J. Black, Trans. R. Soc. S. Aust. 47:370 (1923).
Synonymy: P. villifera Sieber ex DC. var. australis Benth., Fl. Aust. 2:137 (1864), specimens cited by Bentham not seen by the present author.
Common name: Three-nerved bush-pea.
Diffuse shrub, to 1 m high, quite slender, villous with spreading hairs; leaves on distinct villous petioles, ovate-lanceolate to lanceolate, 8-12 mm long, rigid, acute, mucronate but not pungent-pointed, concave and glabrous above, villous beneath and on the margins, 3-nerved; stipules ovate-acute, I-2 mm long, bilobed, 2-keeled, with scarious margins, often ciliate and pubescent on the back, persistent.
Flowers c. 8 mm long, 1 or 2 terminally on short proliferous branchlets or axillary, enclosed by the stipules of the leaves, leaving the calyx teeth exposed; bracts absent; bracteoles inserted just below the calyx, usually exceeding the tube, ovate-oblong, concave, slightly 2-lobed, keeled, glabrous except for the ciliate margins; calyx 3-4 mm long, straw-coloured to reddish, glabrescent to pubescent with short white appressed hairs; teeth triangular, shorter than the tube, ciliate; standard suborbicular, c. 8 mm across, hardly notched, yellow, sometimes streaked red, suddenly contracted by 2 sinuses into the c. 2 mm long claw; wings oblong-obovate, yellow, auriculate above the c. 2 mm long claw; keel semicircular in outline, the obtuse tip red drying purple, auriculate above the c. 2 mm long claw; ovary villous as is the lower part of the style.
Pod obovate, c. 4 mm long, turgid, exceeding the calyx, brown, pubescent, usually 1-seeded; seed reniform, c. 1.5 mm long, brown, dull.
||Pultenaea trinervis twig, leaf and flower.
Image source: fig 370b in Jessop J.P. & Toelken H.R. (Ed.) 1986. Flora of South Australia (4th edn).|
S.Aust.: EP, SL, KI.
Flowering time: Sept. — Feb.
SA Distribution Map based
on current data relating to
specimens held in the
State Herbarium of South Australia
Resembles in habit and leaves P. involucrata in which the calyces are completely enclosed by scarious bracts.
Not yet available