Abstract

FONSECA-CORTES, Andrés. HETEROSTEMON AMORIS (LEGUMINOSAE, DETARIOIDEAE), A NEW SPECIES FROM COLOMBIA AND A KEY TO THE SPECIES OF HETEROSTEMON. Darwiniana, nueva serie [online]. 2021, vol.9, n.2, pp.312-319. ISSN 0011-6793.  http://dx.doi.org/10.14522/darwiniana.2021.92.976.

Fonseca-Cortés, A. 2021. Heterostemon amoris (Leguminosae, Detarioideae), a new species from Colombia and a key to the species of Heterostemon. Darwiniana, nueva serie 9(2): 312-319.

Heterostemon amoris a new species from Colombia is described, illustrated, and a key to the species of the genus is presented. Heterostemon amoris is characterized by its leaves with 5-7 pairs of leaflets, basal pair of leaflets 0.6-0.8 × 0.4-0.6 cm, considerably smaller and falcate, intermediate leaflets 3.8-5.5 × 1.1-2.0 cm, ovate to obovate, and terminal pair of leaflets 2.0-2.3 × 0.7-0.8 cm, ovate, shorter than the intermediate ones. This new species is only known from four localities in the departments of Guainía and Vaupés.

Keywords : Brownea clade; Fabaceae; Guiana shield flora..

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