陕西龙胆 shan xi long dan

Annuals 7-12 cm tall. Stems purple, ascending, branched from base, densely papillate. Basal leaves with petiole 2-3 mm; leaf blade narrowly elliptic, 2.5-4.2 cm × 3-8 mm, margin densely ciliolate, apex obtuse, midvein prominent. Stem leaves widely spaced; petiole 2-3 mm; leaf blade linear, 0.9-2.2 cm × 1.5-3 mm, base obtuse, margin densely ciliolate, apex acuminate, midvein prominent. Pedicel 2-10 mm, densely purple papillate. Calyx narrowly obconic, 2-2.7 cm, extending to corolla throat; lobes linear, 6-8 mm, margin densely ciliolate, apex acuminate, midvein strongly keeled and decurrent basally into conspicuous wings of calyx tube. Corolla purple, salverform, 2.5-3.5 cm; lobes lanceolate, 6-8 mm, margin entire, apex acuminate and caudate; plicae ovate, 4-5 mm, margin entire or denticulate, apex acute. Stamens inserted at middle of corolla tube, equal; filaments 5-5.5 mm; anthers linear, 1.5-2 mm. Style 4-5 mm; stigma lobes linear. Capsules narrowly obovoid, 0.9-1.1 cm, apex long attenuate; gynophore 2.5-4 cm. Seeds light brown, ellipsoid, 1-1.2 mm. Fl. and fr. Jul.

* Hillsides. Shaanxi.