A newly discovered species of Actinostemon (Euphorbiaceae) critically threatened from the Coastal Atlantic Forest of São Paulo State, Brazil
A new species of Actinostemon (Euphorbiaceae), restricted to a small area in São Paulo state, Brazil and critically threatened, is described here. The new species, Actinostemon caraguatatubensis is similar to A. concolor, with which it is compared. The new species is a small shrub, representing one of the smallest spec...