Two new species of Pleroma (Melastomataceae) from Espírito Santo, Brazil

We describe two new species of Pleroma (Melastomataceae) from the state of Espírito Santo, Brazil. Pleroma fragae can be recognized by the combination of glabrous styles and both cycles of stamens that have glandulose connectives. This species also has an arboreal habit, hypanthium and sepals that a...

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Bibliographic Details
Published in:Brittonia 2016-03, Vol.68 (1), p.37-45
Main Authors: Goldenberg, Renato, Kollmann, Ludovic J. C.
Format: Article
Language:English
Subjects:
Biomedical and Life Sciences
Life Sciences
Plant Anatomy/Development
Plant Ecology
Plant Physiology
Plant Sciences
Plant Systematics/Taxonomy/Biogeography
Taxonomy
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Description
Summary:We describe two new species of Pleroma (Melastomataceae) from the state of Espírito Santo, Brazil. Pleroma fragae can be recognized by the combination of glabrous styles and both cycles of stamens that have glandulose connectives. This species also has an arboreal habit, hypanthium and sepals that are hispid-strigose and eglandulose, and subisomorphic stamens, with filaments that have glandular trichomes. Pleroma leopoldinensis can be recognized by the glabrous adaxial surface of the leaves (except on the nerves), non-confluent veins, well developed, apical inflorescences, and glabrous hypanthia, filaments, connectives and styles. In addition, the ovary has five appendages on its apex, these covered with eglandular trichomes. Both species are endemic to Espírito Santo, and both grow in vegetation associated with inselbergs, but P. leopoldinensis can also be found in open vegetation along roadsides. We provide a map, drawings, photos and conservation status assignments for both species.
ISSN:0007-196X
1938-436X
DOI:10.1007/s12228-015-9390-4