Description from Flora of China
Gentiana sect. Protocrawfurdia Harry Smith.
Perennials, twining or rarely erect. Leaves opposite. Inflorescences terminal and axillary, 1 or 2-flowered or in cymes. Flowers 5merous. Calyx tube 10-veined. Corolla tubular, funnelform, or campanulate; plicae present. Stamens inserted on corolla tube, symmetric, equal. Nectaries 5 at ovary base. Ovary 1locular; ovules many. Fruit a capsule, many seeded. Seeds compressed, wings discoid.
Sixteen species: Bhutan, China, India, Myanmar, Sikkim; 14 species in China.