Sida sp. Supplejack Station (T.S. Henshall 2345)

Scientific Description

Herb or shrub, with hairy stems. Leaves 10-40 mm long, 6-20 mm wide, not lobed; margins entire or sinuate; hairy, with stellate hairswith scales absent, Sessile glands absent; stipules present and persistent to older leaves, 6 mm long. Perianth clearly of two whorls (calyx and corolla), the corolla obvious and prominent. Pedicel present, 10-30 mm long; indumentum present, with stellate hairs present, with scales absent. Epicalyx (extra segments or 'bracteoles' immediately below the calyx) absent. Calyx green, 5-7 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 absent, number of ribs absent. Corolla yellow, 6 mm long, glabrous. Indumentum (outside) Sessile glands absent. Stamens many, united and arising from a staminal tube around the style; filaments present, 1 mm long; anthers 0.6 mm long, indumentum absent (anthers glabrous). Staminodes absent, appendages absent. Ovary hairs or scales present, simple hairs absent, stellate hairs present, gland-tipped hairs absent; style 1, 3 mm long, with five or numerous style branches or lobes, mostly glabrous, wing absent. Distribution Botanical Province Eremaean, IBRA Bioregion Pilbara and Gibson Desert.