豆瓣绿 dou ban lu

Piper tetraphyllum G. Forster, Prodr. Fl. Ins. Austr. 5: 5. 1786; Peperomia reflexa (Linnaeus f.) A. Dietrich (1831), not P. reflexa Kunth (1815); P. reflexa (Linnaeus f.) A. Dietrich f. sinensis C. de Candolle; P. tetraphylla var. sinensis (C. de Candolle) P. S. Chen & P. C. Zhu; Piper reflexum Linnaeus f.

Herbs perennial, fleshy, forming clumps, usually glabrous except for rachis and bases of bracts. Stolons present. Stems many branched, 10-30 cm, internodes thickly ridged. Leaves dense, ± uniform in size; petiole 1-2 mm, glabrous or pubescent; leaf blade broadly elliptic or suborbicular, 0.9-1.2 cm × 5-9 mm, fleshy, pale and usually wrinkled when dried, pellucid dotted, glabrous or sparsely pubescent, rarely densely pubescent, base and apex rounded, slightly revolute; veins 3, slender, usually inconspicuous. Spike terminal and axillary, solitary, 2-4.5 cm; peduncle sparsely pubescent to ± glabrous; bracts suborbicular, stalk short. Filaments short, thecae rounded-"D"-shaped. Ovary ovoid, inserted within excavations of rachis; stigmas capitate, pubescent. Nutlet subovoid, ca. 1 mm. Fl. Feb-Apr, Sep-Dec.

Wet rocks and dead trees, along streams; 600-3100 m. Fujian, S Gansu, Guangdong, Guangxi, Guizhou, Sichuan, Taiwan, S Xizang, Yunnan [Bhutan, India, Indonesia, Malaysia, Philippines, Sikkim, Sri Lanka, Thailand; Africa, Central and South America, Oceania]

Some plants from Guizhou and S Yunnan are much more densely hairy than the typical form of Peperomia tetraphylla and can be separated as var. sinensis.

Used for medicinal and ornamental purposes.