无尾尖龙胆 wu wei jian long dan

Perennials 4-10 cm tall. Stems ascending, simple, papillate. Basal rosette leaves absent or poorly developed; leaf blade triangular, 3-7 × 1-1.5 mm, membranous, apex acute. Stem leaves in whorls of 4(-6), larger and more crowded toward apex, uppermost surrounding calyx; leaf blade base connate for 2-3 mm, margin scabrous-ciliate, midvein abaxially distinct. Lower stem leaves withered at anthesis, ovate, 2-3 × 1.5-2 mm, apex acute; middle to upper leaves linear to linear-lanceolate, 5-10 × 1.5-2 mm, apex acuminate. Flowers terminal, solitary, sessile, 5(-8)-merous. Calyx tube obconic, 6-8 mm, membranous; lobes linear, 8-10 mm, herbaceous, margin scabrous-ciliate, apex acuminate, midvein distinct. Corolla pale blue-gray, with dark blue stripes, usually closed, tubular, 3-3.5 cm; lobes triangular, 4.5-5.5 mm, margin denticulate, apex acute and not caudate; plicae broadly triangular, 1-2 mm, margin entire or denticulate, apex obtuse. Stamens inserted just below middle of corolla tube; filaments 6-8 mm; anthers ellipsoid, 2-2.5 mm. Style 4-5 mm; stigma lobes triangular. Capsules ellipsoid, 1-1.2 cm; gynophore to 1.2 cm. Seeds dark brown, ellipsoid, 1-1.2 mm. Fl. and fr. Oct.

* Meadow slopes; 3000-4500 m. SE Xizang, NW Yunnan.