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iNat·884515subgenusPlantae487 field observations
  1. Plants
  2. ›Vascular Plants
  3. ›flowering plants
  4. ›monocots
  5. ›Agaves, Orchids, Irises, and Allies
  6. ›Orchids
  7. ›Higher Epidendroid Orchids
  8. ›Cymbidieae
  9. ›Oncidium Alliance Orchids
  10. ›Oncidium
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Sigmatostalix

Oncidium is a genus of about 370 species of orchid in the family Orchidaceae. It is distributed across tropical and subtropical America from Mexico, Central America and the West Indies to northern Argentina, with one species (O. ensatum) extending into Florida. Common names for plants in this genus include dancing-lady orchid.

A molecular phylogenetic study published in 2009 labeled the Oncidium alliance "grossly polyphyletic." In the same year, the American Orchid Society labeled the genus a "dumping ground". A consensus announced in April 2013 resulted in major taxonomic changes to Oncidium, Gomesa, Odontoglossum, Miltonia, and others. Much of this debate and subsequent housekeeping was initiated by significant research for the scientific publication Genera Orchidacearum Volume 5. One significant change is the move of most Brazilian Oncidium with a fused lateral sepal to the genus Gomesa.

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Where it lives

Recorded sightings

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geo-referenced records in GBIF, from museums, herbaria and field observers.

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Every page naming Sigmatostalix in the Biodiversity Heritage Library →

This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 884515.