Paphiopedilum delenatii Guillaumin 1924 SUBGENUS Parvisepalum Karasawa & Saito 1982 Photo by Jay Pfahl

Alba Form Photo by Timothy Choltco

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Common Name Delanat's Paphiopedilum [French Orchid Enthusiast 1900's] - In China De Shi Dou Lan

Flower Size 4" [8 cm]

A small sized, warm to cool growing southern Vietnamese terrestrial and lithophytic species with mottled leaves that grows in broadleaf, evergreen lowland forests or primary highland cloud forests on soils rich in silicates or acidic soils or mossy crevasses on eastern or southern facing granite or gneiss slopes above rivers and streams in partial shade at elevations of 750 to 1500 meters with 5 to 7, narrowly elliptic to oblong elliptic, distichous, light green and veined and mottled dark green, purple spotted beneath, obtuse and minutely unequally trilobed apically leaves and is a late fall, winter [Most often December] to early spring bloomer with 1 or 2 [rarely 3] apical flowers on an erect, 8 3/4" [22 cm] long, pubescent, reddish inflorescence.

This orchid species requires less watering from January through May and water heavy from June through December, but not kept damp, and even fertilizer throughout the year.

Synonyms Cypripedium delenatii [Guillame] Curtis 1933; Paphiopedilum delenatii f. albinum Braem 1998; Paphiopedilum delenatii f. lutescens Grell & Gunzenh. 2010; Paphiopedilum delenatii f. vinicolor O.Gruss & Roeth 2007

References W3 Tropicos, Kew Monocot list IPNI ; AOS Bulletin Vol 32 No 3 1963 photo as Cypripedium delanati; Orchid Digest Vol 36 No 2 1972 photo fide; Orchid Digest Vol 37 No 4 1973 photo fide; AOS Bulletin Vol 47 No 9 1978 photo; Orchid Digest Vol 44 No 5 1980 photo fide; Orchid Digest Vol 48 No 3 1984 photo fide; AOS Bulletin Vol 55 No 7 1986 photo; Orchid Digest Vol 51 No 2 1987 photo fide; Schlechteriana Vol 2 No 2 1991 photo; Orchid DIgest Vol 56 No 1 1992 photo; Orchid Digest Vol 58 No 2 1994 photo fide; Orchid Digest Vol 59 No 3 1995 photo fide; The Genus Paphiopedilum Vol 1 & 2 Braem 1999; Australian Orchid Review Vol 65 No 6 2000 photo as P delanati f albinum; Rudolf Schlechter Die Orchideen Lieferung 39 2000; Australian Orchid Review Vol 70 No 4 2005 as P delanati f album; AOS Bulletin Vol 10 2008 photo; Orchids of Vietnam, Illustrated survey, part 1 Averyanov 2008; 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 photo fide; A to Z of South East Asian Orchid Species Vol 2 O'Byrne 2011 photo fide

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