Abstract

MORONI, Pablo; O’LEARY, Nataly; NADRA, María Gabriela  and  MILLER, James S.. SISTEMÁTICA DE CORDIACEAE EN ARGENTINA II: LAS ESPECIES DEL GÉNERO VARRONIA. Darwiniana, nueva serie [online]. 2022, vol.10, n.2, pp.494-514.  Epub Sep 01, 2022. ISSN 0011-6793.  http://dx.doi.org/10.14522/darwiniana.2022.102.1063.

Moroni, P.; N. O’Leary, M. G. Nadra & J. S. Miller. 2022. Systematics of Cordiaceae in Argentina II: The species of the genus Varronia. Darwiniana, nueva serie 10(2): 494-514.

A taxonomic treatment for Varronia P. Browne (Cordiaceae, Boraginales) in Argentina is presented for the first time. The genus consists of shrubs or subshrubs up to 5 m tall that are distributed mainly in the Neotropics. Plants are characterized by being multi-stemmed shrubs with flowers arranged into capitate or pseudospiciform inflorescences with a distinctly 2-branched style. The analyses of the morphological features support the recognition of six Varronia species in the country. A key to all Argentinian species, illustrations to aid identification both in herbaria and in the field, and distribution maps are provided. Synonymy, morphological descriptions, nomenclatural aspects, common names and uses are also provided. Varronia urticifolia is reported for the first time in Argentina and V. curassavica in La Rioja province.

Keywords : Argentine flora; Boraginales; Southern Cone..

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