Sida phaeotricha F.Muell.

Scientific Description

Herb or shrub, with hairy stems. Leaves 15-25 mm long, 5-10 mm wide, not lobed; margins entire or serrate; 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, 8-10 mm long; indumentum present, with absent, with stellate hairs present, with gland tipped hairs absent, with scales absent. Epicalyx (extra segments or 'bracteoles' immediately below the calyx) absent. Calyx green, 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, 8.5 mm long, hairs or scales present, simple hairs (without tubercle bases) absent, stellate hairs present, tubercle-based simple hairs absent, gland-tipped hairs absent, scales absent. Indumentum (outside) Sessile glands absent. Stamens many, united and arising from a staminal tube around the style; filaments present, 1 mm long; anthers 0.7 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, 4.7 mm long, with four or numerous style branches or lobes, mostly glabrous, wing absent. Fruits indehiscent and splitting into sections (schizocarps), mericarps wrinkled. Flowering time July or August. Distribution Botanical Province Eremaean, IBRA Bioregion Central Ranges, Yalgoo, Murchison and Great Victorian Desert.