Paphiopedilum sukhakulii Schoser & Senghas 1965

SUBGENUS Sigmatopetalum SECTION Planipetalum

Photo by Jay Pfahl

to LATE till

Common Name Sukhakul's Paphiopedilum [Thai Orchid Collector current] - In Thailand Rongthao nari pik malaeng po, Rongthao nari sukhakan

Flower Size 5 3/4" [14 cm]

Found in northeastern Thailand as a small sized, hot to warm growing, humus epiphyte at elevations of 240 to 1000 meters in sandy loam and leaf mold along streams in dappled to moderate shade with to 6, narrowly elliptic, pale and dark green mottled leaves that are trifid apically that blooms in the late winter and spring on an erect, terminal, to 10" [25 cm] long, purple brown and white haired, single flowered inflorescence with a green, ovate floral bract that is 1/3 the length of the ovary.

At lower elevations of it's range it is often found growing with P. callosum.

Synonyms Paphiopedilum sukhakulii f. aureum Van Delden ex O.Gruss 1999

References W3 Tropicos, Kew Monocot list , IPNI ; AOS Bulletin Vol 36 #7 1967 as Cypripedium sukhakulii photo fide; AOS Bulletin Vol 38 No 1 1969 photo fide; Die Orchideen 3 Auflage Bd 1 Sonderabdruck aus Schlechter Lieferung 3 129 to 192; Brieger, Maatsch and Senghas 1971 photo fide; Botanisk Tidsserift 67: 76-127 Contributions to the Orchid Flora of Thailand IV Seidenfaden 1972 drawing fide; Beautiful Thai Orchid Species Kamemoto & Sagarik 1975 photo fide; AOS Bulletin Vol 48 No 10 1979 photo; Orchid Digest Vol 45 No 1 1981 photo fide; AOS Bulletin Vol 51 No 10 1982 photo fide; AOS Bulletin Vol 56 No 3 1987 photo fide; AOS Bulletin Vol 56 No 12 1987 drawing fide; Thai Orchid Species Rakpaibulsombat 1992 photo fide; The Manual Of Cultivated Orchid Species Bechtel, Cribb & Launert 1992 photo fide; Phylogeny and Classification of the Orchid Family Dressler 1993 photo fide; AOS Bulletin No 63 No 12 1994 photo fide; Orchid Digest Vol 59 No 3 1995 photo fide; Orchid Digest Vol 62 #3 1998 photo fide; 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; AOS Bulletin Vol 73 No 6 2003 photo fide; AOS Bulletin Vol 73 #3 2004 photo fide; 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 3 2006 photo fide; AOS Bulletin Vol 75 No 6 2006 as P sukhakulii f album photo fide; AOS Bulletin Vol 76 No 5 2007 as P sukhakulii f album photo fide; AOS Bulletin Vol 80 #4 2011 photo fide; Flora Of Thailand Orchidaceae Vol 12 Part 1 Pedersen, Kurzweil, Suddee & Cribb 2011 drawing/photo fide; Orchid Digest Vol 76 #4 2012 photo fide; AOS Bulletin Vol 85 #1 2016 photo fide; AOS Bulletin Vol 85 #2 2016 photo fide; AOS Bulletin Vol 85 #4 2016 photo fide; Orchid Digest Vol 81 #2 2017 photo fide; AOS Bulletin Vol 86 #2 2017 photo fide; AOS Bulletin Vol 86 #3 2017 photo fide; Orchid Digest Vol 88 #4 2019 photo fide; AOS Bulletin Vol 88 #9 2019 photo fide;

Paphiopedilum sukhakulii fo. aureum Van Delden ex O. Gruss 1999

References W3 Tropicos, Kew Monocot list , IPNI ; Australian Orchid Review Vol 65 No 6 2000 photo

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