长白山龙胆 chang bai shan long dan

Gentiana kawakamii Makino.

Perennials 10-20 cm tall, with short stolons. Stems erect, fastigiate branched from base or simple, glabrous. Leaves petiolate; leaf blade lanceolate to ovate-elliptic, 0.7-1.5 cm × 2.5-4 mm, abaxially glabrous, adaxially densely papillate, margin ± revolute, apex obtuse, midvein indistinct. Flowers 1 to few, subsessile. Calyx obconic, 8.5-10 mm, tube membranous; lobes spreading to recurved, broadly ovate, 1.5-3 mm, equal, inside densely papillate, base narrowed, apex obtuse and rounded, midvein indistinct. Corolla blue to blue-purple, broadly tubular, 2.3-3 cm; lobes oblong to ovate-elliptic, 6-7 mm, margin entire, apex obtuse to rounded; plicae broadly ovate, 2.5-3 mm, margin laciniate. Stamens inserted at middle of corolla tube, equal; filaments 5-6 mm; anthers narrowly ellipsoid, 1.5-2 mm. Style 1.5-2 mm, linear; stigma lobes oblong. Capsules narrowly obovoid, 6-9 mm; gynophore to 1.6 cm, stout. Seeds brown, ellipsoid, 0.9-1.1 mm. Fl. and fr. Jul-Sep.

Meadow slopes, roadsides, stony places; 1100-2400 m. Heilongjiang, Jilin, Liaoning [Japan, Korea, E Russia].