Triumfetta antrorsa Halford

Scientific Description

Shrub, with hairy stems. Leaves 30-115 mm long, 10-60 mm wide, not lobed; margins dentate; hairy, with stellate hairswith scales absent, Sessile glands absent; stipules present but early deciduous (only visible on youngest leaves). Perianth clearly of two whorls (calyx and corolla), the corolla obvious and prominent. Pedicel present, 3.5-8 mm long; indumentum present, with stellate hairs present, with scales absent. Epicalyx (extra segments or 'bracteoles' immediately below the calyx) absent. Calyx 12-14 mm long, the lobes fused less than half their length, Sessile glands absent, simple hairs (without tubercle bases) absent, stellate hairs present, tubercle-based simple hairs absent, gland-tipped hairs absent, scales absent, Terminal appendages present, number of ribs absent. Corolla yellow, 7-11 mm long, glabrous. Indumentum (outside) Sessile glands absent. Stamens many, free and inserted at the base of the ovary; filaments present, 9.5-11 mm long; anthers 0.5-0.9 mm long, indumentum absent (anthers glabrous). Staminodes absent, appendages absent. Ovary hairs or scales present, simple hairs present, stellate hairs absent, gland-tipped hairs absent; style 1, with a lobed or capitate stigma, 10-11 mm long, with one style branches or lobes, mostly glabrous, wing absent. Fruits indehiscent and not splitting into sections (drupes), length-width ratio more or less as long as wide, hairs or scales present, simple hairs (without tubercle bases) present, stellate hairs absent, Sessile glands absent, tubercle-based simple hairs absent, gland-tipped hairs absent, scales absent; apex rounded; prickles absent (except perhaps a terminal awn); terminal awns or spines present; calyx persistent to mature fruit. Flowering time April, May or June. Distribution Botanical Province Northern, IBRA Bioregion Central Kimberley and Ord-Victorian-Plain.