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Paphiopedilum praestans (Reichenbach fil.) Pfitzer

• Described: Reichenbach fil. in Gardener's Chronicle, 2nd series, 26: 776 (1886)
• Transferred: Pfitzer in Engler, Botanische Jahrbucher, 19: 41 (1894)
• Etymology: Derived from the latin praesto, meaning excellent.
• Varieties & Forms: none
• Synonyms:
  Paphiopedilum bodegomii hort. - without official description or type specimen
  Cypripedium gardineri Guillemard in The Cruise of the Marchesa, 1st ed., 2: 309 (1886) & 2nd ed., 406 & fig. (1889) - description and drawing woefully inadequate for making any positive identification of this taxon
  Paphiopedilum striatum Clements & Jones in Lasianthera, 1(1): 2-5 (1996)
• Chromosome Count -

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

Plant Habit

• Leaves: 4-6, up to 40 cm long, 3-6 cm wide, uniformly green
• Inflorescence: 2-5 flowered, 30-50 cm long, purple-green-brown, shortly pubescent
• Bloom: 12-16 cm wide, petals distinctly twisted with basal warts
• Plant: extremely variable
  

Habitat Data

• Distribution -
  
• Elevation: sea-level - 200 m
• Peak Flowering in the Wild: November-April
• Ecology: clefts and crevices in limestone cliffs
• Mean Temperature Range: 25-26°C
• Light: light shade
• Medium: calcareous, humus and thin soil, leaf litter
• Water (D-drier, M-moderate, W-wetter) -

  Month

  Jan

  Feb

  Mar

  Apr

  May

  Jun

  Jul

  Aug

  Sep

  Oct

  Nov

  Dec

  Water

  W

  W

  W

  W

  W

  M

  M

  M

  M

  M

  M

  W

Notes:

• Significant arguments still surround this taxon's proper identification.  More info will soon be available in a discussion on the Paph. glanduliferum complex.

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.
• Garay, L.A. "A Review of the Paphiopedilum praestans Complex." Orchid Digest 59, no. 3 (Jul/Sep 1995): 100-05.
• Karasawa, K. "Karyomorphological Studies in Paphiopedilum, Orchidaceae." Bulletin of the Hiroshima Botanical Garden 2 (Mar 1979): 1979.

Primary Hybrids

Paph. glanduliferum x	Hybrid
armeniacum	Wössner Armeniglan
delenatii	Neerach
malipoense	Hideki Okuyama
bellatulum	Peg Samuel
concolor	Oklahoma
godefroyae	Charlotte Luker
niveum	Mietenkam
exul	Abbeville
fairrieanum	Paula Gum
spicerianum	Janet
villosum	Vanessa
barbatum	Barbato-Praestans
callosum	Hama Callomii
curtisii	E. Holt
lawrenceanum	Red Baroness
sukhakulii	Neeri-Glow
superbiens	Patricia Elting
urbanianum	Fourman's Mahagony
adductum	Predacious
haynaldianum	Neeri-Twist
kolopakingii	Poulsbo
lowii	Mattakesset
parishii	Neeri-Gold
philippinense	Deena Nicol
platyphyllum	Yellow Tiger
rothschildianum	Susan Booth
sanderianum	Oberhausens Rubin
supardii	Mark Eickhoff
wilhelminiae	Baby Gland
chamberlainianum	Coos
glaucophyllum	Jogjae
liemianum	Herbert Bernhart
primulinum	Prim-n-Proper
victoria-reginae	Chet Byers

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Page Created By: Stephen Manza
Last Updated: 10-23-06
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