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Paphiopedilum hookerae var. volonteanum (Sander) Braem

• Described: Sander in Gardener's Chronicle, 3rd series, 8: 7 (1890, List of awards)
• Transferred: Braem in Paphiopedilum: 147 (1988)
• Etymology: unknown, from Braem (2003): "It is assumed that the designation refers to one of Sander's customers."
• Varieties & Forms:
  Paphiopedilum hookerae var. volonteanum fma. sandowii (Braem in Orchidees. Culture et Protection, 36: 35-38 (1998)) Gruss in Caesiana 12: 63 (1999) - albino form
• Synonyms: none
• Chromosome Count - unknown

Plant Habit

• Leaves: proportionately narrower than the typical variety, below with variable amounts of purple spotting
• Bloom: petals broader and more obtuse than typical variety, slight constriction below the mouth of the lip
• Plant: found almost exclusively as single growth in situ

Habitat Data

• Distribution -
  
• Elevation: 60-2300 m
• Peak Flowering in the Wild: April-May
• Ecology: near water seepages on serpentine cliffs
• Mean Temperature Range: 10-22°C
• Light: light-moderate shade
• Medium: leaf and needle detritus
• Water (D-drier, M-moderate, W-wetter) -

  Month

  Jan

  Feb

  Mar

  Apr

  May

  Jun

  Jul

  Aug

  Sep

  Oct

  Nov

  Dec

  Water

  M

  D

  M

  M

  W

  W

  M

  M

  W

  W

  W

  W

Notes:

• The extreme altitudinal range results in Paph. volonteanum being found in a wide variety of habitats.

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.
• Fowlie, J.A., and T. Lamb. "Malaya Revisited XXV, Paphiopedilum volonteanum (Sand.) Stein Rediscovered in Very Peculiar Habitats of North Borneo." Orchid Digest 48, no. 2 (Mar/Apr 1984): 59-66.
• Gruss, O. "Albino Forms of the Slipper Orchids." Orchid Digest 69, no. 4 (Oct/Dec 2005): 204-29.

Primary Hybrids - register as Paph. hookerae

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Page Created By: Stephen Manza
Last Updated: 7-23-06
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