Two new species of Ceropegia (Apocynaceae) from tropical Africa

被引:1
|
作者
Bruyns, Peter, V [1 ]
Klak, Cornelia [1 ]
Hanacek, Pavel [2 ]
机构
[1] Univ Cape Town, Bolus Herbarium, ZA-7701 Rondebosch, South Africa
[2] Mendel Univ Brno, Dept Plant Biol, Zemedelska 1, Brno 61300, Czech Republic
关键词
Ceropegieae; fusiform roots; fibrous roots; taxonomy; ASCLEPIADOIDEAE;
D O I
10.2985/026.029.0109
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
We describe two new species of Ceropegia. Of these, Ceropegia pseudolugardiae Bruyns of sect. Phalaena H.Huber from Kenya and Tanzania has long been considered to belong to C. lugardiae N. E.Br. but has fibrous roots rather than the cluster of swollen, fusiform roots typical of C. lugardiae. This important feature has been much neglected, as the rootstock is absent from most herbarium specimens. Ceropegia pseudolugardiae is closely related to C. distincta N.E.Br. and C. zambesiaca Masinde & Meve, which all share the fibrous roots and differ in details of their flowers. The second species is C. lubangoensis Bruyns of sect. Laguncula H.Huber from Angola. This is distinguished from all others in this section by the considerably longer corolla-lobes.
引用
收藏
页码:57 / 66
页数:10
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