Gentiana tongolensis Franch.

Annuals 3-10 cm tall. Stems purple, much branched with prostrate branches, papillate. Petiole 3-6 mm, papillate; leaf blade suborbicular, 3-5 mm in diam., base abruptly contracted, margin cartilaginous and smooth, apex rounded, midvein distinct. Flowers terminal, solitary, sessile or subsessile, 5merous. Calyx tube tubular, 6-9 mm, membranous, sometimes papillate; lobes spreading to recurved, similar to leaves, 2-4 mm. Corolla pale yellow, basally with blue spots, salverform, (1.4-)2-2.4 cm; lobes ovate-elliptic, 2-4.5 mm, margin entire, apex obtuse; plicae extremely oblique, triangular to auricular, 1-1.5 mm, margin entire. Stamens inserted at middle of corolla tube, usually exserted, equal; filaments 7-9 mm; anthers narrowly ellipsoid, 0.7-1.2 mm. Style usually exserted, filiform, 4-7 mm, ± equal to ovary; stigma lobes linear. Capsules narrowly ellipsoid, 6-12 mm; gynophore to 7 mm. Seeds brown, ellipsoid, 0.8-1 mm. Fl. and fr. Aug-Sep.

W Sichuan, E Xizang.

* Meadows, roadside slopes; 3500-4800 m.

Gentiana tongolensis là một loài thực vật có hoa trong họ Long đởm. Loài này được Franch. mô tả khoa học đầu tiên năm 1896.

东俄洛龙胆（学名：Gentiana tongolensis）为龙胆科龙胆属的植物，为中国的特有植物。分布于中国大陆的云南、西藏、四川等地，生长于海拔3,500米至4,800米的地区，常生于草甸和山坡路旁，目前尚未由人工引种栽培。