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Issue: Vol. 661 No. 1: 25 Jul. 2024
Type: Article
Published: 2024-07-25
DOI: 10.11646/phytotaxa.661.1.4
Page range: 63-74
Abstract views: 61
PDF downloaded: 2

Morphological variation within Solanum campylacanthum (Solanaceae) in Uganda and its relationship with S. cerasiferum

Department of Plant Sciences; Microbiology and Biotechnology; School of Biosciences; College of Natural Sciences; Makerere University; P.O. Box 7062; Kampala; Uganda; University of Oslo; Natural History Museum; P.O. 1172; Blindern; N-0318; Norway; Department of Biology; Faculty of Science and Education; Busitema University; Uganda
Department of Plant Sciences; Microbiology and Biotechnology; School of Biosciences; College of Natural Sciences; Makerere University; P.O. Box 7062; Kampala; Uganda
Department of Plant Sciences; Microbiology and Biotechnology; School of Biosciences; College of Natural Sciences; Makerere University; P.O. Box 7062; Kampala; Uganda
Department of Plant Sciences; Microbiology and Biotechnology; School of Biosciences; College of Natural Sciences; Makerere University; P.O. Box 7062; Kampala; Uganda
Plant Genetic Resources Centre; Entebbe Botanic Gardens; National Agricultural Research Organisation; P.O. Box 40; Entebbe Uganda
Department of Plant Sciences; Microbiology and Biotechnology; School of Biosciences; College of Natural Sciences; Makerere University; P.O. Box 7062; Kampala; Uganda
Africa Innovations Institute; Plot 1544 Koire close; off Kira Road Bukoto P. O Box 34981 Kampala; Uganda
School of Animal; Plant and Environmental Sciences (APES); University of the Witwatersrand; 1 Jan Smuts Avenue; Braamfontein; Johannesburg; South Africa
University of Oslo; Natural History Museum; P.O. 1172; Blindern; N-0318; Norway
Leptostemonum Phenetics Solanaceae Taxonomy Eudicots

Abstract

This is a morphological study of 108 accessions of Solanum campylacanthum and 10 accessions of Solanum cerasiferum. The aim was to assess the morphological variations that occur within the S. campylacanthum species in Uganda and evaluate the morphological differences between S. campylacanthum and S. cerasiferum. Fourteen quantitative and eleven qualitative vegetative characters were measured and analysis done by phenetics method. Cluster (UPGMA) and box plot analyses were done in PAST program version 4.03. Prickle density and leaf tip angles are reported for the first time as being useful in the intraspecific delimitation of S. campylacanthum. The distinction between S. cerasiferum and S. campylacanthum can only be based on leaf base shapes, which is, attenuate and oblique respectively.

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