天蓝沙参 tian lan sha shen

Adenophora bulleyana Diels var. alba C. Y. Wu; A. coelestis var. stenophylla Diels ex C. Y. Wu; A. huangiae C. Y. Wu; A. megalantha Diels; A. ornata Diels; A. ornata var. alba C. Y. Wu; A. pachyrhiza Diels; A. raphanorrhiza C. Y. Wu.

Caudexes sometimes with horizontal branches. Stems 1 or 2 from a rootstock, usually 50-80 cm tall, simple, usually densely leafy in lower half, glabrous to rather densely hispid. Cauline leaves sessile or sometimes lower ones shortly petiolate; blade ovate-rhombic, obovate, ovate, or linear-lanceolate, 2-10 × 0.5-3 cm, abaxially often hispidulous along veins, adaxially sparsely hispidulous, margin irregularly serrate. Flowers in a pseudoraceme, or sometimes inflorescence with branches of 1 to several flowers at top; pedicels short. Hypanthium globose-obovoid or obovoid-obconic, glabrous; calyx lobes narrowly triangular, 8-20 × 1-1.5(-2) mm, margin with 1 to several pairs of denticles. Corolla blue or blue-purple, campanulate, 1.5-4 cm; lobes ovate-deltoid, 6-11 mm, ca. 1/2 as long as tube. Disk (1.2-)2-3(-3.5) mm, glabrous or sometimes hairy. Style shorter than corolla. Fl. Aug-Oct. 2n = 102*.

● Forests, forest margins, glades; 1200-4000 m. SW Sichuan, Yunnan.