glabrous or somewhat hairy; bulb ovate, with hard, black scales; stem erect, with a few scales, or 1–2 leaves, many-leaved at the summit; leaflets linear-cuneate, channelled above, emarginate, bicallous; peduncles bibracteolate at the top, longer than the leaves; sepals lanceolate, acute; limb of the petals white or yellowish, with a red border. Stem 2–6 inches, simple or branched, solitary, or many from aggregated bulbs. Petioles 1–2 inches long, glabrous or pilose. Leaflets channelled, often subrecurved, 6 lines long, 1/2–1 1/2 line wide, glabrous, paler and delicately punctulate above, acutely emarginate, pilose or glabrous beneath, below the apex marked with orange calli. Peduncles glabrous or minutely and sparsely pilose, erect or spreading, thicker than the petioles. Sepals 2 lines long, with or without orange calli. Corolla 4 times longer than the downy calyx, the claw equalling the red-bordered limb. Styles pilose. Capsule 5-angled, inclosed in the calyx. Var. γ. looks very like O. gracilis, Jacq., which has a very different corolla and bulb.