An unusual new species of Oxalis (Oxalidaceae) from the Knersvlakte, South Africa

被引：17
|
作者：
Oberlander, K. C. [1 ]
Dreyer, L. L. [1 ]
Curran, H. R. [1 ]
机构：
[1] Univ Stellenbosch, Dept Bot & Zool, ZA-7602 Matieland, South Africa
来源：
SOUTH AFRICAN JOURNAL OF BOTANY | 2009年 / 75卷 / 02期
关键词：
New species; Oxalidaceae; Oxalis ericifolia; Palynology; Phylogeny; South Africa; Taxonomy;
D O I：
10.1016/j.sajb.2008.11.004
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
Oxalis ericifolia differs from all other southern African Oxalis in having massive papillate protrusions on the adaxial leaflet epidermis, broadly swollen peduncular articulations, a wine-red androecium and an extremely short petal claw, less than one fifth the length of the total petal. Other unusual features include the red colour of the claw and the substrate-induced flattening of the bulbs. It was discovered in a unique locality from which two other endemic Oxalis species have been described. A phylogenetic analysis of the nuclear ITS region places the new species in the informally recognized Oxalis flava clade. (c) 2008 SAAB. Published by Elsevier B.V. All rights reserved.
引用
收藏
页码：239 / 245
页数：7
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