Laos, Vientiane prov., Vang Vieng district, close vicinities of Vang Vien town, secondary degraded evergreen forest on steep slopes of small rocky stream (dry during rainless season) between remnant mountains composed with karstic highly eroded marble-like limestone at elevation at 300-400 m a.s.l. Terrestrial and lithophytic herb with glossy leaves to 40 cm long on steep rocky shady stream slope. Common. AL 190 (4 plants)
Flowered in 5 March 2918, Flowers dark dirty purple, stigma purple with radiate white markings. FLARA OD LAOS
Peliosanthes irinae Aver. & N.Tanaka
Laos, Vientiane prov., Vang Vieng district, close vicinities of Vang Vien town, secondary degraded evergreen forest on steep slopes of small rocky stream (dry during rainless season) between remnant mountains composed with karstic highly eroded marble-like limestone at elevation at 300-400 m a.s.l. Terrestrial and lithophytic herb with glossy leaves to 50 cm long on steep rocky shady stream slope. Common. AL 191 (3 living plants).
12 December 2015, L.Averyanov, T.Maisak, M.Nuraliev, N.Vislobokov. AL 186
Flowered in cult 5 February 2018. Flowers greenish, rachis fleshy, green to dirty violet. FLARA OD LAOS
Peliosanthes irinae Aver. & N.Tanaka
Laos, Vientiane prov., Vang Vieng district, close vicinities of Vang Vien town, secondary degraded evergreen forest on steep slopes of small rocky stream (dry during rainless season) between remnant mountains composed with karstic highly eroded marble-like limestone at elevation at 300-400 m a.s.l. Terrestrial and lithophytic herb with glossy leaves to 55 cm long on steep rocky shady stream slope. Common. AL 192 (2 living plants).
12 December 2015, L.Averyanov, T.Maisak, M.Nuraliev, N.Vislobokov. AL 186
Flowered in cult 5 February 2018. Flowers light dirty violet, rachis fleshy, dirty violet. Laos, Vientiane prov., Vang Vieng district, close vicinities of Vang Vien town, Phu Ngeum Mt., secondary degraded evergreen forest on steep rocky slopes and cliffs composed with karstic highly eroded marble-like limestone at elevation at 350-500 m a.s.l., 13 December 2015, L.Averyanov, T.Maisak, M.Nuraliev, N.Vislobokov.
Peliosanthes sp. Terrestrial herb with glossy, dark green leaves to 20 cm long on steep shady mt slope. Not common. AL 193 (2 plants) FLARA OF LAOS
Peliosanthes irinae Aver. & N.Tanaka
Laos, Vientiane prov., Vang Vieng district, close vicinities of Vang Vien town, Phu Ngeum Mt., secondary degraded evergreen forest on steep rocky slopes and cliffs composed with karstic highly eroded marble-like limestone at elevation at 350-500 m a.s.l. Terrestrial herb with glossy green leaves to 45 cm long on steep rocky shady mt slope. Common. AL 194 (5 living plants).
13 December 2015, L.Averyanov, T.Maisak, M.Nuraliev, N.Vislobokov.
Flowered in cult 5 February 2018. Flowers dull green, rachis fleshy, dark dirty violet. Dendrobium crepidatum Lindl. & Paxton Clustering epiphyte on small mossy tree on mountain top. Rare. AL 195 (1 plant)