钻萼龙胆 zhuan e long dan

Perennial 12-20 cm tall. Rhizomes short. Stems erect. Leaves mostly basal; petiole 0.5-2 cm; leaf blade narrowly elliptic to oblong, rarely oblong-spatulate, 1.5-3.5 cm × 5-9 mm, base attenuate, apex obtuse to subrounded, veins 3 and abaxially distinct. Stem leaves 1 or 2 pairs, similar to basal leaves, sessile or short petiolate; leaf blade 2-3.5 × ca. 1.2 cm. Inflorescences terminal subcapitate clusters. Flowers numerous. Calyx tubular, ca. 1 cm, often split on 1 side; lobes spreading to recurved, subulate, 1-2 mm. Corolla dark blue, unspotted, tubular, 2.3-2.5 cm; lobes ovate, 1.5-2 mm, apex obtuse; plicae short, truncate, margin entire or denticulate. Stamens inserted at basal part of corolla tube; filaments subulate, ca. 9 mm; anthers linear, ca. 1.5 mm. Gynophore present; style short; stigma linear.

* Alpine meadows; ca. 4800 m. SE Xizang