Oxalis involuta T.M.Salter

Small, slender, with a short stem, entirely glabrous. Bulb ovoid, attenuate or beaked at the apex, about 7 mm long, irregularly angled, with brown tubercled tunics. Stem 0.5-2.5 cm long, with 1-2 scales towards the base. Leaves 3-8, apically congested, very rarely arising from a cauline scale, with petioles 3-8 mm long; leaflets 3, sessile, narrow-linear ,incurved-ascending, distinctly involute, as though cylindrical, very rarely conduplicate, up to 1 cm long, 0.2-0.3 mm wide or 0.6 mm when flattened, emarginate, with the lobules slightly divergent. Peduncles 1-fld., apical, much longer than the leaves, up to 5 cm long, with 2 small alternate bracts near the calyx. Sepals lanceolate, slightly attenuate, 3-4 mm long, reddish, with 2 inconspicuous elongate apical calli. Corolla 1.5-2 cm long, bright yellow, with a broadly funnel-shaped concolorous tube; petals cuneate, slightly attenuate to the base, rounded at the apex, 7-9 mm broad. Filaments, the shorter 2.5-4 mm, the longer 3.5-7 mm long, glandular-pilose, shortly toothed. Ovary oblong, pubescent on the upper half, the chambers 3-4 ovuled; styles pubescent below, glandular-pilose above.