Sida spodochroma F.Muell.

Scientific Description

Herb or shrub, with hairy stems. Leaves 7-40 mm long, 5-18 mm wide, not lobed; margins serrate; hairy, with stellate hairswith scales absent, Sessile glands absent; stipules present and persistent to older leaves. Perianth clearly of two whorls (calyx and corolla), the corolla obvious and prominent. Pedicel present, 7-15 mm long; indumentum present, with absent, with stellate hairs present, with scales absent. Epicalyx (extra segments or 'bracteoles' immediately below the calyx) absent. Calyx green, 6-10 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 or orange, 3.2 mm long, glabrous, scales absent. Stamens many, united and arising from a staminal tube around the style; filaments present, 0.5-0.6 mm long; anthers 0.4-0.6 mm long, indumentum absent (anthers glabrous). Staminodes absent, appendages absent. Ovary hairs and scales absent (ovary quite glabrous); style 1, 2.3-2.5 mm long, with five or numerous style branches or lobes, mostly glabrous, wing absent. Fruits indehiscent and splitting into sections (schizocarps), mericarps wrinkled. Flowering time September or October. Distribution Botanical Province Eremaean or South-West, IBRA Bioregion Murchison, Great Victorian Desert, Coolgardie, Nullarbor, Hamton and Avon Wheatbelt.