Herissantia crispa (L.) Brizicky

Scientific Description

Herb, with hairy stems. Leaves 15-50 mm long, 13-1325 mm wide, not lobed; margins crenate or 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, 9-13 mm long; indumentum present, with stellate hairs present, with scales absent. Epicalyx (extra segments or 'bracteoles' immediately below the calyx) absent. Calyx green, 4-5 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, 5-7 mm long, glabrous. Indumentum (outside) Sessile glands absent. Stamens many, united and arising from a staminal tube around the style; filaments present, 0.8-1.5 mm long; anthers 0.5-0.8 mm long, indumentum absent (anthers glabrous). Staminodes absent, appendages absent. Ovary hairs and scales absent (ovary quite glabrous); style 1, 1.8-2.4 mm long, with four or numerous style branches or lobes, mostly glabrous, wing absent. Flowering time March, April, May, June or August. Distribution Botanical Province Northern, IBRA Bioregion Victoria Bonaparte and Dampierland.