莲座叶龙胆 lian zuo ye long dan

Annuals 2-3 cm tall. Stems purple, ascending; branches basal, short, stout, glabrous. Basal leaves with petiole 1-2 mm; leaf blade involucriform, obovate-orbicular to suborbicular, 1-1.6 × 0.9-1.6 cm, margin cartilaginous and smooth, apex rounded; veins 1-3, distinct, slender. Stem leaves 2 or 3 pairs, widely spaced; petiole tube 1.5-2 mm; leaf blade spatulate to obovate, 5-7 × 3-4.5 mm, shorter or as long as internodes, margin cartilaginous and ciliolate, apex obtuse to rounded with a recurved tip, midvein indistinct. Flowers few. Pedicel 3-5 mm, elongated in fruit, surrounded by upper leaves, glabrous. Calyx narrowly obconic, 6.5-7.5 mm; lobes triangular, 1.5-2 mm, margin narrowly membranous, apex acute, midvein distinct. Corolla outside pale yellow-green, inside pale blue, tubular, 1.1-1.3 cm; lobes ovate, 1-1.5 mm, margin entire, apex obtuse and mucronate; plicae oblong, 0.5-0.7 mm, margin crenulate, apex rounded. Stamens inserted at middle of corolla tube, unequal, generally 3 longer and 1.5-2 mm, 2 shorter and 1-1.5 mm; filaments linear-subulate; anthers ellipsoid, 0.5-0.7 mm. Style 0.5-0.8 mm; stigma lobes narrowly oblong. Capsules narrowly obovoid, 4-5 mm; gynophore to 1.1 cm. Seeds brown, oblong to ellipsoid, 0.9-1.1 mm. Fl. and fr. Apr-May.

* Roadside and wasteland slopes; 2300-2800 m. S Sichuan (Emei Shan).