A New Species of Tarigidia (Poaceae, Panicoideae, Paniceae) from Puerto Rico and Additional Evidence for a Hybrid Origin of the Genus

被引：4

作者：

Vega, Andrea S. ^{[1
]}

Rugolo de Agrasar, Zulma E. ^{[2
]}

Axelrod, Franklin S. ^{[3
]}

机构：

[1] Univ Buenos Aires, Fac Agron, Catedra Bot Agr, Buenos Aires, DF, Argentina

[2] Inst Bot Darwin, Buenos Aires, DF, Argentina

[3] Univ Puerto Rico, Fac Ciencias Nat, Herbario Dept Biol, San Juan, PR 00936 USA

来源：

SYSTEMATIC BOTANY | 2010年 / 35卷 / 01期

关键词：

Anthephora; Digitaria; hybrid origin; phylogeny; Tarigidia;

D O I：

10.1600/036364410790862524

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

A new species of Tarigidia from Puer to Rico is described and illustrated. Additional a micromorphological characters of the inflorescence and spikelets are included. This species constitutes the first report of the genus Tarigidia in the New World. Tarigidia axelrodii together with Anthephora hermaphrodita and Digitaria bicornis, showing intermediate characters. This species gives additional evidence to support port Loxton's hypothesis that Tarigidia is derived from hybridization between Anthephora and Digitaiia and also supports the phylogenetic hypothesis showing close relationships between Anthephora and Digitaria.

引用

页码：96 / 101

页数：6

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