@article {49, title = {A new species of Bertiera Aubl. (Rubiaceae) in subgenus Bertierella discovered in Equatorial Guinea and Cameroon}, journal = {Adansonia}, volume = {27}, number = {2}, year = {2005}, note = {Cited Reference Count: 14 ref.EnglishUne nouvelle espece de Bertiera Aubl. (Rubiaceae) du sous-genre Bertierella decouverte en Guinee Equatoriale et au Cameroun.}, pages = {309-315}, type = {article}, abstract = {

A new species of Bertiera (Rubiaceae) from Equatorial Guinea and Cameroon, Bertiera rosseeliana Sonkd, Esono \& Nguembou, is described and illustrated here. This new species belongs to subgenus Bertierella and appears to be closely related to Bertiera naucleoides. It differs from this species, however, by the features stated in the diagnosis: glabrous leaf blade (not puberulous); calyx lobes shorter (2-3 not 7-8 mm); corolla tube longer (18-20 not 5-6 mm); fruits without pedicel.

}, keywords = {ACP Countries, Africa, Africa South of Sahara, angiosperms, Cameroon, Central Africa, corolla, Developing Countries, dicotyledons, Equatorial Guinea, eukaryotes, Francophone Africa, fruits, Least Developed Countries, new species, petals, plants, Rubiaceae, Rubiales, Spermatophyta, ZZ380Taxonomy and Evolution}, isbn = {1280-8571}, author = {Sonk{\'e}, B. and Esono, P. and Nguembou, K. C. and Stevart, T.} } @article {56, title = {Une nouvelle esp{\`e}ce de Coffea L. (Rubiaceae, Coffeeae) du Cameroun et quelques notes sur ses affinit{\'e}s avec les esp{\`e}ces voisines}, journal = {Adansonia}, volume = {26}, number = {2}, year = {2004}, note = {Times Cited: 0}, pages = {153-160}, abstract = {

A new species of Coffea (Rubiaceae) from Cameroon, Coffea fotsoana Stoffelen \& Sonke, is described, illustrated and mapped. Its relationships within the genus are discussed and a key is provided to all species occurring in,, Cameroon. The conservation status of this species is given, using IUCN Red List categories.

}, isbn = {1280-8571}, author = {Sonk{\'e}, Bonaventure and Stoffelen, Piet} } @article {26, title = {A new Leptactina (Rubiaceae, Pavetteae) from Central African Republic: Leptactina deblockiae}, journal = {Adansonia}, volume = {28}, number = {2}, year = {2006}, note = {Times Cited: 0}, pages = {373-378}, abstract = {

A new species of Leptactina (Rubiaceae) with axillary inflorescences, gibbous stipules and fruits ellipsoid from Cenral African Republic, L. deblockiae Neuba \& Sonke, is described and illustrated here. Affinities of this new taxon with other species of Leptactina is discussed.. A key of Leptactina species with axillary inflorescences is provided.

}, isbn = {1280-8571}, author = {Neuba, D. F. R. and Lejoly, J. and Sonk{\'e}, B.} }