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

被引：16
作者：
Viana, Pedro L. [1 ]
Filgueiras, Tarciso S. [2 ]
Paiva, Elder A. S. [3 ]
机构：
[1] Univ Fed Minas Gerais, Inst Ciencias Biol, Dept Bot, Programa Pos Grad Biol Vegetal, BR-31270901 Belo Horizonte, MG, Brazil
[2] Reserva Ecol IBGE, BR-70312970 Brasilia, DF, Brazil
[3] Univ Fed Minas Gerais, Inst Ciencias Biol, Dept Bot, BR-31270901 Belo Horizonte, MG, Brazil
来源：
BRITTONIA | 2011年 / 63卷 / 01期
关键词：
Aulonemia; Arthrostylidiinae; bamboo; Bambusoideae; Brazil; Eremocaulon; leaf anatomy; GUADUINAE;
D O I：
10.1007/s12228-010-9138-0
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
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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页码：102 / 112
页数：11
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