4. Peperomia heyneana Miquel, Syst. Piperac. 123. 1843.
蒙自草胡椒 meng zi cao hu jiao
Peperomia duclouxii C. de Candolle.
Herbs perennial, forming clumps, 5-15 cm or slightly higher. Stolons present. Stems branched, glabrous or sparsely pubescent. Petiole 1-8 mm, usually glabrous; middle and leaf blades toward base of stem usually small, obovate-oblong or obovate-cuneate, rarely suborbicular, 0.5-1.5 cm × 3-8 mm, membranous, dotted, both surfaces glabrous or finely pubescent when young, glabrescent, base cuneate, apex rounded or emarginate, rarely with ciliolate sinus; veins 1 or 3. Spikes terminal, rarely axillary, usually solitary, rarely fascicled, 1-4.5 cm; peduncle 0.5-1.5 cm; rachis glabrous, 1-2 mm thick; bracts ± orbicular, ca. 0.5 mm wide, stalk short. Filaments slightly longer than anthers; anthers ± globose. Ovary ovoid, oblique, very small, papillate-pilose; stigmas glabrous. Nutlet ovoid to ovoid-oblong, ca. 0.8 × 0.4 mm. Fl. Apr-Oct.
Forests, ravines, wet, moss-covered rocks; 800-2000 m. W Guangxi, Guizhou, S Sichuan, Xizang, Yunnan [Bhutan, India, Myanmar, Nepal, Sikkim]