamous, 4-5 mm diam.; involucral bracts numerous, oblong to lanceolate, subglabrous; receptacle flat; female florets 3- or 4-seriate, pedicellate, without corollas.
Achenes flat, oblong, 1-1.5 mm long, glandular, with a thickened narrow wing; inner florets 15-25, fertile, hardly pedicellate; corollas short, pale-yellow or cream; achenes plano-convex, oblong, c. 1 mm long, smooth, wingless.
Published illustration:
Cunningham et al. (1982) Plants of western New South Wales, p. 670.
Distribution:
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Mainly in open grassy vegetation near water, often on roadsides; a weed in lawns and gardens.
S.Aust.: FR, EP, NL, MU, YP, SL, KI, SE. All States except N.T. New Zealand; naturalised in Europe and South Africa.
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Conservation status:
native
Flowering time: July — Nov.
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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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