Taxonomic revision of the genus Gamochaeta Wedd. (Gnaphalieae, Asteraceae) in Chile

FREIRE, SUSANA EDITH; BAEZA, CARLOS M.; BAYÓN, NÉSTOR DAVID; SALOMÓN, LUCIANA; MUÑÓZ-SCHICK, MÉLICA

GAYANA. BOTANICA

EDICIONES UNIV

Lugar: Concepción; Año: 2016 vol. 73 p. 292 - 345

0016-5301

Twenty four species of Gamochaeta (Gnaphalieae, Asteraceae), G. aliena, G. alpina, G. americana, G. andina, G. axillaris,G. chamissonis, G. depilata, G. deserticola, G. falcata, G. filaginea, G. humilis, G. longipedicellata, G. neuquensis, G.nivalis, G. oligantha, G. procumbens, G. ramosa, G. serpyllifolia, G. simplicicaulis, G. spiciformis, G. stachydifolia, G.subfalcata, G. valparadisea, and G. villarroelii, are formally monographed with morphological descriptions, illustrations,geographic distribution and habitat, distribution maps, phenology, lists of representative specimens examined, and acomprehensive identification key for every species. The new combination Gamochaeta ramosa (Phil.) S.E. Freire, N.Bayón & C.M. Baeza, is proposed. The following taxa are newly synonymized: Gamochaeta foliosa with G. spiciformis;G. monticola with G. oligantha; Gnaphalium petraeum with Gamochaeta andina; G. suffruticosa with G. chamissonis;G. bellidifolia, G. berteroana with G. filaginea; and Gnaphalium agreste with Gamochaeta stachydifolia. Lectotypes arenewly designated for Gnaphalium andinum, G. berteroanum, G. suffruticosum, and G. villarroelii