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Paphiopedilum mastersianum (Reichenbach fil.) Stein

• Described: Reichenbach fil. in Gardener's Chronicle, 2nd series, 12: 102, (1879)
• Transferred: Stein in Stein's Orchideenbuch, 477 (1892)
• Etymology: Named for Maxwell T. Masters, editor of Gardener's Chronicle.
• Varieties & Forms: none
• Synonyms: none
• Chromosome Count -

  2n =	metacentrics	telocentrics	n.f.
  36	16	20	52

Plant Habit

• Leaves: 4-6, 18-30 cm long, 3-5 cm wide, faintly mottled dark and pale green
• Inflorescence: 1-flowered, 15-30 cm long, maroon, densely pubescent
• Bloom: 8-10 cm wide; Peterson (1996) lists two color forms, (i) a copper-toned bloom from Ambon and (ii) a reddish-purple bloom from Ceram
• Plant:

  Lindenia Plate

Habitat Data

• Distribution -
  
• Elevation: 900-2000 m
• Peak Flowering in the Wild: ?
• Ecology: cracks on steep cliff faces
• Mean Temperature Range: 16-18°C
• Light: moderate shade
• Medium: humus
• Water (D-drier, M-moderate, W-wetter) -

  Month

  Jan

  Feb

  Mar

  Apr

  May

  Jun

  Jul

  Aug

  Sep

  Oct

  Nov

  Dec

  Water

  M

  M

  M

  W

  W

  W

  W

  W

  W

  M

  D

  M

Notes:

• From Van Der Cingel (2001): "P. lowii and P. mastersianum show autogamy by structural modification in which pollinia and stigma develop in contact."

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. "Paphiopedilum mastersianum. Native of Java." Curtis's Botanical Magazine 124 (1898): Tab. 7629. <view article>
• Karasawa, K. "Karyomorphological Studies in Paphiopedilum, Orchidaceae." Bulletin of the Hiroshima Botanical Garden 2 (Mar 1979): 1979.
• Peterson, Kenneth E. "Paphiopedilum mastersianum - Past, Present, and Future." American Orchid Society Bulletin 54, no. 4 (Apr 1985): 398-401.
• Van Der Cingel, N.A. An Atlas of Orchid Pollination. Rotterdam, Netherlands: A.A. Balkema, 2001.

Primary Hybrids

Paph. mastersianum x	Hybrid
armeniacum	Michael Gibson
bellatulum	Hopkinsianum
niveum	Prince Humbert
druryi	Master Druid
exul	Mastersio-Exul
fairrieanum	Terry Busco
gratrixianum	Entente Cordiale
henryanum	Master Henry
insigne	Albanense
villosum	Mastersio-Villosum
appletonianum	Apple-Master
argus	Argo-mastersianum(1905), Upcheri(1905)
barbatum	Endymion
bullenianum	Jane Culver
callosum	Pytho
ciliolare	Memoria Maurice Powers
curtisii	Cypheri
dayanum	Shakamaxon
hennisianum	Hawaii Wings
hookerae	Xanthophyllum
javanicum	William W. Wilson
lawrenceanum	William Mathews
sukhakulii	Duguesclin
tonsum	Tantalus
urbanianum	Urban Master
venustum	John Sadler
violascens	John Doherty
virens	Pond Walker
kolopakingii	Lawless Jungle Fever
philippinense	Master Philipp
rothschildianum	Dellense
chamberlainianum	Statherianum
glaucophyllum	Höchbergianum
primulinum	Sauvie Island Prince
victoria-regina	Master Link

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