Gentiana choanantha Marquand

Annuals 3-5 cm tall. Stems ascending to erect, branched from base, glabrous. Basal leaves withered at anthesis; petiole 0.5-1.5 mm; leaf blade ovate to ovate-orbicular, 4-8 × 2-5 mm, margin cartilaginous and ciliolate, apex rounded and mucronate, veins 1-3. Stem leaves folded; petiole tube 1.5-2.5 mm; lower leaf blades ovate to ovate-orbicular, 4-8 × 2-5 mm, margin cartilaginous and ciliolate, apex rounded and mucronate, veins 1-3; middle to upper leaf blades filiform-linear, 4-6 × 0.5-1 mm, longer toward stem apex, margin narrowly membranous and smooth, apex acuminate and awned, midvein abaxially prominent. Flowers few. Pedicel 3-7 mm, surrounded by leaves, glabrous. Calyx narrowly obconic, 5-6(-9) mm; lobes subulate to linear-triangular, 2-2.5(-3.5) mm, margin narrowly membranous, apex acuminate and awned, midvein prominent. Corolla purple, with yellow-green base, obconic, 8-10(-14) mm; lobes recurved, ovate-orbicular, 1.5-2 mm, margin entire, apex obtuse; plicae ovate, 1.5-1.7 mm, margin slightly 2cleft or erose, apex obtuse. Stamens inserted at middle of corolla tube, equal; filaments 4-5 mm; anthers curved, subreniform, 0.8-1 mm. Style 1.5-2 mm; stigma lobes oblong. Capsules narrowly obovoid, 4-5 mm; gynophore to 1.4 cm, stout. Seeds light brown, ellipsoid, 0.8-1 mm. Fl. and fr. Apr-Aug.

W Sichuan.

* Stream and river banks, bogs, alpine meadows, scrub meadows; 2700-4600 m.

Gentiana crassuloides Franchet (Aug 1891), not Bureau & Franchet (Apr 1891).

Gentiana choanantha là một loài thực vật có hoa trong họ Long đởm. Loài này được C.Marquand mô tả khoa học đầu tiên năm 1931.

反折花龙胆（学名：Gentiana choanantha）为龙胆科龙胆属的植物，为中国的特有植物。分布于中国大陆的四川等地，生长于海拔2,700米至4,600米的地区，多生于山坡灌丛草地、沼泽地、高山草甸、河滩及水沟边，目前尚未由人工引种栽培。