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Reinstatement of the Genus Llerasia (Compositae)

José Cuatrecasas
Biotropica
Vol. 2, No. 1 (Jun., 1970), pp. 39-45
DOI: 10.2307/2989787
Stable URL: http://www.jstor.org/stable/2989787
Page Count: 7
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Reinstatement of the Genus Llerasia (Compositae)
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Abstract

The overlooked genus Llerasia Triana (Compositae), which was synonymized with Vernonia by Bentham, is here reinstated and included in the Astereae. Its identity with the section Diplostephioides (Benth. & Hook.) Bl. of genus Haplopappus and its separation from this genus are discussed. The name Neosyris Greene is also a synonym. A key is given for the eleven species of Llerasia, which are trees, large shrubs, or woody lianas of the Andean forests. The intertropical distribution of the genus is emphasized. The distribution of the true remaining Haplopappus species is split into two areas, one North American, the other Chilean-Argentinian. Eight new specific combinations are proposed and a new species (Llerasia hutchisonii) is described.

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