Delphinium chungbaense W. T. Wang

Stem ca. 13 cm tall, glabrous or distally puberulent, simple or 1-branched. Leaf blade 1--2 cm wide, base deeply cordate; primary lobes separate for at least 75% of blade radius; central lobe rhombic, 2 or 3 × dissected, distally dentate, apex acute; ultimate lobules narrowly oblong or lanceolate; proximal leaves usually not withered. Flower solitary, terminal, nearly closed. Pedicel robust, 7--10 cm, puberulent; bracteoles proximal, leaflike, ca. 8 mm. Sepals purplish blue, abaxially puberulent; spur cylindric, 0.9--1.4 cm, base ca. 3 mm in diam.; other sepals 1.2--1.7 cm. Petals acute, glabrous. Staminode limb oblong, undivided, yellow barbate, margin ciliate, apex rounded, denticulate. Filaments glabrous. Carpels 3; ovaries sparsely puberulent. Fl. Jul--Aug.

SW Xizang (Zhongba Xian).

* Gravelly slopes; ca. 5600 m.