Piper suipigua Buch.-Ham. ex D. Don, Prodr. Fl. Nepal. 20 1825. (syn: Chavica suipigua Miq.; Piper gamblei C. DC.; Piper glabramentum C. DC.; Piper japvonum C. DC.; Piper nepalense Miq.; Piper peepuloides Wall. (ambiguous synonym); Piper subrigidilimbum C. DC.); 

China (W-Yunnan), Nepal, Bhutan, Sikkim, India (Darjeeling) as per Catalogue of Life;

---

Large climbing shurb, stems faintly striate when dry, glabrous. Leaves thinly coriaceous, dark green when dry, ovate, 8-15 x 3.5-6cm, shortly scuminte, base usually slightly oblique, cuneate to rounded, 3-5-veined at base, with 2 further lateral viens arising 1-2cm above base, veins prominent on both surfaces, glabrous; petioles 8-14mm; stipules narrow, adnate to petiole, early caducous; axillary buds few, subulate, 1-2cm. Male spikes erect, 7-14cm, on peduncle 1-2cm, bracts peltate, subsessile, stamens 3, shortly exserted beyond bracts, anther cells erect, on short stout filaments. Female spikes 3-6cm, slender, on peduncle 1-1.56cm; stigmas 4. Fruiting spikes much elongated, 9-13cm, whitish hairy, interrupted, with scattered ovoid sessile drupes 5-6 x 4mm.

Fl. May-August

Warm and cool broad-leaved forests.

(Attributions- A.C.J Grierson & D.G Long. Flora of Bhutan. Published by RBGE. 1984 from Bhutan Biodiversity Portal)