This study expands our previous work on subtribes Maxillariinae, Oncidiinae, Zygopetalinae, and Stanhopeinae.

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INTRODUCTION TO ONCIDIINAE

This page is under construction and will eventually contain photos of a large number of species of Oncidiinae, but until then check out the LINKS to find other sites with photos and information on Oncidiinae, or visit this site's HOME page to see a number of photos of species of Oncidiinae.

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Our highly trained staff of orchidologists. Left to right: Robert L. Dressler (now located at the Lankester Botanical Garden in Costa Rica), Norris H. Williams (seated), and W. Mark Whitten. Photo by Lotte Skov.

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Representatives of major clades of core Oncidiinae- part 1.

Figure 1. Various genera and species of Oncidiinae displaying hypothetical mimicry of yellow Malpighiaceae flowers.

A) Malpighia sp.; B) Psychopsiella limminghei; C) Grandiphyllum auriculatum; D) Trichocentrum nanum; E) Trichocentrum cebolleta; F) Trichocentrum ascendens; G) Rossioglossum ampliatum; H) Lockhartia lepticaula; I) Fernandezia ecuadorensis; J) Vitekorchis excavata; K) Oncidium cultratum; L) Oncidium obryzatum; M) Oncidium sp.; N) Oncidium sphacelatum; O) Oncidium heteranthum; P) Gomesa gardneri; Q) Gomesa insignis; R) Gomesa longipes; S) Otoglossum harlingii; T) Otoglossum scansor; U) Erycina pusilla; V) Nohawilliamsia orthostates; W) Zelenkoa onusta; X) Tolumnia urophylla; Y) Tolumnia quadriloba.

Photos by W. Mark Whitten.

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Representatives of major clades of core Oncidiinae- part 2.

Figure 2. Oncidiinae displaying various pollination syndromes.

Row 1 A-E: Hypothetical purple Malpighiaceae mimics. A) Malpighia glabra; B) Oncidium sotoanum; C) Cyrtochilum edwardii; D) Tolumnia hawkesiana; E) Cyrtochilum ioplocon;

Rows 2 (all) and 3 K-O, Oncidiinae that secrete oil from localized elaiophores: F) Lockhartia longifolia; G-H) Cyrtochilum serratum (arrow denotes elaiophore); I-J) Oncidium cheirophorum (arrow denotes elaiophore); K) Ornithocephalus cochleariformis; L) Ornithocephalus dalstroemii; M) Ornithocephalus dressleri; N) Phymatidium falcifolium; O) Oncidium sp.; (Sigmatostalix clade);

Row 4 P-S, putative hummingbird-pollinated species: P) Fernandezia subbiflora; Q) Brassia aurantiaca; R) Brassia andina; S) Oncidium (Cochlioda) beyrodtioides;

Row 4 T-U, pseudocopulatory species: T) Tolumnia henekenii; U) Trichoceros antennifer;

Row 5 V-Y, species pollinated by nectar-foraging insects: V) Trichocentrum longicalcaratum; W) Comparettia macroplectron; X) Rodriguezia sp.; Y) Trichopilia rostrata;

Row 5,Z: floral fragrance reward flower pollinated by male euglossine bees: Z) Macroclinium dalstroemii.

Photo E courtesy Guido Deburghgraeve; all others by Mark Whitten.

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Species of Oncidiinae

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Brassia aurantiaca	Brassia (Brachtia) andina	Brassia sp.	Cischweinfia popowiana	Oncidium (Cochlioda) beyrodtioides	Comparettia (Diadenium) micrantha	Comparettia macroplectron
Comparettia (Scelochilus) tungurahuae	Cuitlauzina pendula pink form	Cyrtochiloides riopalenqueana	Cyrtochilum aff. ixioides	Cyrtochilum annulare detail	Cyrtochilum edwardii
Cyrtochilum ioplocon	Cyrtochilum macranthum	Cyrtochilum (Dasyglossum) sp.	Cyrtochilum leopoldianum	Cyrtochilum macranthum	Cyrtochilum sp.

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