墨脱龙胆 mo tuo long dan

Gentiana monochroa T. N. Ho; G. sherriffii C. Marquand.

Perennials 3-5 cm tall. Stolons to 10 cm, much branched. Stems erect, simple. Leaves of stolons widely spaced; petiole completely connate; leaf blade linear to linear-lanceolate, 0.8-1.2 cm × 2-3 mm. Leaves of flowering stems crowded into a rosette; petiole 1-1.5 cm, membranous; leaf blade narrowly elliptic to ovate-elliptic, 1.2-2 cm × 2-5 mm, base narrowed, apex obtuse; veins 1-3, abaxially distinct. Flowers solitary. Calyx campanulate, tube 6-9 mm; lobes lanceolate to ovate, 2-7 mm, unequal, apex acute, midvein indistinct. Corolla clear blue, with pale yellow-white base and blue streaks and spots, campanulate, (1.6-)2-2.5 cm; lobes broadly ovate, 2.5-3.5 mm, margin entire, apex rounded; plicae broadly ovate, 0.5-1 mm, margin entire, apex rounded to truncate. Stamens inserted at basal part of corolla tube; filaments 8-10 mm; anthers ellipsoid, 1.5-2 mm. Style 2-3 mm; stigma lobes oblong. Capsules ellipsoid to ovoid-ellipsoid, 1-1.2 cm; gynophore to 1 cm. Seeds light brown, ellipsoid to subglobose, 1-1.2 mm; seed coat with spongy complex pits. Fl. and fr. Aug.

* Alpine meadows; 4600-4900 m. SE Xizang.