Guynesomia (Asteraceae: Astereae), a new genus from central Chile

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Abstract:

Guynesomia (Asteraceae: Astereae), a new genus restricted to the western slopes of the Andes mountains in central Chile, is described. Guynesomia is a shrub characterised by raceme-like or panicle-like capitulescences, disciform capitula, alveolate receptacles, pistillate zygomorphic marginal florets with three or four short lobes, and a pappus of two series of subequal scabrid bristles. Diplostephium is the putative closest relative of Guynesomia. The new combination Guynesomia scoparia is based on Nardophyllum scoparium.

Keywords: ASTERACEAE; ASTEREAE; CHILE; GUYNESOMIA; GUYNESOMIA SCOPARIA; NARDOPHYLLUM SCOPARIUM; TAXONOMY

Document Type: Research Article

Affiliations: 1: Laboratorio de Botánica, Facultad de Agronomía, CC-1238, Montevideo, Uruguay 2: División Plantas Vasculares, Museo de La Plata, Paseo del Bosque s/n, La Plata, 1900, Buenos Aires, Argentina

Publication date: August 1, 2004

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