Peristylus densus (Lindl.) Santapau & Kapadia 1960Photo by Dinesh Valke and his Flickr Orchid Photo WebPage

Another Flower? Photo by Tripetch and Trekking Thai WebPage

Full shade HotCoolLATE Summer EARLYFall

Common Name The Dense Peristylus- In China Xia Sui Kuo Rui Lan

Flower Size .2" [5 mm]

Found in China, Hong Kong, Assam, eastern Himalayas, India, Myanamar, Thailand and Vietnam in seasonal evergreen and pine forests and moist grasslands at elevations of 300 to 2100 meters as a small to medium sized, hot to cool growing terrestrial with sub-globose to oblong-ovoid tubers giving rise to an erect stem with 2 to 3, tubular, basal sheaths and carrying 4 to 6, widely spaced, ovate, oblong to oblong-lanceolate, acute to acuminate leaves that blooms in the summer and fall on an erect, cylindric to slightly ridged, slender to stout, 4.4 to 15.2" [11 to 38 cm] long, laxly to subdensely many flowered inflorescence with several sterile bracts anmd ovate-lanceolate, basal ones often exceeding the length of the ovary, acuminate floral bracts

Synonyms Coeloglossum cernuum Rchb.f. 1855; *Coeloglossum densum Lindl 1835; Coeloglossum peristyloides Rchb.f. 1856; Coeloglossum tenue Lindl. 1834; Glossula passerina Gagnep. 1934; Gymnadenia tenuis Lindl. ex Wall. 1832; Habenaria atramentaria Kraenzl. 1921; Habenaria buchneroides Schltr. 1919; Habenaria dankiaensis Gagnep. 1932; Habenaria evrardii Gagnep. 1931; Habenaria hiugensis Ohwi 1936; Habenaria neglecta King & Pantl. 1897; Habenaria passerina (Gagnep.) Tang & F.T.Wang 1951; Habenaria peristyloides Wight 1851; Habenaria stenostachya (Lindl. ex Benth.) Benth. 1861; Habenaria stenostachya subsp. buchneroides (Schltr.) So 1929; Peristylus neglectus (King & Pantl.) Kraenzl. 1901; Peristylus stenostachyus (Lindl. ex Benth.) Kraenzl. 1898; Peristylus xanthochlorus Blatt. & McCann 1932; Platanthera stenostachya Lindl. ex Benth.1855;

References W3 Tropicos, Kew Monocot list , IPNI ; Bonplandia Rchb.f 1855 as Coeloglossum densum; Bonplandia Rchb.f 1856 as Coeloglossum peristyloides; Bonplandia Rchb.f 1856 as Coeloglossum densum; Orchids of Thailand Seidenfaden & Smitnand 1959 as Habenaria buchneroides drawing ok; Encyclopedia of Cultivated Orchids Hawkes 1965 as Platanthera stenostachya; Orchids of Bhutam Pearce & Cribb 2002; Orchids of India A Glimpse Misra 2007 Native Orchids From Gaoligongshan Mountains, China Xiaohua, Xiaodong and Xiaochun 2009; Flora of China Vol 25 Zhengyi, Raven & Deyuan 2009; Flora of China Vol 25 Illustrations Zhengyi, Raven & Deyuan 2010 drawing fide; The Wild Orchids in Yunnan Xu Xiang Ye & Liu 2010 photos fide; Flora Of Thailand Orchidaceae Vol 12 Part 1 Pedersen, Kurzweil, Suddee & Cribb 2011 drawing/photo fide; The Wild Orchids of Hong Kong Barretto, Cribb and Gale 2011 drawing/photo fide;