Changes in the West Indian Operculina (Convolvulaceae)

Two West Indian names in Operculina are briefly discussed and compared with the Old World O. turpethum (L.) S. Manso. The conclusions are made that O. triquetra (Vahl) H. Hallier is a taxonomic synonym of O. turpethum and that O. ventricosa (Bertero) Peter may best be considered a variety of O. turp...

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Bibliographic Details
Published in:Brittonia 1981-10, Vol.33 (4), p.591-596
Main Authors: Staples, G.W. III, Austin, D.F
Format: Article
Language:English
Subjects:
Biological taxonomies
Botanical gardens
Convolvulaceae
Corolla
Genera
Herbaria
Holotypes
Llanos
new taxa
Plants
Synonyms
Taxa
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Summary:Two West Indian names in Operculina are briefly discussed and compared with the Old World O. turpethum (L.) S. Manso. The conclusions are made that O. triquetra (Vahl) H. Hallier is a taxonomic synonym of O. turpethum and that O. ventricosa (Bertero) Peter may best be considered a variety of O. turpethum. Typification of Operculina is discussed, and it is found that, although S. Manso had a mixed concept of O. turpethum, this species must be the type of the genus.
ISSN:0007-196X
1938-436X
DOI:10.2307/2806769