Perennial herb, 0.5-0.7 m high. Stems glabrous, purplish black when dry. Leaves basally with blade elliptic, up to 50 x 24 mm, decurrent, base attenuate, apex acute, pubescent on upper surface, lower surface glabrous except for some setae near apex and along main. Calyx 3-nerved. Corolla ± 3 mm long, blue. Flowering time Oct.-Mar.