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The Oncidium Section PLANILABRIA
The 16 species are collectively distinguished by their spreading sepals and petals. The lateral
sepals are free, longer than the lip. The lip is always with an entire isthmus, the disc with an uneven number
of tubercules. The rostellum is short.2
The species included in this grouping are abruptum, aloisii, anthocrene,
bidentatum, hirundo, jacquinianum, millianum, nigratum, panduratum, panduriforme, pardothyrsus, phymatochilum,
planilabre, powellii, tetrotis, and vernixium.
Oncidium phymatochilum
One. anthocrene is a curious species, having oblong pseudobulbs
100 to 150 mm long, compressed and two leaved. The flowers are about 50 mm across, in large
upright branched spikes 1 to 1 1/2 metres
high. The sepals and petals are chocolate brown in colour, barred yellow towards their base, much undulated. The
lip is yellowish, the side lobes spotted brown. Summer flowering, the species is native of Peru. 6 Cool growing.
0nc., nigratum is a very pretty little species producing large branched
panicles of small starry flowers which have petals and sepals which are white, barred dark blackish brown, the
lip being yellow with pale cinnamon spots.7 The flower spikes can reach 3 to 5
metres long. Native of Guinea, it has been cultivated since 1884. 6 This is indicated
as requiring warm growing conditions.
These species come from northern South America (Brazil, Peru, and Colombia).
Limited cultural information is available, and what is available indicates that the individual species come from
a range of habitats, and are require a range of contidions, some being cool, others warm growing.
* ONCIDIUM SLIDE SHOW *
A SERIES OF PHOTOGRAPHS OF ONCIDIUM ORCHIDS- click
on above link
A schedule of flowering times for the Crispa Section oncidiums is available on the follwing link
Crispa Section flowering times
Remember,
growing orchids is all about enjoying your plants
and sharing your growing success with friends and family.
Good luck and good growing.
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