30. Gentiana davidii Franchet, Pl. David. 5: 211. 1884.
五岭龙胆 wu ling long dan
Perennials 3-15(-28) cm tall. Vegetative stems usually short; flowering stems simple, ascending, apically papillate, not horizontally elongated basally nor producing a basal rosette. Leaf blade linear-lanceolate to elliptic-lanceolate, base narrowed, margin slightly revolute and scabrous, apex acu-minate to obtuse, veins 1-3. Basal rosette leaves 3-5 pairs; petiole 5-11 mm, membranous; leaf blade 3-7 cm × 6-12 mm. Stem leaves 5-10 pairs, distinctly larger toward apex, apically crowded and subtending flower cluster; petiole 4-7 mm; leaf blade 1.3-5.5 × 3-8 mm. Inflorescences terminal clusters, (1-)3-10-flowered. Flowers sessile, 5merous. Calyx narrowly obconic, 0.9-1.6 cm, tube membranous; lobes 3-7 mm, very unequal, 2 larger and 3 smaller, linear-lanceolate to lanceolate, base ± narrowed, margin scabrous, apex acuminate, midvein distinct. Corolla blue, tubular-campanulate to funnelform, 1.5-4 cm; lobes ovate to triangular, 2.5-4 mm, margin entire, apex acute and caudate; plicae triangular or subtruncate, 0.5-2.5 mm, oblique, margin entire or denticulate, apex acute to subtruncate. Stamens inserted at basal part of corolla tube; filaments 0.6-1.5 cm; anthers narrowly ellipsoid, 1.5-2 mm. Style 4-6 mm; stigma lobes linear. Capsules narrowly ellipsoid to ovoid-ellipsoid, 1-1.7 cm; gynophore to 2.5 cm. Seeds light brown, subglobose, 0.6-1 mm. Fl. and fr. Aug-Nov.
* 300--3000 m. Anhui, Fujian, Guangdong, Guangxi, Hainan, Henan, Hubei, Hunan, Jiangsu, Jiangxi, Taiwan, Zhejiang
