Original Research

Morphological and biochemical genetic evidence for hybridization in the genus Centella (Apiaceae), with notes on phylogenetic and taxonomic implica­tions

M. T. R. Schubert, B-E. van Wyk, F. H. van der Bank, M. van der Bank
Bothalia | Vol 26, No 2 | a704 | DOI: https://doi.org/10.4102/abc.v26i2.704 | © 1996 M. T. R. Schubert, B-E. van Wyk, F. H. van der Bank, M. van der Bank | This work is licensed under CC Attribution 4.0
Submitted: 09 October 1996 | Published: 09 October 1996

About the author(s)

M. T. R. Schubert, Department of Botany, Rand Afrikaans University
B-E. van Wyk, Research Unit for Aquatic and Terrestrial Ecosystems, Rand Afrikaans
F. H. van der Bank, Research Unit for Aquatic and Terrestrial Ecosystems, Rand Afrikaans
M. van der Bank, Department of Botany, Rand Afrikaans University

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Abstract

The main aim of this paper is to explore the occurrence of hybridization in the genus Centella. Morphological as well as genetic characters are investigated to confirm the identity of a putative hybrid between C.  triloba and C. macrocarpa. These two independent data sets, one from enzyme electrophoresis and one from morphology, are compared and interpreted by means of cladistic analysis.  Centella glauca and C.  virgata were included in the analysis and the effect of hybridization on cladistics is demonstrated. Hybridization gives a new perspective on infrageneric relationships within the genus Centella, as it may have obscured discontinuities between previously discrete infrageneric groups.


Keywords

allozyme; <i>Centella</i>; hybridization; morphology; relationships

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