毛蕊龙胆 mao rui long dan

Annuals 2-5 cm tall. Stems erect, branched from base, densely papillate. Basal leaves with petiole 1-1.5 mm; leaf blade ovate, 4-7 × 3-5 mm, base obtuse, margin cartilaginous and ciliolate, apex acute, midvein distinct. Stem leaves with petiole tube 1-1.5 mm, abaxially papillate; leaf blade elliptic-lanceolate to elliptic, 5-9 × 1-3 mm, base obtuse, margin cartilaginous and ciliolate, apex acute and apiculate, midvein prominent. Flowers subsessile. Calyx tubular, 8-10 mm, tube membranous; lobes spreading, narrowly triangular, 3-3.5 mm, base not narrowed, margin narrowly membranous, apex acuminate and apiculate, midvein prominent. Corolla blue, with dark blue short lines in throat, tubular, 1.2-1.4 cm; lobes ovate-elliptic, 2-2.5 mm, margin entire, apex obtuse; plicae ovate, 1.5-2 mm, margin 2cleft or denticulate. Stamens inserted at middle of corolla tube, equal; filaments 1-1.2 mm, scabrous or papillate; anthers ellipsoid, 0.8-1 mm. Ovary narrowly ellipsoid, 2.5-3.5 mm; gynophore 1-1.5 mm. Style 1-1.5 mm; stigma lobes narrowly oblong. Fl. Aug.

* Forests; ca. 4000 m. SE Xizang.