FLORA OF LAOS
Aristolochiaceae
Aristolochia sp.

Kham Mouan Prov., about 10 km to the E from Thaket City by road 12, around point 17°26′53.3”N 104°52′09.4”E at elev. about 150 m.

Very dry broad-leaved secondary semideciduous open forest and scrub on rocky crystalline limestone at elevation about 200 m.

Lithophytic vine on shady cliff. Flowers dark purple. Not common.

LA-VN 332 11 March 2013
Coll.: L.Averyanov, N.T.Hiep, V.Lamxay, N.S.Khang, P.V.The, S.Lorphengsy