A1 Refereed original research article in a scientific journal
Novelties in Adiantum (Pteridaceae) from South America
Authors: Jefferson Prado, Regina Y. Hirai, Alan R. Smith, Hanna Tuomisto
Publisher: BOTANISCHER GARTEN & BOTANISCHE MUSEUM BERLIN-DAHLEM
Publication year: 2017
Journal: Willdenowia
Journal name in source: WILLDENOWIA
Journal acronym: WILLDENOWIA
Volume: 47
Issue: 3
First page : 237
Last page: 242
Number of pages: 6
ISSN: 0511-9618
DOI: https://doi.org/10.3372/wi.47.47307
Self-archived copy’s web address: https://research.utu.fi/converis/portal/detail/Publication/28393729
Abstract
We describe two new species of Adiantum (Pteridaceae): A. nodosum and A. pseudocajennense. These species occur in the lowland rainforests of the Amazon Basin at 100-350 m in elevation. Both species have laminae 2-pinnate and grow on waterlogged soil in tall swamp forests, but they differ in the rhizome diameter and degree of incision of the pinnule margins. Currently available information suggests that A. pseudocajennense may be endemic to Ecuador, whereas A. nodosum has a wider distribution and is known from Brazil, Colombia and Peru. For both species we present descriptions, distribution statements, comments and illustrations.
We describe two new species of Adiantum (Pteridaceae): A. nodosum and A. pseudocajennense. These species occur in the lowland rainforests of the Amazon Basin at 100-350 m in elevation. Both species have laminae 2-pinnate and grow on waterlogged soil in tall swamp forests, but they differ in the rhizome diameter and degree of incision of the pinnule margins. Currently available information suggests that A. pseudocajennense may be endemic to Ecuador, whereas A. nodosum has a wider distribution and is known from Brazil, Colombia and Peru. For both species we present descriptions, distribution statements, comments and illustrations.
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