Hemipilia gracilis (Blume) Y.Tang, H.Peng & T.Yukawa 2015 Hemipilia sect. Neottianthe Y. Tang & H. Peng


Plant and Inflorescence in situ Japan

Photos by Hisanori Takeuchi and his Orchids of the World Website


Common Name The Delicate Amitostigma - In China Wu Zhu Lan

Flower Size .2" [5 mm]

Found in Japan, Korea, China and Taiwan in forest in damp rocky soils, crevices and valleys at elevations of 2000 to 3000 meters as a mini-miniature to small sized, cold growing terrestrial with ovoid to oblong-ellipsoid tubers giving rise to a slender, erect to suberect, glabrous stem carrying near the base , large, narrowly oblong, oblong, ovate-lanceolate to elliptic oblong, erect, spreading, obtuse to acute, constricted below into the amplexicaul, clasping base leaf and 1 to 2 leaf-like small bracts above, that blooms in the late spring and early summer on an erect to arching, 5 to 20 flowered racemose inflorescence with small, erect, spreading, ovate-lanceolate to ovate, acuminate, much shorter than the ovary floral bracts.

Synonyms Amitostigma chinense (Rolfe) Schltr. 1919; Amitostigma formosana (S.S.Ying) S.S.Ying 1987; Amitostigma gracile (Blume) Schltr. 1919; Amitostigma yunkianum Fukuy 1934; Cynorkis chinensis Rolfe 1908; Cynorkis gracilis (Blume) Kraenzl. 1898; Gymnadenia gracilis (Blume) Miq. 1866; Gymnadenia mitostigma Makino 1905; Gymnadenia tryphiiformis Rchb.f. 1876; *Mitostigma gracile Blume 1856; Orchis formosensis S.S.Ying 1977; Orchis gracilis (Blume) So 1929; Orchis gracilis var. chinensis (Rolfe) So 1929; Orchis gracilis var. gracillima Hayata 1912; Orchis sooi S.S.Ying 1990; Orchis yunkiana (Fukuy.) S.S.Ying 1975

References W3 Tropicos, Kew Monocot list , IPNI ; AOS Bulletin Vol 44 #9 1975; Genera Orchidacearum Vol 2 Part One Pridgeon, Cribb, Chase and Rasmussen 2001 drawing fide; Native Orchids of Shaanxi - Shaanxi Science & Technology Press 2007 photo fide; A Field Guide to the Orchids of China Singchi, Zhongjian, Yibo, Xiaohua and Zhanhuo 2009 photo hmm; Flora of China Vol 25 Zhengyi, Raven & Deyuan 2009; Flora of China Vol 25 Illustrations Zhengyi, Raven & Deyuan 2010 drawing hmm; Phylogeny and classification of the East Asian Amitostigma alliance (Orchidaceae: Orchideae) based on six DNA markers Ying Tang, Tomohisa Yukawa, Richard M Bateman, Hong Jiang & Hua Peng 2015; Atlas of Native Orchids of China Vol 1 Jin Xiaohua, Li Jianwu and Ye Deping 2019 photo fide