Gentiana yunnanensis Franch.

Annuals 5-30 cm tall. Stems purple, erect, branched, densely papillate. Petiole equal or slightly longer than leaf blade, slender; leaf blade spatulate to obovate, 1-3.5 cm × 4-13 mm, base narrowed, margin scabrous, apex rounded, veins 1-3. Inflorescences elongated with terminal and many axillary clusters. Flowers sessile or subsessile, 5merous. Calyx tube narrowly obconic, 6-9 mm; lobes narrowly elliptic, unequal, 3 larger and 8-10 mm, 2 smaller and 4-6 mm, base narrowed, margin scabrous, apex obtuse, midvein prominent. Corolla pale yellow-white to pale blue, with blackish streaks and spots, tubular, (1.5-)2.2-2.6 cm; lobes ovate, 3-5 mm, margin entire, apex obtuse; plicae broadly ovate, 0.7-1 mm, symmetric, margin slightly 2cleft or denticulate. Stamens inserted at middle of corolla tube, usually exserted, unequal, 3 longer and 1-1.2 cm, 2 shorter and 7-9 mm; anthers ellipsoid, 1-1.5 mm. Style linear, 2-3 mm, much shorter than ovary; stigma lobes narrowly oblong. Capsules narrowly ellipsoid, 1.1-1.3 cm; gynophore 1.1-1.3(-3.5) cm, slender. Seeds brown, subglobose, 0.5-0.7 mm. Fl. and fr. Aug-Nov.

Guizhou, SW and W Sichuan, SE Xizang, NE and NW Yunnan.

* Grassland slopes, roadsides, alpine meadows, scrub, forests; 2300-4400 m.

Gentiana yunnanensis là một loài thực vật có hoa trong họ Long đởm. Loài này được Franch. mô tả khoa học đầu tiên năm 1884.

云南龙胆（学名：Gentiana yunnanensis）是龙胆科龙胆属的植物，是中国的特有植物。分布于中国大陆的云南、西藏、四川、贵州等地，生长于海拔2,300米至4,400米的地区，一般生长在山坡草地、高山草甸、路旁、灌丛中以及林下，目前尚未由人工引种栽培。