FLORA OF LAOS
Orchidaceae
Malleola dentifera J.J.Sm.

Houphan Prov., Viengxay Distr., Xieng Luong village, around point 20°22′06.1′'N 104°17′18.6′'E.

Primary and secondary broad-leaved evergreen dry forest on very steep rocky slopes of highly eroded mountains composed by solid marble-like limestone at elev. 600-700 m a.s.l.

Miniature epiphyte on old mossy tree on mountain top. Not common.

LA-VN 1174a/TM 1275 8 April 2015
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, N.Q.Hieu, T.Maisak, Somneuk Bouthamounty.

Flowered in cult 10 August 2015 and 2016. Flowers odorless, tepals yellowish with longitudinal red-brownish marks; lip white, side lobes reddish-brown, spur white, apex yellow; column white; operculum light yellowish. Photos. L. Averyanov