Phil's Orchid Site - Genus review - ONCIDIUM PLANILABRIA SECTION

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.

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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Site established 9th May 1998
Oncidium series first uploaded 20 October 1999

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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.
Remember, growing orchids is all about enjoying your plants and sharing your growing success with friends and family. Good luck and good growing.