期刊
PHYTOTAXA
卷 568, 期 1, 页码 83-91出版社
MAGNOLIA PRESS
DOI: 10.11646/phytotaxa.568.1.6
关键词
Andapa; Antsiranana; filmy ferns; Western Indian Ocean
资金
- ATM MNHN Biodiversite Actuelle et Fossile
- ATM MNHN Genomique Collections
A new species of Abrodictyum genus, named Abrodictyum inexpectatum sp. nov., has been discovered in Madagascar through morphological and molecular phylogenetic analysis. This new species differs from its closely related species A. franceae in size, ultimate segment width, and leaf morphology.
The fern genus Abrodictyum (Hymenophyllaceae) is thought to have at least seven species in the Afro-Malagasy region. But morphological re-examination of uncommon specimens, comparison with supposedly related taxa, and a new molecular phylogenetic analysis clearly led to recognize an additional species for Madagascar. We here describe this new species as Abrodictyum inexpectatum sp. nov. Morphologically, the new species differs from the closely related and sympatric A. franceae by its smaller size, narrower ultimate segments and the plane fronds in the wild, vs. crispate for A. franceae. We provide a modified key to all eight species ofAbrodictyum now recognized in the Afro-Malagasy region.
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