Sida sp. Carnarvon (P.S. Short 2492)

Scientific Description

Herb or shrub, with hairy stems. Leaves 17-65 mm long, 7-30 mm wide, not lobed; margins sinuate; hairy, with stellate hairswith scales absent, Sessile glands absent; stipules present and persistent to older leaves, 10-25 mm long. Perianth clearly of two whorls (calyx and corolla), the corolla obvious and prominent. Pedicel present, 7-10 mm long; indumentum present, with stellate hairs present, with scales absent. Epicalyx (extra segments or 'bracteoles' immediately below the calyx) absent, Sessile glands absent. Calyx green, 12-20 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, 10-13 mm long, glabrous. Indumentum (outside) Sessile glands absent. Stamens many, united and arising from a staminal tube around the style; filaments present, 2 mm long; anthers 0.8 mm long, indumentum absent (anthers glabrous). Staminodes absent, appendages absent. Ovary hairs and scales absent (ovary quite glabrous); style 1, 7-8 mm long, with five or numerous style branches or lobes, mostly glabrous, wing absent. Flowering time August or September. Distribution Botanical Province Eremaean, IBRA Bioregion Carnarvon and Gascoyne.