瓦山龙胆 wa shang long dan

Perennials 10-25 cm tall. Rhizomes to 10 cm. Stems 1 or 2, erect, simple, glabrous. Basal leaves in 2 or 3 erect rosettes; petiole 1.5-2.5 cm, membranous; leaf blade linear-lanceolate to linear-elliptic, 3-7 × 0.7-1.5 cm, base narrowed, apex acuminate to obtuse, veins 1-3. Stem leaves 2 or 3 pairs; petiole 0.7-2 cm, shorter to absent toward apex; leaf blade linear-lanceolate to oblanceolate, 2-3 cm × 3-11 mm, base narrowed, apex acuminate to obtuse, vein 1. Inflorescences terminal clusters, sometimes also in few-flowered axillary whorls. Flowers sessile. Calyx narrowly obconic, 7.5-9 mm, tube entire or rarely split on 1 side; lobes erect, subulate, 1-1.5 mm, subequal. Corolla pale blue, unspotted, narrowly funnelform, 2.3-2.8 cm; lobes ovate, 3-3.5 mm, apex obtuse; plicae obliquely truncate, margin erose. Stamens inserted at basal part of corolla tube; filaments 1-1.2 cm; anthers narrowly ellipsoid, 3-4 mm. Style 1-2 mm; stigma lobes semi-orbicular. Capsules ovoid-ellipsoid, 9-10 mm; gynophore to 1.5 cm. Seeds light brown, ellipsoid, 1.2-1.5 mm. Fl. and fr. Jul-Sep.

* Hillsides; 2900-3600 m. N Sichuan