Ewart & Kerr, Proc. R. Soc. Vic. 39:3 (1927).
Synonymy: I. brevidens Benth. var. uncinata Benth., Fl. Aust. 2:201 (1864).
Common name: None
A slender attenuated shrub of almost tree-like habit, 1-2.5 m high; branches reddish, flexuose, with white appressed hairs; leaves 2-5 cm long; leaflets 5-9 usually 7, distinctly petiolulate, obovate-lanceolate or elliptic, 7-12 x 4-6 mm, obtuse or slightly truncate, mucronate, paler beneath, with white appressed hairs, often with a distinct central vein, glabrous and greenish above, more or less conduplicate; stipules narrow-triangular, to 5 mm long, leathery, quite glabrous, often recurved and forming small pointed thorns; stipels lanceolate-subulate, to 1.5 mm long or reduced to a bunch of short subulate reddish glabrous glands.
Inflorescence a shortly pedunculate raceme, 2-3 cm long, shorter or longer than the leaves, at first condensed, later loose, several- to 12- or more-flowered; flowers on pedicels 1.5-2.5 mm long, at first upright, later pendulous; bract lanceolate-subulate, 1.5-2.5 mm, brown, leathery, pubescent, often ciliate, caducous, encircled by reddish subulate glands at the base; calyx campanulate, the base slightly truncate, 2-3 mm long, after anthesis open and oblique on top with 5 unequal teeth, pubescent with white and/or rufous appressed hairs, the short upper lip with a wide sinus ending in 2 narrow-triangular to subulate teeth; the lower lip larger, with 3 longer triangular-lanceolate teeth, the lowest the largest, longer than the tube; petals a dark purplish-red, caducous; standard orbicular, 4-5 mm long, pubescent on the back, longest; wings and keel obtuse, subequal.
Pod cylindric, 2-2.5 mm x c. 3 mm, reddish-brown, with distinct sutures, with appressed strigose hairs but appearing glabrous, 4-10-seeded; seeds cuboid, c. 2 mm, green-brown with dark spots.
Image source: fig. 310A in J.P. Jessop and H.R. Toelken Ed. 1986. Flora of South Australia (4th edn).|
usually on (higher) hillsides.
W.Aust.; N.T.; Qld; N.S.W.;.
Flowering time: Aug. — Nov., rarely in summer.
SA Distribution Map based
on current data relating to
specimens held in the
State Herbarium of South Australia
Shows similarities with I. australis but differs in having flexuose branches, leaves and inflorescence of similar length and all 5 calyx teeth always present.
Not yet available