Apostasia wallichii R. Br. 1830 SECTION Apostasia

Inflorescence and Plant

Plant in situ in New Guinea

Photos by Peter O'Byrne, courtesy of Dr. E.F. de Vogel, André Schuiteman, and Jaap Vermeulen and Their Netherlands National Herbarium Website. and Flora Malesiana Vol III

FragranceDeep shade Hot Cool Fall

Common Name Wallich's Apostasia [Danish Botanist in India 1800's] - in Australia Yellow Grass Orchid - In Japan Yakushima-ran - In China Jian Ye Ni Lan

Flower Size .4" [1cm]

A fairly common, small to large sized, hot to cool growing, terrestrial species from Japan, Assam, India, Bangladesh, eastern Himalayas, Nepal, Bhutan, Sri Lanka, Myanmar, Thailand, Malaysia, Cambodia, Vietnam, Borneo, Java, Moluccas, Sulawesi, Sumatra, the Philippines, Papua and New Guinea and Queensland Australia in broadleafed, evergreen, humid, primary forests in humus rich soils, on granite dampened by mists and splash along steep watercourses at elevations of 200 to 1700 meters in deep shade with an often branching stem carrying several, dark green, close set, narrowly linear-lanceolate, grass-like, plicate, basally clasping, acuminate leaves and blooms in the fall on an erect to horizontal to pendulous, few branched, each 2" [5 cm] long, spreading, stiff, 3.2" [8cm] long, few to many [5 to 25] flowered inflorescence carrying fragrant flowers occurring in the wet season.

Synonyms Apostasia alba Rolfe 1889; Apostasia curvata J.J.Sm. 1927; Apostasia gracilis Rolfe 1889; Apostasia lucida Blume ex Siebe 1903; Apostasia nipponica Masam. 1935; Apostasia papuana Schltr. 1905; Apostasia stylidioides (F.Muell.) Rchb.f. 1872; Apostasia wallichii subsp. nipponica (Masam.) Masam. 1963; Apostasia wallichii var. nipponica (Masam.) Masam. 1963; Apostasia wallichii var. seraweiensis J.J.Sm. 1927; Mesodactylis deflexa Wall. 1830; Mesodactylis wallichii (R.Br.) Endl. 1837;

References W3 Tropicos, Kew Monocot list , IPNI ; Xenia Orchidaceae vol 2 Rchb.f 1874 Drawing fide; Die Orchideen Von Java J.J.Smith 1905; Die Orchideen Von Java Figuren Atlas J.J.Sm. 1908 drawing fide; Die Orchideen Von Java figuren Atlas J.J.Smith 1908 drawing fide; Orchids of Malaya Holtum 1953; Blumea 17: 333 de Vogel 1969 drawing ok; Orchids of Southern Ryukyu Islands Garay & Sweet 1974; Indian Orchids: Guide to Identification and Culture Pradhan 1976 Drawing fide; A revised Handbook to the Flora of Ceylon Dassanayake & Fosberg 1981 drawing fide; Orchidiana Philipiniana Vol 1 Valmayor 1984; The Orchids Of Penninsular Malaysia and Singapore Seidenfaden & Wood 1992; The Plants of Mount Kinabalu Vol 2 Orchids Wood Beaman & Beaman 1993; Phylogeny and Classification of the Orchid Family Dressler 1993 photo fide; A Checklist of the Orchids of Borneo Wood & Cribb 1994; Identification of the Orchids [Orchidaceae Juss.] Vietnam Averyanov 1994; The Orchids of the Philippines Cootes 2000; Botanica's Orchids Laurel Glen 2002, Orchids of Java Comber 1990; Orchids of Bhutan Pearce & Cribb 2001; Orchids of Sarawak Beeman & Wood 2001; Lindleyana Vol 17 No 1 2002; Orchids of Sumatra Comber 2002; Flora Malesiana Orchids of the Philippines Vol I Agoo, Shuiteman and de Vogel 2003; Flora Malesiana Orchids of New Guinea Vol III Shuiteman and de Vogel 2006; Native Orchids of Australia Jones 2006 as A stylidioides; The Orchids of India A Glimpse Misra 2007 drawing ok; Orchids of Vietnam, Illustrated survey, part 1 Averyanov 2008; Flora of China Vol 25 Zhengyi, Raven & Deyuan 2009; The Wild Orchids in Yunnan Xu Xiang Ye & Liu 2010 photo ok; Malesian Orchid Journal Vol 5 2010 photo fide; The Orchids of Mount Kinabalu Vol 1 Wood, Beaman, Lamb, Chu Lun and Beaman 2011 photo fide; The Orchids of Mount Kinabalu Vol 2 Wood, Beaman, Lamb, Chu Lun and Beaman 2011 drawing fide photo ok; Wild Orchids of Penninsular Malaysia Ong, O'Byrne, Yong & Saw 2011 photo ok; Atlas of Native Orchids of China Vol 1 Jin Xiaohua, Li Jianwu and Ye Deping 2019 photo fide