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Type: Article
Published: 2023-05-19
Page range: 21-31
Abstract views: 132
PDF downloaded: 582

Zamia multidentata (Cycadales, Zamiaceae), a new arborescent species of Zamia from Acre, Brazil

Instituto Federal de Educação, Ciência e Tecnologia de Mato Grosso, Campus Cuiabá Cel. Octayde Jorge da Silva, Rua Profa. Zulmira Canavarros, 95 - CEP: 78005-200, Cuiabá, Mato Grosso, Brazil
Instituto Botânico R. Pimenta, Rua Chile, S/N - CEP 15170-000, Tanabi, São Paulo, Brazil
Montgomery Botanical Center, Coral Gables, FL, U.S.A.; Sociedad Colombiana de Cycadas, Medellín, Colombia.
Amazon Rainforest Serra do Divisor Sierra del Divisor Gymnosperms

Abstract

Zamia multidentata is described and illustrated here as a new species from the Amazon basin, state of Acre, Brazil. The new species shares morphological similarities with the Amazonian species Z. hymenophyllidia, and Z. urep, to which it is compared. The combination of slender (to 6.2 cm) caulescent stems, strongly serrulate elliptic leaflets with long acuminate tips and a pronounced adaxially raised longitudinal crease, as well as seed strobili with long peduncles (15 cm +) and flat megasporophylls distinguish the new species Zamia multidentata from all other known species in the genus.

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