弈良龙胆 yi liang long dan

Annuals 7-12 cm tall. Stems erect, 3-5 × dichotomously branched from base, glabrous. Petiole tube 0.5-1 mm; leaf blade lanceolate, 6-11 × 1-2.5 mm, margin ciliolate, apex acute, midvein distinct. Flowers many. Pedicel 5-7 mm, almost glabrous. Calyx campanulate, 5-6 mm; lobes filiform to filiform-subulate, 2-2.5 mm, base 0.8-1 mm wide, margin narrowly membranous, apex acute, midvein distinct. Corolla pale yellow-white, pale blue in throat, narrowly obconic, 8-10 mm; lobes ovate, 1.5-2 mm, margin entire, apex obtuse; plicae triangular, 1-1.5 mm, margin entire, apex acute. Stamens inserted at middle of corolla tube, equal; filaments 1.8-2 mm; anthers ellipsoid, 0.7-0.9 mm. Style 0.8-1 mm; stigma lobes oblong. Capsules narrowly obovoid to obovoid, 3.5-4.5 mm; gynophore to 8 mm. Seeds light brown, ellipsoid to ovoid, 0.9-1.1 mm. Fl. and fr. Jul-Sep.

* Roadsides under forests; ca. 1800 m. NE Yunnan.