Paphiopedilum hirsutissimum (Lindl. ex Hook. f.) Stein 1892SUBGENUS Paphiopedilum SECTION Stictopetalum Haller 1897
Photo by Eric Hunt, plant grown by The Paph House
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Common Name The Shaggy Paphiopedilum - In China Dai Ye Dou Lan - In Thailand Rngthao nari lueang loei
Flower Size 4" [10 cm]
Found in northeastern India and Myanmar [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 as a medium-sized, warm to cool growing terrestrial or lithophytic species that has 5 to 7, distichous, linear-oblong to linear-ligulate, obtuse at the obliquely bilobed apex, clear green, spotted purple beneath leaves that blooms in the spring with an erect, green with dark purple hairs, densely pubescent, longlasting, 12" [30 cm] long, single flowered inflorescence with an ellipticabaxially densely hairy, ciliate, much shorter than the ovary floral bract.
This orchid is a shade loving, terrestrial orchid in thin soil on rocks that likes to be kept evenly moist throughout the year.
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 fide; Die Orchideen 3 Auflage Bd 1 Sonderabdruck aus Schlechter Lieferung 3 129 to 192; Brieger, Maatsch and Senghas 1971 drawing fide; Orchid Digest No 36 No 1 1972 photo fide; Orchid Digest Vol 36 No 6 1972 photo fide; Dansk Botanisk Arkiv Bild 70 Hft 1 Orchid Contributions to the Orchid Flora of Thailand VI Seidenfaden 1975 drawing fide; Indian Orchids: Guide to Identification and Culture Pradhan 1976 drawing AOS Bulletin Vol 49 No 4 1980 photo fide; Orchid Digest Vol 44 No 6 1980 photo fide; Schlechteriana Vol 2 No 2 1991 photo; Thai Orchid Species Rakpaibulsombat 1992 photo fide; The Manual Of Cultivated Orchid Species Bechtel, Cribb & Launert 1992 photo fide; Identification of the Orchids [Orchidaceae Juss.] Vietnam Averyanov 1994; Orchid Digest Vol 61 #1 1997 photo fide; AOS Bulletin Vol 66 No 4 1997 photo fide; 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 Band 1C lieferung 40 pg 2492 - 2564 Brieger 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 fide; A field Guide to the Wild Orchids of Thailand Vaddhanaphuti 2005 photo fide; AOS Bulletin Vol 75 No 8 2006 photo fide; AOS Bulletin Vol 76 No 2 2007 drawing fide; 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 as P hirsutissima f alboviride photo fide; Orchids of Vietnam, Illustrated survey, part 1 Averyanov 2008; AOS Bulletin vol 78 No 11 2009 photo fide;
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; AOS Bulletin Vol 80 #6 2011 photo fide; Orchid Digest Vol 76 #4 2012 photo fide; AOS Bulletin Vol 81 #2 2012 photo fide; AOS Bulletin Vol 83 #4 2014 photo fide; AOS Bulletin Vol 83 #9 2014 photo fide; Orchid Digest Vol 79 #3 2015 photo fide; Orchid Digest Vol 80 #1 2016 photo fide; AOS Bulletin Vol 85 #3 2016 photo fide; AOS Bulletin Vol 85 #5 2016 photo fide; AOS Bulletin Vol 85 #7 2016 photo fide; AOS Bulletin Vol 85 #9 2016 as P hirsutissimum f viride photo fide; AOS Bulletin Vol 86 #3 2017 photo fide; AOS Bulletin Vol 87 #1 2018 as P hirsuttissimum f alboviride photo fide; AOS Bulletin Vol 88 #5 2019 as P hirsutissimum f alboviride photo fide; Atlas of Native Orchids of China Vol 1 Jin Xiaohua, Li Jianwu and Ye Deping 2019 photo fide
Paphiopedilum hirsutissimum (Lindl. ex Hook. f.) Stein 1892 var album
Photo by © Lourens Grobler
A white form of the previous species.
References W3 Tropicos, Kew Monocot list , IPNI ;
Orchids Australia Vol 10 No 4 1998 photo; AOS Bulletin Vol 85 #4 2016 as P hirsutissimum f viride photo fide; AOS Bulletin Vol 85 #5 2016 as P hirsttissima f viride photo fide; AOS Bulletin Vol 88 #5 2019 photo fide;
Paphiopedilum hirsutissimum var. chiwuanum (Tang & F.T.Wang) P.J.Cribb 1987
Photo by © 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 of 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 Band 1C lieferung 40 pg 2492 - 2564 Brieger 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
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 as P esquiroleiphoto fide; Orchid Digest Vol 59 No 3 1995 photo fide; Orchid Digest Vol 61 #3 1997 as P esquirolei photo fide; AOS Bulletin Vol 68 No 4 1999 photo fide; AOS Bulletin Vol 68 No 9 1999 photo fide; 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 Band 1C lieferung 40 pg 2492 - 2564 Brieger 2000; AOS Bulletin Vol 73 No 10 2004 photo fide; AOS Bulletin Vol 74 No 6 2005 photo fide; AOS Bulletin Vol 76 No 3 2007 photo fide; Orchids of Vietnam, Illustrated survey, part 1 Averyanov 2008; Flora Of Thailand Orchidaceae Vol 12 Part 1 Pedersen, Kurzweil, Suddee & Cribb 2011 drawing fide; Orchid Digest Vol 76 #4 2012 photo fide; AOS Bulletin Vol 85 #4 2016 photo fide; AOS Bulletin Vol 86 #3 2017 photo fide; AOS Bulletin Vol 86 #4 2017 photo fide;
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