波密龙胆 bo mi long dan

Annuals (4-)7-14 cm tall. Stems erect, fastigiate branched from base, papillate. Basal leaves withered at anthesis; petiole 1-2 mm; leaf blade ovate-orbicular, 0.6-1.5 cm × 2.5-7 mm, margin cartilaginous and ciliolate, apex rounded, veins 1-3. Stem leaves widely spaced; petiole tube 1-1.5 mm; leaf blade spatulate to obovate or upper leaves linear to elliptic, 1.5-5 × 1-5 mm, shorter than internodes, narrowed toward stem apex, margin cartilaginous and ciliolate, apex acuminate to rounded, midvein distinct. Flowers many. Pedicel 5-11 mm, exserted from uppermost leaves. Calyx narrowly obconic, 4-5 mm; lobes lanceolate to triangular, 1.5-1.8 mm, margin narrowly membranous and smooth, apex acute and apiculate, midvein smooth. Corolla blue, with short blackish lines in throat, tubular to narrowly funnelform, 8-10 mm, to 1.5 cm in fruit; lobes ovate, 2-2.5 mm, margin entire, apex obtuse; plicae ovate-elliptic, 1.5-2 mm, margin entire, apex obtuse. Stamens inserted at middle of corolla tube, equal; filaments 2-2.5 mm; anthers ellipsoid, 0.8-1 mm. Style 0.7-1 mm; stigma lobes linear. Capsules narrowly obovoid, 3.5-4.5 mm; gynophore to 2 cm, stout. Seeds brown, ellipsoid, 0.7-1 mm. Fl. and fr. Apr-Sep.

* Meadow slopes, forests; 2100-3600 m. SE Xizang.