Gentiana franchetiana Kuzn.

Annuals 2-3.5 cm tall. Stems purple, erect, branched from middle, apically, or rarely from base, densely papillate. Leaves crowded; petiole tube 0.5-1 mm, abaxially papillate; leaf blade ovate-lanceolate to ovate, subleathery, rigid, margin cartilaginous and ciliolate, apex acuminate to acute and apiculate, midvein prominent. Basal leaves withered at anthesis; leaf blade 7-10 × 2.5-6 mm. Stem leaf blades 5-9 × 1-3 mm. Flowers few to many, subsessile. Calyx narrowly obconic, 5-6 mm; lobes linear-lanceolate, 2.5-3 mm, equal, as long as tube, subleathery, rigid, margin cartilaginous and ciliolate, apex acute and apiculate, midvein prominent. Corolla outside tinged green, inside dark blue, tubular, 8-9 mm; lobes ovate, 1-1.2 mm, margin entire, apex obtuse; plicae ovate, 0.6-0.8 mm, margin entire, apex obtuse. Stamens inserted at middle of corolla tube, equal; filaments 2-3 mm; anthers narrowly ellipsoid, 1-1.2 mm. Style 1-1.5 mm; stigma lobes oblong. Capsules obovoid, 3-3.5 mm; gynophore to 6 mm, stout. Seeds brown, ovoid, 0.5-0.7 mm. Fl. and fr. Apr-Oct.

SW Sichuan, C and NW Yunnan.

* Hillsides; 1400-2300 m.

Gentiana pulla Franchet (1890), not Grisebach (1874).

Gentiana franchetiana là một loài thực vật có hoa trong họ Long đởm. Loài này được Kusn. mô tả khoa học đầu tiên năm 1894.

假黑龙胆（学名：Gentiana franchetiana），又名密枝龙胆，为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、四川等地，生长于海拔1,400米至2,300米的地区，多生在草坡上，目前尚未由人工引种栽培。