Platanthera sachalinensis F.Schmidt 1868

Plant and flowers in situ Japan

Photos by Hisanori Takeuchi and his Orchids of the World Website


Photo by Natsui.

Common Name The Sakhalin Island Platanthera - in Japan oh-yama-sagi-sou [large mountain herron weed] - In China Gao Shan She Chun Lan

Flower Size 1/4"[7 mm]

Found in Siberia, Sakhalin Island, Japan, Korea and Taiwan in alpine grasslands and sparse forests at elevations of 2000 to 3000 meters as a medium sized, cool to cold growing terrestrial with a tuberous, clavate-fusiform rootstock giving rise to an erect, stout stem with several tubualr, basal sheaths and carrying 1 to 3, cauline, alternate, widely spaced, ovate-oblong to lanceolate, obtuse, basally clasping leaves that blooms in the summer on 3.2" to 12" [8 to 30cm] long, subdensely to densely 10 to 40 flowered inflorescence with several, scattered, foliaceous, lanceolate bracts and lanceolate, exceeding the ovary in length floral bracts carrying fragrant flowers.

Synonyms Habenaria transnokoensis (Ohwi & Fukuy.) S.S.Ying 1977; Platanthera hondoensis (Ohwi) K.Inoue 1982; Platanthera longibracteata Hayata 1914; Platanthera sachalinensis var. hondoensis Ohwi 1953; Platanthera transnokoensis Ohwi & Fukuy. 1934; Tulotis ussuriensis var. transnokoensis (Ohwi & Fukuy.) T.S.Liu & H.J.Su 1978

References W3 Tropicos, Kew Monocot list , IPNI ; Encyclopedia of Cultivated Orchids Hawkes 1965; Flora of China Vol 25 Zhengyi, Raven & Deyuan 2009; Atlas of Native Orchids of China Vol 1 Jin Xiaohua, Li Jianwu and Ye Deping 2019 photo fide