FLORA OF LAOS
Piperaceae
Piper sp.

Houphan Prov., Xon Distr., Nong Hua Pa Noi village, around point 20°13′02.1′'N 103°24′23.3′'E.

Primary and secondary broad-leaved evergreen forest on very steep rocky mountain slopes composed by shaly limestone at elev. 1100-1200 m a.s.l.

Semi-woody vine 3-4 m long on shady slope. Inflorescences white. Occasional.

LA-VN 1288 11 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Pheng Phengsintham.