Wild plants in and around Shimane 島根とその周辺の野生植物




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Orchidaceae / Ranka

Species in the genus Platanthera:

Platanthera hologlottis / Mizuchidori
Platanthera mandarinorum / Hashinagayamasagisou
Platanthera mandarinorum var. brachycentron / Yamasagisou
Platanthera mandarinorum var. neglecta / Maisagisou
Platanthera minor / Oobanotonbosou
Platanthera sachalinensis / Ooyamasagisou
Platanthera tipuloides var. nipponica / Kobanotonbosou

Platanthera minor / Oobanotonbosou オオバノトンボソウ

Platanthera sachalinensis is a perennial orchid plant found in forests in hills or shallow mountains, the roots being thick in a fusiform way. Stems grow up to 30-60cm in height, with some prominent vertical ridges on them. Leaves; 2 or 3 on the lower portion of the stems are large and gradually decrease upwards. The large ones, oblong, measure 7-12cm in length and 2.5cm in width. Flowers are yellowish-green; the dorsal sepals and the side petals overlap, the spurs measuring 1.2-1.5 - longer than the ovaries.



inserted by FC2 system