Corms subglobose to oblong, 0.7-3.5 cm × 5-20 mm. Leaves 3-50; petiole 0.3-1.5 mm wide, to 1/3 as wide as blade; blade green, oblanceolate or clavate-oblanceolate, 1-6 cm × 2-8 mm, 1-4 mm thick, base 1-4 mm wide, apex subacute to rounded, surfaces sometimes ± glaucous. Inflorescences: cincinni 3-10-flowered, 1-6 cm; floral shoots 3-12 cm × 0.5-2 mm; leaves 8-25, ascending, blade triangular-ovate to -lanceolate, 0.5-2.5 cm × 3-10 mm, 2-4 mm thick, apex rounded to subacute or obtuse. Flowers with musky, sweet odor; petals connate to 1 mm, widely spreading from near middle, white, ± yellowish green at base, red-lineolate on keel, drying purplish, elliptic, 6-10[-12] × 2-3.5[-5] mm, apex acute, corolla 8-20 mm diam.; pistils separate, ascending; ovary 3-4.5 mm; styles 1-1.5 mm. Follicles widespreading, with adaxial margins nearly horizontal.