Paphiopedilum dayanum (Rchb. f.) Pfitzer 1895
SUBGENUS Sigmatopetalum SECTION Barbata SUBSECTION Loripetalum
Photo by © Lourens Grobler
Photo by Bob Walker
Common Name Day's Paphiopedilum [English Orchid Enthusiast]
Flower Size 4 to 5" [10 to 12.5 cm]
Found only in northeastern Borneo in leaf litter under bamboo and at the base of trees on steep ridges and on serpentine rock outcroppings at elevations of 300 to 1500 meters as a small sized, hot to cool growing terrestrial that blooms in the spring on a 12" [30 cm] long, single flowered inflorescence.
Synonyms Cordula dayana Rolfe 1912; Cordula petri (Rchb.f.) Rolfe 1912; *Cypripedium dayanum Rchb. f. 1862; Cypripedium ernestianum L.Castle 1887; Cypripedium peteri Rchb.f. 1887; Cypripedium petri Rchb.f. 1880; Cypripedium spectabile var. dayanum Lindl. 1860; Paphiopedilum dayanum var. petri (Rchb.f.) Pfitzer 1903; Paphiopedilum petri (Rchb.f.) Pfitzer 1894;
References W3 Tropicos, Kew Monocot list , IPNI ; Xenia Orchidaceae Vol 3 Reichenbach 1878 drawing fide; Die Orchideen Schlechter 1915; Atlas des Orchidees Cultivees Constantin 1920 as Cypripedium dayanum drawing fide; Encyclopedia of Cultivated Orchids Hawkes 1965; Orchid Digest Vol 38 no 3 1974 as P petri photo fide; Orchid Digest Vol 45 No 1 1981 photo fide as P petri; Orchid Digest Vol 45 No 1 1981 photo fide; Orchid Digest Vol 47 No 5 1983 photo fide; Orchid Digest Vol 48 no 5 1984 drawing fide; Orchid Digest Vol 48 no 5 1984 as P petri photo fide; Orchid Digest Vol 48 no 5 1984 drawing fide;Orchid Digest Vol 49 No 4 1985 photo fide; The Plants of Mount Kinabalu Vol 2 Orchids Beaman, Wood, Beaman & Beaman 1993 photo fide; A Checklist of the Orchids of Borneo Wood & Cribb 1994 drawing fide; Orchid Digest Vol 59 No 3 1995 photo fide; Orchid Digest Vol 59 No 4 1995 photo fide; The Genus Paphiopedilum Vol 1 & 2 Braem 1999; Rudolf Schlechter Die Orchideen Band 1C lieferung 40 pg 2492 - 2564 Brieger 2000 ; Malesian Orchid Journal Vol 3 2009 photo fide; The Orchids of Mount Kinabalu Vol 1 Wood, Beaman, Lamb, Chu Lun and Beaman 2011 drawing/photo fide; The Orchids of Mount Kinabalu Vol 2 Wood, Beaman, Lamb, Chu Lun and Beaman 2011; Orchid Digest Vol 76 #4 2012 photo fide;
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