Merr., Phillipp. J. Sci.(Bot.) 19:335 (1921).
Synonymy: Galega colutea Burman f., Fl. Ind. 172 (1768); I. viscosa sensu J. Black, Fl. S. Aust. 462 (1948), non Lam.
Common name: Sticky (or rusty) indigo.
Erect or spreading herbaceous annual or short-lived perennial; branches to 50 cm long, pubescent, hairs 2-branched and also multicellular, glandular-tipped; leaves 3-5 cm long; leaflets 9-15, ovate to oblong, 5-10 x 2-4 mm, mucronate, appressed-pilose on both surfaces with mostly 2-branched and fewer glandular hairs; stipules subulate-acuminate, c. 2 mm long, green, pubescent.
Inflorescence slender, axillary, a pedunculate raceme, 10-40 mm long, few-flowered; bract subulate, c. 1 mm long, pubescent, caducous; flowers 5-6 mm long; calyx at first campanulate, later widely open, 1.5-2.5 mm long, pubescent outside; teeth lanceolate-subulate, longer than the tube; petals pink; standard obovate-spathulate, recurved, keel and wings hardly protruding from the calyx.
Pod linear-terete, 15-25 x 2-3 mm, pubescent with mostly glandular hairs, brown, several-seeded; seed short-cylindric, 1-1.5 mm long, yellowish.
Image source: fig. 307B in J.P. Jessop and H.R. Toelken Ed. 1986. Flora of South Australia (4th edn).|
Cunningham et al. (1982) Plants of western New South Wales, p. 397.
S.Aust.: NW, LE, FR. W.Aust.; N.T.; Qld; N.S.W.;. Africa, southern Asia, New Guinea.
Flowering time: May — Nov.
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