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Cynanchum gerrardii ‐ a new combination for a well‐known African species (Asclepiadaceae)
Author(s) -
Liede Sigrid
Publication year - 1991
Publication title -
taxon
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.819
H-Index - 81
eISSN - 1996-8175
pISSN - 0040-0262
DOI - 10.2307/1222934
Subject(s) - synonym (taxonomy) , botany , taxon , correct name , biology , genus
Summary Liede, S.: Cynanchum gerrardii ‐ ‐ a new combination for a well‐known African species (Asclepiadaceae). ‐ Taxon 40: 113–117. 1991. ‐ ISSN 0040‐0262. Examination of the lectotype (MO), designated here, of Cynanchum tetrapterum (Turcz.) Bullock, revealed that it is a synonym of Sarcostemma viminale (L.) R. Br. A new combination, Cynanchum gerrardii (Harvey) Liede, is required for the single leafless, stem‐succulent African Cynanchum species to which the name C. tetrapterum had been misapplied. In addition, Asclepias aphylla Thunb. is lectotypified and also placed in synonymy under S. viminale.