Groupes nouveaux des Phaseoleae-Phaseolinae du Congo belge et du Ruanda-Urundi

Wilczek, R.

doi:10.2307/3667049

Cited by 6 publications

(2 citation statements)

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“…from Central Africa. Wilczek ( 1954a) noted the close relationship between Vignopsis and Psophocarpus and included Vignopsis as a subgenus in his classification of Psophocarpus. Harms (1907) described a fifth species, P. monophyllus, from Niger and Upper Volta, the first unifoliolate species which was quite distinct from the other species known at that time.…”

Section: Taxonomic Historymentioning

confidence: 99%

“…In 1930 Tisserant published P. lecomtei and P. oboualis (still known only from two specimens), the type locations for both being Central Africa. The ninth species, P. grandiflorus Wilczek, was described by Wilczek (1954a) from Ethiopian material. Wilczek (195415) was the first author to propose a subgeneric classification of Psophocarpus.…”

Section: Taxonomic Historymentioning

confidence: 99%

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A phenetic investigation of Psophocarpus Neck. ex DC. (Leguminosae-Phaseoleae)

Maxted¹

1990

Botanical Journal of the Linnean Society

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A phenetic investigation of Psophocarpus (Leguminosae Phaseoleae). Morphological data were gathered from 126 herbarium specimens representing ten species of Psophocarpus. Specimens were scored for 29 vegetative, 46 inflorescence, 16 legume and six seed characters. The data were analysed using cluster analysis and ordination and the results used to produce an overall phenetic classification. The proposed classification includes a tenth species recently distinguished, but undescribed by Verdcourt. Keys are provided to the subgenera and sections, as well as the ten taxa recognized and the classification is discussed in relation to previous classifications of the genus.

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Section: Taxonomic Historymentioning

confidence: 99%

Section: Taxonomic Historymentioning

confidence: 99%

A phenetic investigation of Psophocarpus Neck. ex DC. (Leguminosae-Phaseoleae)

Maxted¹

1990

Botanical Journal of the Linnean Society

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Phylogenetic systematics of Vigna sensu stricto in the context of Physostigma and allies

Horton,

Feleke,

Pasquet

et al. 2024

American J of Botany

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PremiseVigna includes economically vital crops and wild species. Molecular systematic studies of Vigna species resulted in generic segregates of many New World (NW) species. However, limited Old World (OW) sampling left questions regarding inter‐ and intraspecific relationships in Vigna s.s.MethodsAfrican species, including the putative sister genus Physostigma, were comprehensively sampled within the context of NW relatives. Maximum likelihood and Bayesian inference analyses of the chloroplast matK‐trnK and nuclear ribosomal ITS/5.8 S (ITS) DNA regions were undertaken to resolve OW Vigna taxonomic questions. Divergence dates were estimated using BEAST to date key nodes in the phylogeny.ResultsAnalyses of matK and ITS data supported five clades of Vigna s.s.: subg. Lasiospron, a reduced subg. Vigna, subg. Haydonia, subg. Ceratotropis, an enlarged subg. Plectrotropis, and a clade including V. kirkii and V. stenophylla. Genome size estimates of 601 Mb for V. kirkii are near the overall mean of the genus, whereas V. stenophylla had a larger genome (810 Mb), similar to some Vigna subg. Ceratotropis or Plectrotropis species.ConclusionsFormer subg. Vigna is reduced to yellow‐ and blue‐flowered species and subg. Plectrotropis is enlarged to mostly all white‐, pink‐, and purple‐flowered species. The age of the split between NW and OW Vigna lineages is ~6–7 Myr. Genome size estimates cannot rule out a polyploid or hybrid origin for V. stenophylla, potentially involving extinct lineage ancestors of Vigna subg. Ceratotropis or Plectrotropis, as indicated by network and phylogenetic analyses. Taxonomic revisions are suggested based on these results.

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Systematik der Spermatophyta

Merxmüller

1956

Bericht Über Das Jahr 1955

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Groupes nouveaux des Phaseoleae-Phaseolinae du Congo belge et du Ruanda-Urundi

Cited by 6 publications

References 0 publications

A phenetic investigation of Psophocarpus Neck. ex DC. (Leguminosae-Phaseoleae)

A phenetic investigation of Psophocarpus Neck. ex DC. (Leguminosae-Phaseoleae)

Phylogenetic systematics of Vigna sensu stricto in the context of Physostigma and allies

Systematik der Spermatophyta

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