心叶沙参 xin ye sha shen

Caudexes with horizontal branches and alternate membranous scales. Stems 1 or 2, erect, ca. 50 cm tall, simple, glabrous or retrorsely hirsute. Basal leaves unknown. Cauline leaf blade orbicular or ovate, 3-7 × 2-6 cm, both surfaces sparsely hispidulous or abaxially glabrous, base cordate with sinus 3-5 mm deep; petiole 2-4 cm, upper ones often shorter and sometimes ± decurrent. Inflorescences with short branches, forming a narrow panicle; pedicels less than 5 mm. Hypanthium obovoid, glabrous; calyx lobes linear-lanceolate, 3-7 × 1-1.5 mm, with 2 or 3 pairs of denticles up to 1 mm. Corolla purple, campanulate, 13-15 mm; lobes ovate-deltoid, ca. 1/2 as long as tube. Disk annular, 0.5-0.7 mm, glabrous. Style as long as corolla. Fl. Jul-Aug.

● Shaded and moist rock crevices; ca. 2100 m. Henan (Songxian, Tongbai, Yichuan).