弯叶龙胆 wan ye long dan

Annuals 3-7 cm tall. Stems ascending, branched from base or rarely basally simple and branched from middle, densely papillate. Basal leaves poorly developed, withered at anthesis; petiole 1-1.5 mm, densely papillate; leaf blade narrowly triangular to ovate-lanceolate, 4-6 × 1.5-2.5 mm, base narrowed, margin thick cartilaginous and smooth, apex deltate acute and cuspidate, midvein prominent. Stem leaves usually widely spaced, recurved; petiole tube 0.5-1 mm, membranous with 3 green herbaceous veins, papillate; leaf blade spatulate, 3-4 × 1.5-2 mm, usually shorter than internodes, base rounded, margin thick cartilaginous and smooth, apex acute and apiculate, midvein prominent. Flowers subsessile. Calyx obconic, 4.5-6 mm; tube membranous, with 15 green veins; lobes recurved, ovate-deltate, 1.4-1.6 mm, herbaceous, base distinctly narrowed, margin thick cartilaginous and smooth or ciliolate, apex deltate acute and cuspidate, midvein prominent. Corolla blue to blue-purple, with pale yellow-green base, tubular to salverform, 1-1.2 cm, 4-6 mm in diam. at throat, inside minutely papillate; lobes ovate, 2-2.5 mm, margin entire, apex obtuse; plicae ovate, 1-1.5 mm, slightly asymmetric, margin entire, apex obtuse. Stamens inserted at middle of corolla tube, equal; filaments 2.5-3 mm; anthers narrowly ellipsoid, 0.7-1 mm. Style 2-2.5 mm; stigma lobes narrowly oblong. Capsules narrowly obovoid, 3.5-4.5 mm; gynophore to 8 mm. Seeds dark brown, triquetrous, 1-1.2 mm. Fl. and fr. Jun-Aug.

* Grassland slopes, clearings in forests; 2800-4300 m. W Sichuan, Yunnan.