Woody, rounded, compact or spreading perennial shrubs, occasionally sprawling in other bushes, 25–100 cm high, 1–2 cm wide. Leaves with 1 pair of leaflets; petiole terete, 3.5–10 mm long; leaflets succulent, narrowly oblong to oblong, 6.5–20 mm long, 0.8–2.8 mm wide, continuous with petiole and not articulated at base, rounded-obtuse with tiny apiculum. Pedicel 4–8.5 mm long in flower. Sepals 4, 5.5 mm long. Petals 4, obovate, 7.5–10 mm long, longer than sepals, bright yellow drying white. Stamens 8; filaments 4.4–6.3 mm long, not winged, without appendages. Disc 4-lobed; lobes free or usually joined, semicircular, succulent, papillose on margin. Ovary 4-angled, 4-celled, glabrous apart from occasional papillae at apex; stigma minute, not lobed. Capsule 4-angled, 4-celled, 7–12 mm long, truncate at apex, sometimes obliquely so; pedicel 6–15 mm long; fruiting style 3.3–4 mm long. Seeds 1 or 2 per cell, 3.5–4.5 mm long, finely verrucose.
Rocky hills or outcrops in inland areas, rarely on plains, in cliffsor on cliff tops in coastal areas of Fleurieu Penin., S.A.
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