Perennial herb, geophyte, 0.5-1.0 m high; corm with light-brown tunics of netted fibres; stem several-branched. Leaf 1, linear, canaliculate, trailing above. Inflorescence with yellow flowers; outer tepals darkly speckled in centre; tepals unequal, outer 22-33 mm long, spreading, margins curving upwards, inner tepals 8-10 mm long, tricuspidate, with short, obliquely twisted, central cusp. Stamens: filaments 3-5 mm long, free for upper 1 mm; anthers 4-5 mm long, appressed to style branches; pollen yellow. Ovary 8-10 mm long; style branches 6 mm long; crests 3-5 mm long, narrowly triangular. Flowering time Sept.-Nov. Capsule narrowly obovoid.
Herb 50–90 cm high. Corm c. 2 cm diam., tunic fibrous. Leaf solitary, basal, lax, 60–100 cm long, up to 1 cm wide, glabrous. Stem branched, glabrous. Outer spathe 3–4 cm long, inner 5–7 cm long. Flowers yellow, speckled with brown in centre. Sepals with claws erect, c. 1 cm long, bearded; blades spreading, obtuse, 1.2–2.4 cm long, 2–3 cm wide. Petals erect, trifid, 8–10 mm long; central lobe acute, incurved; lateral lobes shorter, obtuse. Filaments 3–5 mm long, three-quarters connate; anthers 4-5 mm long, yellow. Style branches c. 6 mm long; crests narrowly triangular, 3–6 mm long. Capsule clavate, c. 1.5 cm long, erect.
Cormous geophyte, 50-100 cm, stem willowy. Leaf solitary, linear, channelled and trailing. Flowers yellow, inner tepals trifid with a short, obliquely twisted, central cusp.