Original Research

The genus Amphiglossa (Gnaphalieae, Relhaniinae, Asteraceae) in southern Africa

M. Koekemoer
Bothalia | Vol 29, No 1 | a572 | DOI: https://doi.org/10.4102/abc.v29i1.572 | © 1999 M. Koekemoer | This work is licensed under CC Attribution 4.0
Submitted: 29 September 1999 | Published: 30 September 1999

About the author(s)

M. Koekemoer, National Herbarium, National Botanical Institute, South Africa

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Abstract

It is proposed that the generic concept of Amphiglossa DC. be broadened to include the genus Pterothrix DC. The two gen­era were previously separated on the presence or absence of ray florets. A thorough study of various characters showed that the type of florets was overemphasised in the past and that the pappus and cypselas provide sufficient evidence to unite the two genera The genus consists of 11 species of which  Amphiglossa celans Koekemoer.  A. grisea Koekemoer,  A. rudolphii Koekemoer and A. susannae Koekemoer are newly described A key to the species as well as detailed descriptions and distribution maps are provided. Photographs are included for each species and key characters for the genus are also illustrated.


Keywords

<i>Amphiglossa</i> DC.; Asteraceae; comb; nov.; Gnaphalieae; <i>Pterothrix</i> DC.; Relhaniinae; southern Africa; sp. nov.; taxonomy

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