Platanthera sachalinensis




Family Orchidaceae
Subfamily Orchidoideae
Tribe Orchideae
Subtribe Orchidinae
Scientific name Platanthera sachalinensis F. Schmidt
Synonyms Habenaria transnokoensis (Ohwi & Fukuyama) S. S. Ying; Platanthera longibracteata Hayata; Platanthera transnokoensis Ohwi & Fukuyama; Tulotis transnokoensis (Ohwi & Fukuyama) S. S. Ying; Tulotis ussuriensis (Regel) H. Hara var. transnokoensis (Ohwi & Fukuyama) T. S. Liu & H. J. Su
Common name (Japanese common name) oh-yama-sagi-sou (オオヤマサギソウ, 大山鷺草 [meaning: large mountain herron grass])
(Chinese common name) gao shan she chun lan (高山舌唇蘭)
(English common name) none
Distribution (Japan) Hokkaido, Honshu, Shikoku, Kyushu
(Other nations) Russia (eastern Siberia, Sakhalin), Korea, Taiwan
Habitat Alpine forest
Chromosomal number 2n=42
Description Plants electing 40-60cm tall. Leaves 2 (or merely 1 or 3), each 9-23cm long, 2-8cm wide. Flowers inflorescences 8-20cm long, pale yellow side sepals 4-5mm long, mid sepals 3-3.5mm long, lip petals 5-7mm long, flowering in July to August. Terrestrial. Perennial plants.
Reference Platanthera sachalinensis Fr. Schmidt
Platanthera sachalinensis F. Schmidt
Platanthera sachalinensis F. Schmidt
Platanthera sachalinensis F.Schmidt 1868



July 2008
at Tsukuba Botanical Garden
July 2008
at Tsukuba Botanical Garden