THE MORPHOLOGY, TAXONOMY AND EVOLUTION OF RHODOCOMA (RESTIONACEAE)

被引：50

作者：

LINDER, HP ^{[1
]}

VLOK, JH ^{[1
]}

机构：

[1] CAPE PROV DEPT NAT CONSERVAT,DE RUST,SOUTH AFRICA

来源：

PLANT SYSTEMATICS AND EVOLUTION | 1991年 / 175卷 / 3-4期

关键词：

ANGIOSPERMS; RESTIONACEAE; RHODOCOMA; SPECIATION; PHYLOGENY; CULM ANATOMY; RHIZOME ANATOMY; MORPHOLOGY; TAXONOMY; FLORA OF AFRICA;

D O I：

10.1007/BF00937843

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

The vegetative and reproductive morphology, culm and rhizome anatomy and seed surface micromorphology of Rhodocoma are described. It is shown that this variation is best contained by recognizing three new species in the genus. These new taxa are described, and the phylogeny of the genus is investigated by cladistic analysis. The environmental parameters and distributions of the species are related to the cladogram. This suggests that the species are at present ecologically separated, and indicates that the speciation may have been sympatric. This is the first support for the hypothesis that sympatric speciation may have been important in the speciose Cape flora.

引用

页码：139 / 160

页数：22

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