Roosia: a new genus in the Aizoaceae from the Western Cape, South Africa

被引:0
|
作者
Van Jaarsveld, Ernst J. [1 ,2 ]
机构
[1] Babylonstoren Farm, POB 167, ZA-7670 Simondium, South Africa
[2] Univ Western Cape, Dept Biodivers & Conservat, Private Bag X17, ZA-7535 Bellville, South Africa
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D O I
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中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
A re-evaluation of the two cliff dwelling mesembs, Esterhuysenia grahambeckii Van Jaarsv. and E. lucilleae Van Jaarsv. was considered necessary as a result of distinctive differences in vegetative, flower and capsule morphology and the genus Roosia is described accommodating the only two known species. Both are obligatory cliff dwelling species from sandstone cliffs (Cape Supergroup), R. grahambeckii from the Rooiberg between Robertson and Worcester and Roosia lucilleae from several sites on sheer cliffs along the southern slopes of the Hex River Mountains.
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页码:150 / 158
页数:9
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