Circaeocarpus saururoides C. Y. Wu; Piper begoniifolia (Blume ex Schultes & J. H. Schultes) C. de Candolle; P. lappaceum (Bennett) C. de Candolle; P. zippelia C. de Candolle, 1869, nom. illeg. (included Zippelia begoniifolia and Z. lappacea); Zippelia lappacea Bennett.

Herbs 40-80 cm high, glabrous. Stems rooting at basal nodes, roughly striate. Petiole 2-5 cm; leaf blade ovate-oblong

or ovate, 8-14 × 5-8 cm, membranous, densely pellucid dotted, base obliquely cordate, apex acuminate; veins 5-7, all basal, whitish when dry, abaxially prominent; reticulate veins conspicuous. Racemes 15-30 cm overall, flowers sparser toward apex; peduncle much longer than rachis; bracts ladlelike, ovate, 1.2-1.5 mm wide, stalk ca. as long as or slightly shorter than bract. Stamens yellowish white. Ovary greenish white, ovoid, 1-2 mm; stigmas ovate-lanceolate. Drupe globose, ca. 5 mm in diam., stalked; glochidia ca. 1.5 mm. Fl. May-Jul.

Forests, ravines; 600-700 m. S Guangxi, Hainan, S and SE Yunnan [Indonesia (Borneo, Java, Sumatra), Laos, Malaysia, Philippines, N Vietnam].