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A contribution to the taxonomy of Piptadenia (Mimosaceae) in South America
Authors:Barneby  Rupert C
Institution:1.New York Botanical Garden, 10458-5126, Bronx, NY
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Abstract:

Four new species ofPiptadenia are described:P. anolidurus (from Amazonian Ecuador, Peru and Brazil),P. buchtienii (from trans-Andean Bolivia),P. cuzcoënsis (from southern Peru), andP. imatacae (from Venezuelan Guayana); andP. adiantoides var.peruviana J. F. Macbr. is raised in rank toP. peruviana. In relation toP. imatacae the transfer ofP. uaupensis Benth. andP. floribunda Kleinhoonte toAdenopodia Presl is shown to be ill-advised. The affinities of each new species are discussed and critical characters are illustrated.Mimosa tessmanii Harms is newly synonymized withP. uaupensis.

Keywords:
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