Paphiopedilum charlesworthii (Rolfe) Pfitzer 1895 SUGENUS Paphiopedilum SECTION Paphiopedilum Karasawa & Saito 1982

Photo by Lourens Grobler

Alba Form

Photo by Timothy Choltco

Full shadeCool LATE summerand fall

Common Name The Charlesworth Paphiopedilum [English Orchid Nursery] - in China Hang Qi Dou Lan - In Thailand Rongthaonari doi tung

Flower Size about 3 1/4" [8 cm]

Found in Assam India, Myanmar, Thailand, and southwestern China on isolated peaks at elevations of 1200 to 2000 meters in deep shade on western or northwest facing slopes where it is a cool growing epiphyte growing in leaf mold on limestone rock that has linear, clear green leaves with purple spots below near the base and blooms in the late summer and fall on a single flowered , pubescent, terminal, erect, to 10" [25 cm] long inflorescence covered with reddish spots and having obovate floral bracts that cover 2/3 of the ovary and carrying a single, long-lasting flower.

Synonyms Cordula charlesworthii [Rolfe] Rolfe 1912; *Cypripedium charlesworthii Rolfe 1893; Cypripedium crawshayae O'Brien 1898; Paphiopedilum charlesworthii f. crawshayae (O'Brien) O.Gruss 1999; Paphiopedilum charlesworthii f. sandowiae Braem 1998

References W3 Tropicos, Kew Monocot list , IPNI ; The Orchids of Burma Grant 1895/95 as Cypripedium charlesworthii; Die Orchideen Schlechter 1915 photo fide; Atlas des Orchidees Cultivees Constantin 1920 as Cypripedium charlesworthii drawing fide; Encyclopedia of Cultivated Orchids Hawkes 1965; Orchid Digest Vol 34 #7 1970 photo fide; AOS Bulletin Vol 39 No 2 1970; Die Orchideen 3 Auflage Bd 1 Sonderabdruck aus Schlechter Lieferung 3 129 to 192; Brieger, Maatsch and Senghas 1971; Indian Orchids: Guide to Identification and Culture Pradhan 1976 photo fide; Orchid Digest Vol 44 No 4 1980 photo fide; AOS Bulletin Vol 49 #3 1980 photo fide; Orchid Digest Vol 44 No 6 1980 photo fide; AOS Bulletin Vol 51 No 10 1982 photo fide; Orchid Digest Vol 56 No 1 1992 photo; AOS Bulletin Vol 61 No 7 1992 photo fide; AOS Bulletin Vol 61 No 9 1992 photo fide; The Manual Of Cultivated Orchid Species Bechtel, Cribb & Launert 1992 photo fide; Orchid Digest Vol 59 No 3 1995 photo fide; Orchids Australia Vol 10 No 6 1998 photo; The Genus Paphiopedilum Vol 1 & 2 Braem 1999; Australian Orchid Review Vol 65 No 6 2000 photo as P charlesworthii f sandowiae; Rudolf Schlechter Die Orchideen Band 1C lieferung 40 pg 2492 - 2564 Brieger 2000 ; AOS Bulletin Vol 70 No 12 2001 photo fide; A field Guide to the Wild Orchids of Thailand Vaddhanaphuti 2001 photo fide; Wild Orchids in Myanamar Vol 1 Tanaka 2003; Wild Orchids in Myanamar Vol 2 Tanaka 2004; Wild Orchids in Myanamar Vol 2 Tanaka 2004 as Paphiopedilum charlesworthii f. sandowiae; AOS Bulletin Vol 74 No 6 2005 photo fide; A field Guide to the Wild Orchids of Thailand Vaddhanaphuti 2005 photo fide; Orchid Digest Vol 70 #1 2006 photo fide; Wild Orchids in Myanamar Vol 3 Tanaka 2007; Orchids of India A Glimpse Misra 2007; AOS Bulletin vol 78 No 11 2009 photo fide; Mille et Une Mini Orchideees Roguenant 2009 photo fide; Flora of China Vol 25 Zhengyi, Raven & Deyuan 2009; Flora of China Vol 25 Illustrations Zhengyi, Raven & Deyuan 2010 drawing fide; 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 81 #10 2012 photo fide; AOS Bulletin Vol 81 #12 2012 photo fide; AOS Bulletin Vol 83 #1 2013 photo fide; Orchid Digest Vol 78 #4 2014 photo fide; AOS Bulletin Vol 83 #4 2014 photo fide; AOS Bulletin Vol 85 #9 2016 photo fide; AOS Bulletin Vol 86 #8 2017 photo fide; AOS Bulletin Vol 86 #9 2017 photo fide; AOS Bulletin Vol 87 #10 2018 photo fide; AOS Bulletin Vol 89 #2 2020 photo fide

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