Jamesonia ×intermedia: A New Hybrid Between J. biardii and J. insignis (Pteridaceae) from Brazil

Aline Possamai Della; Claudine M. Mynssen; Jefferson Prado

doi:10.1640/0002-8444-110.1.20

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Aline Possamai Della,¹ Claudine M. Mynssen,² Jefferson Prado³

¹Programa de Pós-Graduação em Botânica, Instituto de Biociências, Universidade de São Paulo, Rua do Matão 277,CEP 05508-090, São Paulo, SP, Brazil, e-mail: alinepossamaidella@hotmail.com
²Instituto de Pesquisas, Jardim Botânico do Rio de Janeiro, Rua Pacheco Leão 915, CEP 22460-030, Rio de Janeiro, RJ, Brazil, e-mail: cmynssen@gmail.com
³Instituto de Botânica, Av. Miguel Estéfano 3687, CEP 04301-902, São Paulo, SP, Brazil, e-mail: jprado.01@uol.com.br

Abstract

This paper describes and illustrates a new hybrid, Jamesonia 3intermedia, from Serra dos Órgãos, Rio de Janeiro State, Brazil. The hybrid, most of whose spores are aborted, shows intermediate morphology between its putative parents (J. biardii and J. insignis) in lamina dissection, shape of the ultimate segments, and pubescence of the adaxial surface of the pinnae and rachises.

Citation Download Citation

Aline Possamai Della, Claudine M. Mynssen, and Jefferson Prado "Jamesonia ×intermedia: A New Hybrid Between J. biardii and J. insignis (Pteridaceae) from Brazil," American Fern Journal 110(1), 20-28, (5 February 2020). https://doi.org/10.1640/0002-8444-110.1.20

Published: 5 February 2020

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