A new combination in Aulonemia (Poaceae: Bambusoideae: Bambuseae) based on floral analysis, anatomical features, and distribution

被引：0
作者：
Pedro L. Viana
Tarciso S. Filgueiras
Elder A. S. Paiva
机构：
[1] Universidade Federal de Minas Gerais,Programa de Pós Graduação em Biologia Vegetal, Departamento de Botânica, Instituto de Ciências Biológicas
[2] Reserva Ecológica do IBGE,Departamento de Botânica, Instituto de Ciências Biológicas
[3] Universidade Federal de Minas Gerais,undefined
来源：
Brittonia | 2011年 / 63卷
关键词：
Arthrostylidiinae; bamboo; Bambusoideae; Brazil; leaf anatomy;
D O I：
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学科分类号：
摘要：
Recent bamboo collections from Brazil, and the study of specimens from several Brazilian herbaria revealed that the species described as Eremocaulon setosum, subtribe Guaduineae, in fact fits within the Arthrostylidiinae genus Aulonemia, based on floral and anatomical characters. Several characters found in this species, such as paniculate determinate synflorescences, solitary spikelets, an abaxial marginal green stripe on the foliage leaf blades, absence of stomata on the entire adaxial side of the leaf blade, and intercostal fibers in the mesophyll are typical features of the subtribe Arthrostylidiinae. The new combination Aulonemia setosa is here proposed, an epitype is designated, and a broader distributional range of this species is documented.
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