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Paphiopedilum charlesworthii (Rolfe) Pfitzer

• Described: Rolfe in Orchid Review, 1(10): 303 (1893)
• Transferred: Pfitzer in Engler, Botanische Jahrbucher, 19: 40 (1894)
• Etymology: Named for J. Charlesworth of the English nursery Charlesworth, Shuttleworth & Co., which introduced the species to Europe.
• Varieties & Forms:
  Paphiopedilum charlesworthii fma. sandowiae Braem in Orchidees. Culture et Protection, No. 36: 35-38 (1998) - albino form
• Synonyms: none
• Chromosome Count -

  2n =	metacentrics	telocentrics	n.f.
  26	26	0	52

Plant Habit

• Leaves: 4-6, up to 15 cm long, 3 cm wide, above green, below pale green spotted purple at the base
• Inflorescence: 1-flowered, 8-15 cm long, pale green with maroon spots, shortly pubescent
• Bloom: up to 9 cm wide
• Plant:

  plant in bloom	Lindenia Plate

Habitat Data

• Distribution -
  
• Elevation: 1200-1600 m
• Peak Flowering in the Wild: September-October
• Ecology: high, steep, isolated limestone peaks
• Mean Temperature Range: 12-22°C
• Light: light-moderate shade
• Medium: calcareous, roots clinging to the rocks, sometimes without medium
• Water (D-drier, M-moderate, W-wetter) -

  Month

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Notes:

• From Van Der Cingle, 2001: "According to Banzinger (1994) the pinkish violet colour mimics that of rewarding flowers like Cammanica and Clerodendrum urticifolium which grow in the vicinity. Apic cerana bees were repeatedly seen to fly to the orchid after visiting such flowers. They always flew away, however, without alighting. One hoverfly has been observed acquiring pollinia, attracted at close range by the white staminode and its yellow protuberance to which the pollinator flies."

Sources:

• Braem, Guido J., and Guy Chiron. Paphiopedilum. Saint-Genis Laval, France: Tropicalia, 2003.
• Cribb, Phillip J. The Genus Paphiopedilum. Kota Kinabalu, Malaysia: Natural History Publications in association with Royal Botanic Gardens, Kew, 1998.
• Gruss, O. "Albino Forms of the Slipper Orchids." Orchid Digest 69, no. 4 (Oct/Dec 2005): 204-29.
• Hooker, J.D. "Cypripedium charlesworthii. Native of Arracan." Curtis's Botanical Magazine 121 (1895): Tab. 7416. <view article>
• Karasawa, K. "Karyomorphological Studies in Paphiopedilum, Orchidaceae." Bulletin of the Hiroshima Botanical Garden 2 (Mar 1979): 1979.
• Van Der Cingel, N.A. An Atlas of Orchid Pollination. Rotterdam: A.A. Balkema, 2001.

Primary Hybrids

Paph. charlesworthii x	Hybrid
delenatii	Bayeux
bellatulum	Dora Crawshaw
godefroyae	Princess Sangwan
niveum	Eos
boxallii	Elsie
druryi	E. Rogerson
exul	Daphne
fairrieanum	Jessie
gratrixianum	Justa Doll
helenae	Wössner Helene
henryanum	Doll's Kobold
hirsutissimum	Erubescens
insigne	Elmireanum(1899), Hitchinsiae(1899)
spicerianum	Memnon
tigrinum	Charlie Tiger
villosum	Wrigleyi
argus	Ian Hamilton
barbatum	Lumsdenii
callosum	Rosita
ciliolare	Villebois-Mareuil
curtisii	Rachel
dayanum	Helen
hennisianum	Georges Morel
hookerae	Hookerbaecrook
lawrenceanum	Decipiens
purpuratum	Faunus
sukhakulii	Sue Worth
superbiens	Evadne
tonsum	Nellie
virens	Tinfire
haynaldianum	Balthazar
lowii	Quadriga
parishii	Aries Krystal Lyn
sanderianum	Edmond Samuel Ritter
stonei	Neeri-Candy
chamberlainianum	Mrs. Sutton Willoughby
glaucophyllum	Prelude
liemianum	Paige Amorteguy
primulinum	Pale Face
victoria-reginae	Old Spice

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Page Created By: Stephen Manza
Last Updated: 7-22-06
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