The Société de Physique et d'Histoire naturelle (SPHN) of Geneva is pleased to announce the award of the Augustin-Pyramus de Candolle Prize in 2020. This prize recognizes the author of the best treatment of a taxonomic group of plants, algae or fungi. The intent of the prize is to encourage and foster the publication of monographic treatments in plant taxonomy, preferably by scientists still in an early stage of their career. The submitted work should be a complete coverage o

IAPT has established a symposium series called the Early Career Investigator Symposium to highlight the research of botanists, mycologists, and phycologists. Each year the symposium will be presented at a different international conference where IAPT participates in the program. The specific theme will vary from year to year, depending on the theme of the conference. This year the theme for our symposium at the Botany 2019 conference is “Life at the Edge,” which fits quite we

by Peter Bruyns, Paul Berry During the last forty years, one of the most widespread and conspicuous succulent trees in East and north-east Africa has been referred to as E. candelabrum Kotschy or as E. candelabrum Trémaux ex Kotschy. This name is a later homonym of Euphorbia candelabrum Welw. and consequently it is illegitimate. The species to which the name E. candelabrum Kotschy has been widely applied is shown to be conspecific with Euphorbia ingens E. Mey. ex Boiss., whic