苞叶龙胆 bao ye long dan

Annuals 3-5 cm tall. Stems ascending, few branched from base, papillate. Basal leaves with petiole 1-2 mm; leaf blade involucriform, ovate-orbicular, 1.2-2.4 × 0.9-1.6 cm, margin cartilaginous and ciliolate, apex rounded and mucronate, veins 1-3. Stem leaves 2-4 pairs, widely spaced; petiole 1.5-2 mm, entirely connate; leaf blade 5-8 × 1-3.5 mm, shorter than internodes, apex obtuse, vein 1. Lower stem leaf blades spatulate, margin narrowly cartilaginous and ciliolate; upper leaf blades elliptic, margin narrowly membranous and smooth or ciliolate. Flowers few. Pedicel 7-10 mm, papillate. Calyx narrowly obconic, 7-8 mm; lobes triangular, 1.2-1.5 mm, margin narrowly membranous, apex acute and apiculate, midvein distinct. Corolla blue, outside tinged pale yellow-green, funnelform, 1.5-1.7 cm; lobes ovate-orbicular, 2-2.5 mm, margin entire, apex rounded and mucronate; plicae triangular, 1.5-2 mm, margin entire or 2cleft. Stamens inserted at middle of corolla tube, equal; filaments 2.5-3 mm; anthers ellipsoid, 1-1.2 mm. Style 1-1.5 mm; stigma lobes oblong. Capsules obovoid, 6-8 mm; gynophore to 3.5 cm. Seeds light brown, triquetrous, 1.2-1.4 mm.

* Slopes. SE Gansu.