Rootstock small, surrounded by old leaf bases; roots tuberous; tubers ±cylindrical, c. 4-5 cm long, c. 15-18 cm from stock. Leaves annual, c. 4-6, channelled, ridged, 20-30 cm long, scabrous with short teeth. Inflorescence paniculate, 35-40 cm long; scape ridged, shortly hairy below, glabrous above; umbels 4-8-flowered; pedicels 10-12 mm long, articulated near base, nodding in fruit. Perianth segments 7.5-11 mm long. Sepals linear, c. 3 mm wide, mucronate. Petals elliptic, c. 8 mm wide; fimbriae c. 3 mm long. Stamens 6; anthers c. 3-4 mm long, inner whorl slightly longer. Style 4.5 mm long. Seeds ±spherical, c. 1-1.5 mm diam.; aril pale straw-coloured.