花葶獐牙菜 hua ting zhang ya cai

Perennials 5-7 cm tall. Taproot 7-10 mm in diam. Stems ascending, many, scapiform, cespitose, striate, simple, naked, papillate along striae; caudex sheathed by blackish remains of old petioles. All leaves basal, in a rosette, short petiolate; leaf blade oblong-spatulate, 1.5-3 cm × 3-5 mm, base narrowed, margin ciliolate, apex obtuse, veins 1-3. Flowers solitary on naked scape, 4merous. Calyx lobes elliptic-spatulate, 8-10 mm, margin ciliolate, apex obtuse and with a recurved tip, midvein distinct. Corolla dark blue to blue-purple, 1.5-2.2 cm in diam., tube 1.5-2 mm; lobes oblong, 1-1.2 cm, apex obtuse and emarginate. Nectaries 1 per corolla lobe, rhomboid, margin raised and with inflexed stiff fimbriae 1-1.5 mm. Filaments ca. 8 mm; anthers yellow, ellipsoid, ca. 2 mm. Ovary ovoid-ellipsoid to ellipsoid, ca. 8 mm. Style indistinct; stigma lobes suborbicular. Fl. Aug.

* Hilltops; 4500-4600 m. Xizang (Cona Xian).