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Electronic Flora of South Australia species Fact Sheet

Waitzia acuminata

Citation: Steetz in Lehm., Pl. Preiss. 1:453 (1845).

Synonymy: W. corymbosa sensu Benth., Fl. Aust. 3:635 (1867), non Wendl.

Common name: Orange immortelle.

Description:
Annual herb to 50 cm high; stems erect to ascending, numerous from the base, unbranched, brown, pubescent; basal leaves narrowly oblanceolate to elliptic, subacute, to 11 cm long, often absent at flowering; cauline leaves narrowly lanceolate to linear, subamplexicaul, acute, 2-7 cm long, 2-5 mm wide, sparsely cobwebby to pubescent, with recurved margins.

Capitula 2-9 in loose corymbs, on pedicels 2-7 cm long with reduced leaves, ovoid to campanulate, 1.5-2 cm diam., reddish-orange to golden-yellow; involucral bracts lanceolate, acuminate, ciliolate, on prominent hairy claws, loosely arranged on the elongated axis, becoming reflexed.

Achenes fusiform, c. 1.5 mm long, slightly papillose, brown, with a pallid beak 3-4 mm long; pappus bristles 15-20, 5-8 mm long, finely barbellate, white.

Published illustration: Cunningham et al. (1982) Plants of western New South Wales, p. 697.

Distribution:  In mulga and mallee, usually on red sand dunes.

  W.Aust.; N.T.; N.S.W.; Vic.

Conservation status: native

Flowering time: July — Oct.


SA Distribution Map based
on current data relating to
specimens held in the
State Herbarium of South Australia

Biology: No text

Author: Not yet available


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