FLORA OF LAOS

Hin Nam No Nature Protected Area

Orchidaceae

Cleisostoma verrucosum Aver., sp. nov. Paratype

Laos, Khammoune prov., Boualapha distr., Nong Seng village, Chanh Daeng mountain, around point 17°31'11.1"N, 105°46'41.4"E. Primary dry evergreen and semideciduous broad-leaved forest on very steep rocky slope near karstic hill top composed with solid, marble-like highly eroded limestone at 400-600 m a.s.l. Lithophytic undershrub to 1 m tall on exposed rocks near mountain top. Occasional.

11 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 985a.

Flowered in culture on 26 November 2025, L. Averyanov, Al 985a.