黄花龙胆 huang hua long dan

Gentiana flavescens Hayata (1908), not Schur (1866).

Annuals 4-8 cm tall. Stems ascending, branched from base, densely papillate. Basal leaves with petiole 0.5-1 mm; leaf blade ovate-elliptic, 0.7-1.7 cm × 3-5 mm, margin ciliolate, apex acuminate to obtuse and apiculate, midvein distinct. Stem leaves widely spaced; petiole tube 0.5-1 mm, margin ciliolate; leaf blade lanceolate to ovate, 5-8 × 2-5 mm, shorter than internodes, margin ciliolate, apex acute and apiculate, midvein distinct. Flowers few to many. Pedicel 2-3 mm, to 8 mm in fruit, densely papillate. Calyx campanulate, 5-6 mm; lobes 2-2.5 mm, filiform to filiform-subulate, margin ciliolate, apex acuminate, midvein distinct. Corolla pale yellow or white, with pale purple base and yellow spots in throat, tubular-campanulate to narrowly obconic, 1.2-1.5 cm; lobes ovate, 2.5-3 mm, margin entire, apex obtuse and mucronate; plicae 2.5-3 mm, ovate, margin entire, apex obtuse. Stamens inserted at middle of corolla tube, equal; filaments 4.5-5.5 mm; anthers ellipsoid, 1-2 mm. Style 1.5-2 mm; stigma lobes linear. Capsules narrowly obovoid to obovoid, 5-6 mm; gynophore to 1.2 cm, stout. Seeds brown, ellipsoid, 0.6-0.9 mm. Fl. and fr. Aug-Oct.

* Grassland slopes; 1800-3000 m. Taiwan.