taxonomy

Chresta artemisiifolia (Vernonieae, Asteraceae), a new endangered species from a recently created protected area in the Brazilian Caatinga

Chresta artemisiifolia, a new species from northern Bahia, is described and illustrated. This species occurs on rock outcrops amidst the dry Caatinga domain, and is morphologically related with C. harleyi, C. hatschbachii , C. martii and C. …

Two New Rupicolous Species of Chresta (Asteraceae, Vernonieae) from the Brazilian Caatinga

Two new rupicolous and endangered species from the Caatinga are described and illustrated. Chresta heteropappa is restricted to the brejos de altitude (montane forests) from Northeastern Ceará, growing on granite inselbergs. Chresta subverticillata …

Lychnophora spiciformis (Asteraceae: Vernonieae), a new species from Bahia, Brazil

Lychnophora spiciformis , a new species from Brazil, is here described and illustrated. The new species is endemic to the Chapada Diamantina in Bahia, Northeastern Brazil. Lychnophora spiciformis is characterized by its pseudoterminal congested …

A new species of Chresta (Vernonieae, Asteraceae) endemic to the Mata Atlântica Domain, Brazil

Chresta filicifolia is described and illustrated. It is a perennial herb known only from open vegetation on top of small rock outcrops at the Rio Doce Valley in Eastern Minas Gerais, Southeastern Brazil. This is the first record of a species of …

Diversity of non-glandular trichomes in subtribe Lychnophorinae (Asteraceae: Vernonieae) and taxonomic implications

Vernonieae is one of the major tribes in Asteraceae (subfamily Cichorioideae) with ca. 1,100 species placed into 129 genera. Currently, 21 subtribes are recognized in Vernonieae and one of them is Lychnophorinae, almost entirely endemic to Brazil, …

New names in Vernonieae (Asteraceae) of Northeastern Brazil