Family: Fabaceae
Crotalaria smithiana
Citation:
A. Lee, Telopea 1:344 (1978).
Synonymy: C. mitchellii sensu J. Black, Fl. S. Aust. 306 (1924) & 448 (1948), non Benth.; C. mitchellii Benth. var. tomentosa Ewart, Proc. R. Soc. Vict. 19:37 (1907).
Common name: Yellow rattlepod.
Description:
A soft-wooded subshrub with a strong tap root, at first an erect stem, later several procumbent or ascending branches to 0.5 m long, grey or bluish-green with a spreading retrorse pilose indumentum; petiole articulate, 1.5-6 mm long; leaflet elliptic to obovate, often broad, 10-50 x 6-30 mm, densely tomentose on both sides; stipules narrow-triangular, acuminate, c. 1 mm long, pubescent; inflorescence ascending or erect, terminal on the branches, 3-14 cm long, several- to many- to 40-flowered, somewhat crowded.
Flowers 4-10 mm long, yellow, often reddish at the centre; bracts narrow-triangular, c. 2 mm long, densely tomentose; bracteoles absent; calyx campanulate, more or less symmetrical, sparsely clothed with stiff spreading hairs, calyx teeth triangular, equalling the calyx tube; standard suborbicular, 5-7 x 6-7 mm; wings oblong, with a very small auricle; keel shortly beaked and slightly spirally twisted at the apex, 6-8 mm long, largest; ovary mostly glabrous, commonly 4-ovulate.
Pod stipitate, obovate-oblong in outline, 10-20 x 5-9 mm; seed oblique-cordiform, 3.5-4.5 x 2.5-4 mm, light-brown to slightly reddish.
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Image source: fig 380f in Jessop J.P. & Toelken H.R. (Ed.) 1986. Flora of South Australia (4th edn).
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Distribution:
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S.Aust.: LE. N.T.; Qld; N.S.W.
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Conservation status:
native
Flowering time: May — 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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