二色五味子 er se wu wei zi

Schisandra bicolor var. tuberculata (Y. W. Law) Y. W. Law; S. tuberculata Y. W. Law; S. wilsoniana A. C. Smith.

Plants glabrous throughout. Young branches lacking wings; leaf-bearing branches short. Petiole 1.3-6.7 cm; leaf blade elliptic, ovate-elliptic, or obovate-elliptic, 7-12 × 3.5-8 cm, thinly paper, papery, or rarely subleathery, not glaucous, secondary veins 4-6 on each side of midvein, base cuneate to broadly cuneate, margin entire or denticulate, apex shortly acuminate. Flowers axillary to fugacious bracts at base of young shoots, solitary; peduncle 1.7-4.2 cm (staminate), 5-5.5 cm (pistillate). Tepals 6-11, greenish white to yellow (outer) or reddish purple (inner), largest 4-8.5 × 3.5-6 mm. Staminate flowers: stamens 5, sessile, radiating horizontally outward from a broad floral apex; pollen 6-colpate. Pistillate flowers: carpels 52-75; pseudostyle narrow. Fruit peduncle 2.5-6.5 cm; torus 3.5-15 cm; apocarps red, 1-1.6 × 1-1.6 cm. Seed testa tuberculate. Fl. May-Jul, fr. Aug-Nov. 2n = 28*.

● Forests; 700-1300 m. Guangxi, Hunan, Yunnan, Zhejiang.

This species is used medicinally.