Now showing items 21-24 of 24
(Vol.16, 2013-12) Two New Species Of Wamalchitamia (Asteraceae: Heliantheae) from Oaxaca, Mexico
Two new species of Wamalchitamia are described from Oaxaca, Mexico: W. serboana and W. yautepecana. Photographs of their holotypes are provided and their relationships to yet other species in the genus are discussed. A key ...
(Vol.15, 2012-12) Preliminary Phylogeny of Diplostephium (Asteraceae): Speciation Rate and Character Evolution
Diplostephium comprises 111 neotropical species that live in high elevation habitats from Costa Rica to Chile. Primarily Andean, the genus seems to have undergone an adaptive radiation indicated by its high number of ...
(Vol. 19, 2016-12) Molecular Phylogeny of Pectis (Tageteae, Asteraceae), A C4 Genus of the Neotropics, and its Sister Genus Porophyllum
Pectis is a genus of 690 xeric adapted New World species. Previous molecular phylogenetic studies showed Pectis closely related to Porophyllum, and one analysis resolved Porophyllum species nested within Pectis. Some Pectis ...
(Vol. 20, 2017-12) Perymenium vandevenderorum (Asteraceae), a New Species From Sonora, Mexico.
A novel species of Perymenium from Sonora, Mexico is described. It appears to be closest to P. nesomii from southwestern Chihuahua, with which it is compared. A map showing distribution of the two taxa is provided.