Cypripedium palangshanense Tang & F. T. Wang, Bull. Fan Mem. Inst. Biol. Bot. 7: 1. 1936.巴郎山杓兰 ba lang shan shao lan

Plants 8-13 cm tall, with a slender, creeping rhizome. Stem erect, glabrous, mostly enclosed in several sheaths at base and 2 leaves at apex. Leaves spreading horizontally, opposite or subopposite; blade orbicular or nearly broadly elliptic, 4-6 × 4-5 cm, herbaceous, glabrous, with 5-7 prominent veins, not ciliate, apex acute or obtuse. Inflorescence terminal, suberect, with 1 flower; peduncle slender, pubescent; floral bracts lanceolate, 1.2-1.6 × 0.3-0.4 cm, glabrous, apex acute; pedicel and ovary 4-8 mm, with dense, short glandular hairs. Flower pendulous, brown-purple to purplish red. Dorsal sepal lanceolate, 1.4-1.8 × 0.3-0.4 cm, glabrous or pubescent at abaxial base; synsepal ovate-lanceolate, 1.5-1.7 × 0.5-0.6 cm, apex shallowly 2-lobed. Petals obliquely lanceolate, 1.2-1.6 × 0.4-0.5 cm, slightly hairy toward abaxial base, apex acuminate; lip pouched, subglobose, ca. 1 cm, with a rather broad, rounded mouth. Staminode ovate-lanceolate, ca. 3 mm. Fl. Jun.

● Forests, thickets; 2200-2700 m. Chongqing, C and SW Sichuan.