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Mitotic Studies on Combretum Loefl. from Nigeria

Author(s): Chimezie Ekeke | Ikechukwu O. Agbagwa | Bosa E. Okoli

Journal: American Journal of Plant Sciences
ISSN 2158-2742

Volume: 04;
Issue: 03;
Start page: 508;
Date: 2013;
Original page

Keywords: Combretum | Combretaceae | Cytology | Mitotic Chromosomes

Cytological studies involving root-tip chromosomes of ten Combretum species belonging to the family Combretaceae from Nigeriawere carried out. The result showed that C. platypterum, C. racemosum, C. constrictum, C. bracteatum and a yet to be identified Combretum sp.2 have a chromosome number of 2n = 26. Also, C. racemosum, C. zenkeri and Combretum sp.3 (yet to be identified) have a chromosome number of 2n = 39. A basic chromosome number of x = 13 for the genus is therefore proposed.
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