Revision of the genus Argyreia (Convolvulaceae) from India

Abstract

The genus Argyreia Lour. (Convolvulaceae) in India is revised, wherein thirty-five species are recognized. This revision provides detailed description, photographs, distribution and taxonomic notes. Argyreia lawii C.B.Clarke and A. srinivasanii Subba Rao & Kumari are rediscovered; A. argentea (Roxb.) Sweet, A. barbigera Choisy, A. daltonii C.B. Clarke and A. leschenaultii Thwaites are lectotypified. The names A. hirsutissima (C.B.Clarke) Thoth., A. thomsonii (C.B. Clarke) Babu, A. leschenaultii Thwaites, A. involucrata C.B. Clarke var. inequalis C.B. Clarke, A. setosa Arn. ex Choisy var. minor (C.B. Clarke) Staples & Traiperm and A. wallichii Choisy var. coriacea C.B. Clarke are recognized as new synonyms. An IUCN threat assessment for endemic species are also provided for further conservation strategies.