Paphiopedilum hirsutissimum (Lindl. ex Hook. f.) Pfitzer 1892SUBGENUS Paphiopedilum SECTION Stictopetalum Haller 1897 Photo courtesy of Eric Hunt, plant grown by The Paph House

Full shadeWarm to Cool Spring

Common Name The Shaggy Paphiopedilum - In China Dai Ye Dou Lan - In Thailand Rngthao nari lueang loei

Flower Size 4" [10 cm]

This medium-sized, terrestrial or lithophytic species variety has 5 to 7, distichous, linear-oblong to linear-ligulate, obtuse at the obliquely bilobed apex, clear green leaves that are spotted purple beneath and is found in northeastern India and Burma [the other varieties below are found in northern Thailand, Laos and Vietnam as well as southwestern China] at altitudes of 700 to 1800 meters in leaf litter pockets in forks or at the base of trees or on steep limestone cliff faces in narrow crevasses, and grows as a cool to warm, shade loving, terrestrial orchid in thin soil on rocks that likes to be kept evenly moist throughout the year, it in turn blooms in the spring with a longlasting, 12" [30 cm] long, single flowered, densely pubescent inflorescence that is green and has dark purple hairs and an elliptic floral bract that is 1/4 the length of the ovary.

Synonyms Cordula hirsutissima [Lindl. ex Hook. f.] Rolfe 1912; *Cypripedium hirsutissimum Lindl. ex Hook. f. 1857; Paphiopedilum chiwuanum Tang & F.T.Wang 1951; Paphiopedilum esquirolei var. chiwuanum (Tang & F.T.Wang) Braem & Chiron 2003; Paphiopedilum hirsutissimum f. alboviride O.Gruss & Koop. 2008; Paphiopedilum hirsutissimum f. viride O.Gruss & Roeth 1999; Paphiopedilum hirsutissimum var. chiwuanum (Tang & F.T.Wang) P.J.Cribb 1987

References W3 Tropicos, Kew Monocot list , IPNI ; Xenia Orchidaceae vol 2 Rchb.f 1865 as Cypripedium hirsutissimum drawing fide; The Orchids of Burma Grant 1895/95 as Cypripedium hirsutissimum; Die Orchideen Schlechter 1915; Atlas des Orchidees Cultivees Constantin 1920 as Cypripedium hirsutissimum drawing good; Encyclopedia of Cultivated Orchids Hawkes 1965; AOS Bulletin Vol 39 No 2 1970; AOS Bulletin Vol 39 No 9 1970 photo; Die Orchideen #3 9-12 tafel 4 Rudolph Schlechter 1971 drawing fide; Orchid Digest No 36 No 1 1972 photo fide; Orchid Digest Vol 36 No 6 1972 photo fide; AOS Bulletin Vol 49 No 4 1980 photo; Orchid Digest Vol 44 No 6 1980 photo fide; Schlechteriana Vol 2 No 2 1991 photo; Thai Orchid Species Rakpaibulsombat 1992 photo fide; AOS Bulletin Vol 66 No 4 1997 photo; Wild Orchids of China Tsi, Chen Mori 1997; Orchids Australia Vol 10 No 6 1998 photo; AOS Bulletin Vol 68 No 4 1999 photo; Native Orchids of China in Colour Singchi, Zhanhuo and Yibo 1999 photo fide; Orchid Australia Vol 12 No 2 2000 photo; Lindleyana Vol 15 No 4 2000; Rudolf Schlechter Die Orchideen Lieferung 39 2000; A field Guide to the Wild Orchids of Thailand Vaddhanaphuti 2001 photo fide; Australian Orchid Review Vol 67 No 6 2002/3 photo; AOS Bulletin Vol 73 No 6 2004 photo; A field Guide to the Wild Orchids of Thailand Vaddhanaphuti 2005 photo fide; AOS Bulletin Vol 75 No 8 2006 photo; AOS Bulletin Vol 76 No 2 2007 drawing; Wild Orchids in Myanamar Vol 3 Tanaka 2007; Orchids of India A Glimpse Misra 2007 drawing ok/ photo fide; Orchid Digest Vol 72 No 3 2008 photo as P hirsutissima f alboviride Orchids of Vietnam, Illustrated survey, part 1 Averyanov 2008; A Field Guide to the Orchids of China Singchi, Zhongjian, Yibo, Xiaohua and Zhanhuo 2009 photo fide; 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 ok;

Paphiopedilum hirsutissimum (Lindl. ex Hook. f.) Pfitzer 1892 var albumSUBGENUS Paphiopedilum SECTION Stictopetalum Haller 1897 Photo courtesy of Lourens Grobler

A white form of the previous species.

References W3 Tropicos, Kew Monocot list , IPNI ; Orchids Australia Vol 10 No 4 1998 photo;

Paphiopedilum hirsutissimum var. chiwuanum (Tang & F.T.Wang) P.J.Cribb 1987SUBGENUS Paphiopedilum SECTION Stictopetalum Haller 1897 Photo courtesy of Lourens Grobler

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Common Name The Chiwuan Paphiopedilum

Flower Size 2.4 to 3.2" [6 to 8 cm]

Found in Yunnan Province China and Vietnam in broad-leaved evergreen, mixed and coniferous forests on rocky crystalline limestone at elevations of 750 to 1450 meters and differs from the type in the much smaller flowers and blooms in the spring

Synonyms Paphiopedilum chiwuanum Tang & F.T.Wang 1951; Paphiopedilum esquirolei var. chiwuanum (Tang & F.T.Wang) Braem & Chiron 2003

References W3 Tropicos, Kew Monocot list IPNI ; The Genus Paphiopedilum Vol 2 Braem 1999; Lindleyana Vol 15 No 4 2000; Rudolf Schlechter Die Orchideen Lieferung 39 2000; Australian Orchid Review Vol 70 No 4 2005; Orchids of Vietnam, Illustrated survey, part 1 Averyanov 2008

Paphiopedilum hirsutissimum var esquirolei [Schlechter] Karasawa and Saito 1982 SUBGENUS Paphiopedilum SECTION Stictopetalum Haller 1897 Photo by Jay Pfahl

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Common Name Esquirol's Paphiopedilum [English Orchid Collector and discoverer of this variety] - In Thailand Rongthaonari Lueang loei

Flower Size 5 3/4" to 6 1/2" [14 to 16 cm]

Found in northern Thailand, Laos and Vietnam as well as southern China as a lithophytic species found at 350 to 1250 meters on northeasterrn facing benches on steep slopes in semi-deciduous broadleafed forests above the opening of limestone caves and is a cool to warm growing plant with clear green leaves that blooms in the spring on a single flowered, erect, terminal, pubescent inflorescence. This variety differs form the normal variety by having larger flowers and a shortly, purple black, pubescent inflorescence and ovary.

Synonyms Cordula esquirolei [Schlechter] Hu 1925; Paphiopedilum esquirolei Schlechter 1919; Paphiopedilum hirsutissimum f. viride O.Gruss & Roeth 1999; Paphiopedilum saccopetalum Hua 1998

References W3 Tropicos, Kew Monocot list IPNI ; Orchid Digest Vol 44 No 6 1980 photo fide as P esquirolei; Orchid Digest Vol 51 No 2 1987 as P esquirolei photo fide; Schlechteriana Vol 2 No 2 1991 photo; Orchid Digest Vol 59 No 3 1995 photo fide; AOS Bulletin Vol 68 No 4 1999; AOS Bulletin Vol 68 No 9 1999 photo; The Genus Paphiopedilum Vol 1 & 2 Braem 1999; Australian Orchid Review Vol 65 No 6 2000 photo as P hirsutissimum var esquirolei f viride; Lindleyana Vol 15 No 4 2000; Rudolf Schlechter Die Orchideen Lieferung 39 2000; AOS Bulletin Vol 74 No 6 2005 photo; AOS Bulletin Vol 76 No 3 2007 photo; Orchids of Vietnam, Illustrated survey, part 1 Averyanov 2008; Flora Of Thailand Orchidaceae Vol 12 Part 1 Pedersen, Kurzweil, Suddee & Cribb 2011 drawing fide

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