Difference between revisions of "Oncidium"
Kongl. Vetensk. Acad. Nya Handl. 21: 239. 1800.
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name=Oncidium | name=Oncidium | ||
| − | |author=Mark W. ChaseChase; Mark W. | + | |author=Mark W. ChaseChase;Mark W. |
|authority=Swartz | |authority=Swartz | ||
|rank=genus | |rank=genus | ||
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|publication year=1800 | |publication year=1800 | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V26/V26_1333.xml |
|subfamily=Orchidaceae subfam. Epidendroideae | |subfamily=Orchidaceae subfam. Epidendroideae | ||
|tribe=Orchidaceae tribe Maxillarieae | |tribe=Orchidaceae tribe Maxillarieae | ||
Latest revision as of 22:13, 5 November 2020
Herbs, epiphytic or terrestrial, ± cespitose. Stems pseudobulbs, green, ovoid. Leaves persistent, 1–3, not recurved; blade conduplicate, linear-lanceolate, dorsiventrally flattened, margins entire. Inflorescences paniculate racemes, lateral branches to 10[–42] cm; bracts narrowly triangular. Flowers resupinate; sepals and petals distinct and free, oblong-elliptic, obovate to nearly quadrangular or nearly circular, apex retuse to obtuse, sometimes apiculate; lip pandurate, 3-lobed; callus prominent warty-tuberculate-fringed; column with wings, arms, or fingerlike projections; stigmatic cavity ± round; rostellum not prominent. Fruits capsules.
Distribution
Tropical and subtropical, Western Hemisphere.
Discussion
Species 800 (1 in the flora).
Oncidium is a large polymorphic, and probably paraphyletic, assemblage.