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Taxonomic Changes in the South American Genus Bocoa (Leguminosae-Swartzieae): Reinstatement of the Name Trischidium, and a Synopsis of Both Genera

H. E. Ireland
Kew Bulletin
Vol. 62, No. 2 (2007), pp. 333-349
Published by: Springer on behalf of Royal Botanic Gardens, Kew
Stable URL: http://www.jstor.org/stable/20443359
Page Count: 17
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Taxonomic Changes in the South American Genus Bocoa (Leguminosae-Swartzieae): Reinstatement of the Name Trischidium, and a Synopsis of Both Genera
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Abstract

Results from previous studies using DNA sequence analysis, phytochemistry, morphology and wood anatomy have suggested a division in Bocoa Aublet. In this paper, a detailed morphological study strongly supports a divide. The generic name Trischidium Tulasne is reinstated and five species of Bocoa (B. alterna (Benth.) R. S. Cowan, B. decipiens R. S. Cowan, B. limae R. S. Cowan, B. mollis (Benth.) R. S. Cowan and B. racemulosa (Huber) R. S. Cowan) are transferred into it. Bocoa prouacensis Aublet, the type species of the genus, and B. viridiflora (Ducke) R. S. Cowan remain in Bocoa, and a new species, B. ratteri H. E. Ireland, is described. A synopsis of Trischidium and of Bocoa, with keys to genera and species, are presented.

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