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Electronic Flora of South Australia
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Electronic Flora of South Australia species Fact Sheet

Swainsona burkei

Citation: F. Muell. ex Benth., Fl. Aust. 2:218 (1864) subsp. acuticarinata A. Lee, Contr. N.S.W. natn. Herb. 1:239 (1948).

Synonymy: Not Applicable

Common name: None

Stems firstly procumbent or immediately ascending, 15-30 cm long, 1-2.5 mm thick basally; pubescence rather dense, of soft villous spreading basifixed hairs; leaves 2-6 cm long, with 5-11 leaflets; leaflets obovate, 8-20 x 3-12 mm, faintly notched, often with a minute point, glabrous above or with a few hairs around the margins, pubescent underneath; stipules variable, deltoid or narrow-deltoid to subulate, 5-10 mm long.

Flowers 7-9 mm long, on 1.5-3 mm long pubescent pedicels, 4-8 (rarely to 15) distally in short racemes or even subumbellate on a 4-11 cm long peduncle; bract narrow-lanceolate, 2-4 mm long, villous; bracteoles lanceolate to subulate, 1.5-4 mm long; calyx 6-8 mm long, firstly villous, rather densely pubescent when mature and then chiefly along the ribs and inside; teeth usually lanceolate-acuminate, 3.5-6 mm long, longer than the tube; petals purple, or red drying purple; standard broadly ovate, slightly broader than long, with 2 upwardly diverging lines above the distally broadening c. 2 mm long claw, or sometimes without any thickenings; wings ovate-oblong or obovate-oblong, slightly geniculate towards the base, with a broadly rounded tip, auriculate over the claw; keel semicircular in outline, with an acute almost rostellate tip, in pressed specimens sometimes turned sideways, without pouches or with only slight indentations; ovary subsessile, fusiform, densely and loosely appressed-villous; style slender, slightly flattened laterally, bearded in all its length but most densely inside the hooked or almost coiled tip.

Pod ovoid-oblong, 10-20 x 4-5 mm, valves thick, suture deeply impressed, woolly-villous, to 20-seeded; seed reniform, c. 2.5 mm long, light-brown, smooth.

Distribution:    N.T.

Conservation status: native

Flowering time: apparently after good rains all the year round.

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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