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18 March 2010 Three New Species of Pseudobombax (Malvaceae, Bombacoideae) from Brazil
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Abstract

Three new species of Pseudobombax Dugand (Malvaceae, Bombacoideae) are described and illustrated based on material from Brazil. Pseudobombax minimum Carv.-Sobr. & L. P. Queiroz is not clearly related to any species of Pseudobombax from central-eastern Brazil. However, P. minimum may be promptly recognized by its extremely reduced flowers (to 6 cm long) and fruits (to 5.5 cm long), the smallest recorded for Pseudobombax to date, in combination with the glabrous androecium and the presence of phalanges. The other two new species, P. calcicola Carv.-Sobr. & L. P. Queiroz and P. parvifolium Carv.-Sobr. & L. P. Queiroz, seem to be related to P. grandiflorum (Cav.) A. Robyns based on the number of leaflets and the absence of phalanges in the androecium, but differ due to the absence of intersecondary veins, the larger ovary, and the fruits angled, but not winged.

Jefferson Guedes de Carvalho-Sobrinho and Luciano Paganucci de Queiroz "Three New Species of Pseudobombax (Malvaceae, Bombacoideae) from Brazil," Novon: A Journal for Botanical Nomenclature 20(1), 13-20, (18 March 2010). https://doi.org/10.3417/2007054
Published: 18 March 2010
JOURNAL ARTICLE
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