REVISiÓN DE LAS ESPECIES SUDAMERICANAS DEL GÉNERO PIPTOCHAETIUM (POACEAE, POOIDEAE, STIPEAE)
Darwiniana(2011)
摘要
This paper deals with a taxonomic revision of the South American species of the genus Piptochaetium . This systematic treatment ineludes a discussion of the morphological and anatomical characteristics of the genus, together with a key to identify the species treated in 2 sections: Podopogon (Raf.) Parodi (13 species) and Piptochaetium (14 species, 2 subspecies and 2 varieties). For each species, a description, synonymy, geographical distribution, illustrations and photographs of the characters with taxonomical value are given. Some species, varieties or forms have been reduced to synonymy: P. panicoides f. subpapillosum, P. grisebachi , P. stipoides var. chaetophorum , P. stipoides var. parviflorum , P. stipoides var. purpurascens , P. stipoides var. verruculosum and P. uruguense var. microcarpum .
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关键词
poaceae,anatomy,taxonomy
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