Stems absent or 1-4 cm long and with aerial roots. Leaves linear, 10-25 cm long, 1-4 mm wide, green, with numerous closely-spaced ciliolate marginal bristles 0.5-2 mm long and rarely more than 3 mm apart. Inflorescence usually of less than 10 flowers, on a once-or twice-divided scape 5-15 cm long, shorter than leaves; pedicels 3-6 mm long. Perianth 8-15 mm long, yellow, shortly tomentose outside, glabrous within; lobes 6-10 mm long. Stamens uniseriate; filaments 0.3-1 mm long; anthers 4-6 mm long. Style 5-8 mm long; stigma ±level with top of anthers. Ovules few, reflexed from the underside of placenta.