Gastrodia gracilis




Family Orchidaceae
Subamily Epidendroideae
Tribe Gastrodieae
Subtribe Gastrodiinae
Scientific name Gastrodia gracilis Blume
Synonyms Gastrodia dioscoreirrhiza Hayata; Gastrodia taiwaniana Fukuyama
Common name (Japanese common name) nayo-tenma (ナヨテンマ, 弱天麻 [meaning: weak tenma (tenma = Japanese pronunciation of a traditional Chinese medicine)])
(English common name) none
Distribution (Japan) Hokkaido, Honshu (Chiba Prefecture, Shizuoka Prefecture, Aichi Prefecture, Hiroshima Prefecture), Shikoku, Kyushu
(Other nations) Taiwan
Habitat Mountane wet evergreen bloadleaf tree forest.
Chromosomal number unknown
Description Plants electing 10-60cm tall. Leaves none. flowers 5-15, pale yellow 6-7mm long, flowering in June to July. Terrestrial. Saprophytes.
Reference Gastrodia gracilis Blume
Gastrodia gracilis Blume
Gastrodia gracilis Blume
Note Rare species



Photo by Mr. Yoshiaki Kitada Photo by Mr. Yoshiaki Kitada
June 2008
at Chiba Prefecture
June 2008
at Chiba Prefecture