Eleocharis guaglianoniana (Cyperaceae), a new species from southern Brazil1

This species belongs to Eleocharis subg. Eleocharis section. Eleocharis ser. Eleocharis subser. Truncatae Svenson and it is similar to Eleocharis subarticulata (Nees) Boeck., E. montevidensis Kunth and E. albibracteata Nees & Meyen ex. Kunth. The new species differs from other species of the gen...

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Bibliographic Details
Published in:The journal of the Torrey Botanical Society 2015-04, Vol.142 (2), p.186-191
Main Authors: Ferreira, João Paulo Ramos, Venturi, Silvia, Trevisan, Rafael
Format: Article
Language:English
Subjects:
endemic species
highland meadows
TORREYA
wetlands
Online Access:Get full text
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Description
Summary:This species belongs to Eleocharis subg. Eleocharis section. Eleocharis ser. Eleocharis subser. Truncatae Svenson and it is similar to Eleocharis subarticulata (Nees) Boeck., E. montevidensis Kunth and E. albibracteata Nees & Meyen ex. Kunth. The new species differs from other species of the genus Eleocharis by its cylindrical, spongy, not septate culms; emucronated sheaths with oblique apex; pauciflorus spikelets; sterile lower glume; upper glumes stramineous to light brown, membranous, smooth, with inconspicuous veins, with or without a submarginal dark brown band, hyaline margin developed and gradual from the rest of the scale; achenes plano-convex, reticulate, with pyramidal stylopodium with up to half the wide of the achene. Morphological description, illustration, data on habitat, and comparison with the similar species are presented.
ISSN:1095-5674
1940-0616
DOI:10.3159/TORREY-D-14-00078.1