FLORA OF VIETNAM
Piperaceae
Piper sp.

Hoa Binh Prov., Lac Son Distr., Ngoc Son Municipality, Khu Village, Khu Na Mt., around point 20°26′43”N 105°19′57”E.

On edges of heavily logged closed primary and secondary evergreen broad-leaved forest on foot and slopes of limestone mts., at elevation about 550-600 m a.s.l.

Lithophyte. Rather common.

CPC 1687 28 March 2011 Coll.: N.Q.Hieu, L.Averyanov, N.T.Hiep, P.K.Loc, P.V.The, N.T.Vinh, T.B.Ngan, N.Tap, D.D.Dao, V.T.Ha.