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Revision of the genus Paragynoxys (Asteraceae, Senecioneae-Tussilagininae)

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Abstract

A revision of the neotropical genusParagynoxys of the Asteraceae (tribe Senecioneae) is presented. This group is a distinct entity characterized by a pachycaulous arborescent habit, homogamous discoid capitula, the presence of white corollas with limbs divided to the base, sagittate anthers, and style branches with enlarged conical tips. In the present treatment, 12 species are accepted. Descriptions of the genus and species, a key to species, synonyms, a new combination (Paracalia lopezii, based onParagynoxys lopezii), and distribution data are presented.

Resumen

Se presenta una revisión del género neotropicalParagynoxys (Asteraceae, Senecioneae-Tussilagininae). Este taxón se caracteriza por el hábito arborescente paquicaule, y por presentar capítulos homógamos discoideos, corolas blancas con el limbo dividido hasta la base, anteras sagitadas y ramas estigmáticas con los extremos alargados y cónicos. En el presente tratamiento, se aceptan 12 especies. Además, se presentan las descripciones del género y de las especies, una clave de las especies, sinónimos, una combinación nueva (Paracalia lopezii, basado enParagynoxys lopezii), y datos de distribución.

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Correa, A. Revision of the genus Paragynoxys (Asteraceae, Senecioneae-Tussilagininae). Brittonia 55, 157–168 (2003). https://doi.org/10.1663/0007-196X(2003)055[0157:ROTGPA]2.0.CO;2

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  • DOI: https://doi.org/10.1663/0007-196X(2003)055[0157:ROTGPA]2.0.CO;2

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