天冬叶龙胆 tian dong ye long dan

Annuals 4-7 cm tall. Stems ascending, slender, few branched from base, glabrous. Basal leaves with petiole 0.5-1.5 mm; leaf blade ovate-elliptic to ovate, 3.5-4.5 × 2-2.5 mm, margin cartilaginous and ciliolate, apex acute and apiculate, midvein prominent. Stem leaves spreading, folded; petiole tube 1-1.5 mm; leaf blade linear to linear-lanceolate, 2.5-3.5 × 0.7-1.2 mm, shorter than internodes, margin narrowly membranous and ciliolate, apex acuminate and apiculate, midvein abaxially prominent. Flowers few. Pedicel 2-12 mm, glabrous. Calyx 7-8 mm, narrowly obconic; lobes linear-lanceolate, 3.5-5 mm, as long as or longer than tube, margin narrowly membranous, apex acuminate and apiculate, midvein distinct. Corolla blue-purple, with yellow-green base, and with blue-gray stripes, narrowly funnelform, 1.1-1.4 cm; lobes ovate, 1.5-2 mm, margin entire, apex obtuse; plicae ovate, 1.2-1.8 mm, margin entire or denticulate, apex obtuse. Stamens inserted at middle of corolla tube, unequal; filaments 3-4 mm; anthers subglobose, 0.5-0.6 mm. Style 1-2 mm; stigma lobes oblong. Capsules ellipsoid, ca. 6 mm; gynophore ca. 6 mm, slender. Seeds brown. Fl. and fr. Aug.

* Alpine bogs; 3500-3800 m. NW Yunnan.