Syncesia (Arthoniales, Euascomycetidae). Flora Neotropica (74) flora neotropica It is an important group

It is an important group of pioneer trees in humid regions of the Neotropics and

and cotyledons laterally divaricate in the same horizontal plane

A Historical Perspective on Cycads from Antiquity to the Present

elastically dehiscent pods

as well as infraspecific taxa

Syncesia (Arthoniales, Euascomycetidae). Flora Neotropica (74) flora neotropica It is an important grouphe lichenized genus Syncesia is monographed. Seventeen species are recognized, all fructiferous. Imperfect tax. a are unknown. Two new species are described: Syncesia leprobola and S. rhizomorpha. Most Syncesia species are restricted to the neotropical region, with some species reaching southern United States and Hawaii. Four species are non neotropical, with one restricted to southwestern Europe, two to Tanzania, and one to Australasia. Syncesia is