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(Last Modified On 1/18/2013)
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(Last Modified On 1/18/2013)
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Genus
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PERISTERIA Hook.
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PlaceOfPublication
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Bot. Mag. t. 3116. 1831
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Reference
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Benth. & Hook. Gen. Pl. 3:550. 1883.
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Synonym
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Peristera Endl. Gen. Pl. 199. 1837. Eckardia Rchb. ex Endl. Gen. Pl. Suppl. 2:17. 1842.
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Description
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Epiphytic or terrestrial herbs, with stout ovoid or subconic pseudobulbs, the apex with 1-5 broad, elliptic-lanceolate, plicate leaves which are often deciduous. Inflorescences tall erect or short pendent racemes from the base of the pseudobulbs. Flowers fleshy, subglobose, relatively large and conspicuous. Sepals fleshy, sub- equal, broadly concave, the dorsal sepal usually free, the laterals somewhat con- nate at the base. Petals subequal to the sepals, but smaller. Lip very fleshy, with a broadly concave basal claw or hypochile which is adnate to or continuous with the base of the column, with or without a fleshy central callus, with or without elongate, erect, lateral wings; apical portion or epichile entire, articulated with the hypochile, inflexed or incumbent, lateral margins erect, spreading or retuse; disk with or without a fleshy ventricose or 2-keeled callus. Column erect, short, stout, subterete, without a foot, with or without elongate lateral projections. Anther terminal, operculate, incumbent, imperfectly 2-celled; pollinia 2, waxy.
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Note
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About six species of robust epiphytic or terrestrial herbs ranging from Costa Rica and Panama to Surinam and Peru. The single terrestrial species, Peristeria elata, is the only member of the genus known to occur in Panama. All the others are South American epiphytes with pendent flower scapes reminiscent of Acineta.
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