Yoania japonica

Family Orchidaceae
Subfamily Epidendroideae
Tribe Calypsoeae
Scientific name Yoania japonica Maximovicz
Synonyms Yoania amagiensis Nakai & F. Maekawa var. squamipes (Fukuyama) C. L. Yeh & C. S. Leou; Yoania japonica Maximovicz var. squamipes Fukuyama; Yoania squamipes (Fukuyama) Masamune
Common name (Japanese common name) shouki-ran (ショウキラン, 鍾馗蘭 [meaning: Zhong Kui orchid])
(English common name) none
Distribution (Japan) Hokkaido, Honshu, Shikoku, Kyushu
(Other nations) China, Nepal, India
Habitat Mountane forest or bamboo grass field.
Chromosomal number 2n=24
Description Plants electing 15-30cm tall. Leaves none. Flowers 3-7 at top, pale purple or pink, calyx lobes 22-25mm long, petals ca. 2cm long, labium 6-7mm long and 6-7mm wide (upper surface), spurs pale yellow ca. 7mm long, flowering in July to August. Terrestrial. Perennial plants.
Reference Yoania japonica Maxim.
Yoania japonica Maximowicz
Note Yoania amagiensis Nakai & F. Maekawa (syn. Yoania japonica Maximovicz var. amagiensis Nakai & F. Maekawa) occurs in Honshu (west of Kanto region), Shikoku and Kyushu of Japan. Lemon yellow flowers. Endemic to Japan.

Photo by Madame Popow Photo by Madame Popow
August 2008
at mountane forest
August 2008
at mountane forest