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- Title
Neotropical species of the Adiantum raddianum group (Pteridaceae).
- Authors
Hirai, Regina Y.; Prado, Jefferson
- Abstract
As recently demonstrated, the group of Adiantum raddianum is monophyletic and can be recognized by round-reniform indusia and veins ending in sinuses at the sterile segment margins. The most related species belong to the A. poiretii group, which is morphologically distinct by the oblong to lunate indusia. In the A. raddianum group sixteen species are recognized in the present work. Among these species, A. patens s.l. is the unique species that occurs in Africa outside the neotropical region. Adiantum raddianum is the broadest distributed species of the group, widely cultivated globally, and it has become naturalized in the Paleotropics and other regions. Typifications are presented for two accepted names: A. lorentzii and A. ruizianum. Several other typifications are also presented for synonymized species. Adiantum alan-smithii, A. galeottianum, A. imbricatum, A. lobatum, A. ruizianum, A. shepherdii and A. subvolubile are species with restricted distributions occurring only in one or two countries. An identification key, as well as descriptions, synonymies, discussion on morphology and taxonomy, illustrations and a list of specimens examined are provided. Citation: Hirai R. Y. & Prado J. 2019: Neotropical species of the Adiantum raddianum group (Pteridaceae). – Willdenowia 49: 295–317. doi: https://doi.org/10.3372/wi.49.49302 Version of record first published online on 26 November 2019 ahead of inclusion in December 2019 issue.
- Subjects
AFRICA; ADIANTACEAE; SPECIES distribution; SPECIES; INTERNET publishing; BIOLOGICAL classification; BROMELIACEAE
- Publication
Willdenowia, 2019, Vol 49, Issue 3, p295
- ISSN
0511-9618
- Publication type
Article
- DOI
10.3372/wi.49.49302