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17 June 2020 A synopsis of the Sabicea floribunda group (Rubiaceae) from Central Africa, including three new species
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Abstract

Lachenaud, O., L. Zemagho & B. Sonké (2020). A synopsis of the Sabicea floribunda group (Rubiaceae) from Central Africa, including three new species. Candollea 75: 115–143. In English, English and French abstracts.

This paper presents a taxonomic revision of the Sabicea floribunda K. Schum. group (Rubiaceae). Eight species are recognised, of which three are newly described: Sabicea couteronii O. Lachenaud, Zemagho & Sonké (Cameroon, Gabon and Republic of Congo), Sabicea dichrosepala O. Lachenaud, Zemagho & Sonké and Sabicea rubiginosa O. Lachenaud, Zemagho & Sonké (both endemic to Gabon). One subspecies is also described: Sabicea sanguinosa subsp. viridis O. Lachenaud, Zemagho & Sonké and two varieties: Sabicea floribunda var. anisostegia O. Lachenaud, Zemagho & Sonké and Sabicea floribunda var. paludosa O. Lachenaud, Zemagho & Sonké. Lectotypes are selected for Sabicea floribunda var. paucinervis Wernham, Sabicea nobilis R.D. Good, Sabicea segregata Hiern and Sabicea henningsiana Büttner. All species are illustrated with photographs, and the three new ones also with line drawings; distribution maps and IUCN conservation status assessments are also presented for all taxa.

© CONSERVATOIRE ET JARDIN BOTANIQUES DE GENÈVE 2020
Olivier Lachenaud, Lise Zemagho, and Bonaventure Sonké "A synopsis of the Sabicea floribunda group (Rubiaceae) from Central Africa, including three new species," Candollea 75(1), 115-143, (17 June 2020). https://doi.org/10.15553/c2020v751a12
Received: 12 July 2019; Accepted: 11 May 2020; Published: 17 June 2020
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