林芝龙胆 lin zhi long dan

Annuals 2-3 cm tall. Stems ascending, much branched from base, densely papillate. Basal leaves withered at anthesis; petiole 1-2 mm, membranous, densely papillate; leaf blade ovate-elliptic, 4-6 × 2.5-3 mm, densely pubescent especially adaxially, base narrowed, margin densely ciliolate, apex acute and cuspidate, veins indistinct. Stem leaves crowded to widely spaced, reflexed to recurved; petiole tube 0.5-1 mm, papillate; leaf blade deltate-spatulate, 3-4.5 × 1-1.5 mm, densely pubescent especially adaxially, base narrowed, margin densely ciliolate, apex deltate acute and cuspidate, veins indistinct or only midvein adaxially distinct. Pedicel 1.5-2.5 mm, densely papillate. Calyx obconic, 3.5-4.5 mm, tube membranous; lobes recurved, ovate, 1-1.3 mm, densely pubescent especially outside, base narrowed, margin densely ciliolate, apex deltate acute, veins indistinct or only midvein distinct outside. Corolla pale blue, with pale yellow-green base and blue-gray throat, tubular, 5.5-6 mm; lobes semiorbicular, 0.9-1.1 mm, margin entire, apex rounded and mucronate; plicae ovate-orbicular, 0.7-1 mm, margin denticulate, apex rounded. Stamens inserted at middle of corolla tube, equal; filaments 1.2-1.5 mm; anthers ellipsoid, 0.5-0.7 mm. Style 0.7-1 mm; stigma lobes linear. Capsules narrowly obovoid to obovoid, 3.5-4 mm; gynophore to 6 mm, stout. Seeds brown, ellipsoid, 1-1.2 mm. Fl. and fr. Jul-Sep.

* Scrub, cliffs; 4300-4500 m. SE Xizang.