期刊
SYSTEMATIC BOTANY
卷 38, 期 4, 页码 1076-1086出版社
AMER SOC PLANT TAXONOMISTS
DOI: 10.1600/036364413X674823
关键词
Gramineae; grasses; Parviglumia; phylogeny; taxonomy
资金
- ANPCyT (Agencia Nacional de Promocion Cientifica y Tecnica, Argentina) [32664, 01286]
- CONICET [11220100100207]
Taxonomic features of species of Panicum section Parviglumia are reviewed and compared with those of other taxa in tribe Paniceae. The new genus Morronea, including six species ranging from Mexico to Argentina, is proposed on the basis of morphological and molecular characters. They are plants growing at forest edges, with membranous-ciliate ligules, lower glume reduced, 1/6 to 1/4 the spikelet length, lower palea and lower flower absent, and upper anthecium indurate with simple papillae and conspicuous macrohairs all over its surface. The new combinations: Morronea arundinariae, M. cayoensis, M. guatemalensis, M. incumbens, M. parviglumis, and M. trichidiachnis are proposed and the new genus is compared with other genera of the tribe Paniceae.
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