Trans. & Proc. Victorian Inst. Advancem. Sci. 1: 29 (1855)
Erect or ascending annual herb or perennial subshrub to c. 20 cm high; stems stout, often forming a mat up to 2 m diam. Leaves 15–50 mm long, glaucous or green; leaflets articulate at base, oblique-obovate, 10–40 mm long, 3–22 mm wide, fleshy, apex rounded; common petiole narrow. Sepals 4, ovate-lanceolate, 5–8 mm long, spreading in fruit; petals 4, obovate, 8–15 mm long, apex truncate to emarginate, bright yellow; stamens 8, filaments broadly winged in lower half, wings fringed at apex. Fruiting pedicels 5–8 mm long; fruit a 4-angled loculicidal capsule, ovoid-oblong to obovoid-oblong, 14–20 mm long, drooping, rounded at apex or rarely rather truncate, with a short apical point; seeds 3–5 per cell. Flowers May–Dec.
CVU, LoM, MuF, MuM, MSB, OtP, RobP, VRiv, VVP, Wim. All mainland states, ?Tas. Apart from a few isolated sites near Melbourne (Long Forest near Bacchus Marsh, Jacksons Creek between Diggers Rest and Keilor), confined in Victoria to the north-west where widespread and sometimes locally common. Grows predominantly in mallee, often on gypseous sands. .
Specimens with more or less campanulate fruit with tapering sides and obliquely truncate apices have been collected in Victoria. These plants may require recognition at some taxonomic level.
|Bioregion||Occurrence status||Establishment means|
|Victorian Volcanic Plain||present||native|
|Murray Scroll Belt||present||native|
|Central Victorian Uplands||present||native|
|New South Wales|