Morphological data were gathered from 1539 herbarium specimens representing the taxa of Vicia subgenus Vicia. Specimens were scored for 43 vegetative, 84 inflorescence, 23 legume and 94 seed characters. The data were analysed using cluster analysis and ordination techniques. The results of the analysis were used to produce a classification of the subgenus. The proposed classification contains nine sections, nine series, 38 species, 14 subspecies and 22 varieties. The classification is discussed in relation to previous classifications.
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Nigel Maxted (1993) studied this question.
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