The genus Pachylaena (Asteraceae, Mutisieae)

KATINAS, L.

BOTANICAL JOURNAL OF THE LINNEAN SOCIETY

Blackwell Publishing

Lugar: London; Año: 2008 vol. 156 p. 373 - 380

0024-4074

The Andean genus Pachylaena (Asteraceae, Mutisieae) comprises perennial, sub-rosulate to rosulate herbs, with wide, glaucous and crass leaves, all bilabiate corollas, the marginal ones showy, yellow and/or pink and radiating, and plumose pappus. The genus had traditionally two species, P. atriplicifolia and P. rosea. This study shows that Pachylaena rosea should be treated as a synonym of P. atriplicifolia because the two characters of distinction, colour of the corollas and morphology of the involucre phyllaries, are shared by both taxa. An overview of the genus Pachylaena and its only species P. atriplicifolia is performed here which includes descriptions, synonymic lists, illustrations, a distribution map, and ecological aspects.