黄山龙胆 huang shan long dan

Gentiana heterostemon Harry Smith var. chingii (C. Marquand) Harry Smith, G. pedicellata (Wallich ex D. Don) Grisebach var. chingii C. Marquand.

Annuals 4-10 cm tall. Stems purple, erect, rigid, simple or few branched from base, densely papillate. Basal leaves with petiole 1-2 mm; leaf blade broadly elliptic to ovate, 6-10 × 0.5-6 mm, margin narrowly membranous and ciliolate, apex obtuse and apiculate, midvein distinct. Stem leaves with petiole tube 0.5-1 mm, adaxially papillate; leaf blade linear-lanceolate, oblong, or elliptic, 6-10 × 0.5-6 mm, shorter than internodes, margin narrowly membranous and ciliolate, apex acuminate to obtuse, midvein distinct. Flowers few. Pedicel purple, 2-6 mm, rigid, densely papillate. Calyx narrowly obconic, 6.5-7.5 mm; lobes filiform to filiform-subulate, 3-4 mm, margin narrowly membranous, apex acuminate, midvein distinct. Corolla outside pale yellow-green, inside pale blue, obconic, 1.2-1.8 cm; lobes ovate, 2-2.5 mm, margin entire, apex obtuse; plicae broadly ovate, 1-1.5 mm, margin denticulate, apex truncate. Stamens inserted at middle of corolla tube, equal; filaments 4.5-5 mm; anthers linear, 2-2.5 mm. Style 3-4.5 mm; stigma lobes linear. Capsules narrowly obovoid, 6-7 mm; gynophore to 1.5 cm. Seeds light brown, ovoid-ellipsoid, 1.2-1.4 mm. Fl. and fr. May-Jul.

* Roadsides, hillsides, wet places; 400-2100 m. Anhui (Huang Shan).