Lectotipificaciones en Ophryosporus (Asteraceae, Eupatorieae, Critoniinae) Lectotypifications in Ophryosporus (Asteraceae, Eupatorieae, Critoniinae)

Zyzyura, a new genus of Eupatorieae (Asteraceae) from Belize

A new Genus, Zyzyura is named to accommodate Fleischmannia mayana Pruski that has an eximbricate involucre, a high-conical receptacle, a corolla with a slender base closely investing the style and with a broadly campanulate limb, enlarged elongate cells in the carpopodium, short and broad distally protruding cells in the corolla lobes, and broad rounded anther appendages.

A New Species of Fleischmannia (Asteraceae, Eupatorieae) from El Salvador

Fleischmannia profusa is named as new from El Salvador based on material with deltoid leaf blades, numerous axillary fascicles of leaves on the vegetative stems and c. 60 sharply obviously acuminate involucral bracts in 4-5 strongly gradate series.

The genus Fleischmannia in Argentina, Bolivia, Brazil and Paraguay (Eupatorieae, Asteraceae)

Species of the genus Fleischmannia from Argentina, Bolivia, Brazil and Paraguay are reviewed, and keys are provided that cover the species in each country. New taxa described are Fleischmannia hatschbachii, Fleischmannia matogrosensis, Fleischmannia microstemon var. paniculata from Brazil, Fleischmannia hassleri from Paraguay and Fleischmannia neei and Fleischmannia steinbachii from Bolivia, an...

Wood Anatomy of Eupatorieae (Compositae)

Trichomes and chemical composition of the volatile oil of Trichogonia cinerea (Gardner) R. M. King & H. Rob. (Eupatorieae, Asteraceae).

Trichogonia cinerea is endemic to Brazil and occurs in areas of cerrado and campo rupestre. In this study, we characterized the glandular and non-glandular trichomes on the aerial parts of this species, determined the principal events in the development of the former, and identified the main constituents of the volatile oil produced in its aerial organs. Fully expanded leaves, internodes, flore...