Anales del Jardín Botánico de Madrid, Vol 76, No 1 (2019)

Convolvulaceae neotropicae novae vel minus cognitae III: Jacquemontia austiniana J.R.Grande sp. nov. (Convolvulaceae), a new species from the Venezuelan Guayana


https://doi.org/10.3989/ajbm.2508

José Ramón Grande Allende
Herbario MERF, Facultad de Farmacia y Bioanálisis, Universidad de Los Andes, Venezuela, Bolivarian Republic of
orcid http://orcid.org/0000-0002-7066-0608

Abstract


As a part of a taxonomic update of the family Convolvulaceae Juss. for Guayana Shield, the species Jacquemontia austiniana J.R.Grande sp. nov., is described and illustrated as new to science. This species is characterized by its linear-subulate bract, ovate-lanceolate external sepals, conspicuously acuminate, villose, with the margins ciliate, and a relatively large and infundibuliform corolla. To date, this is the only species of Jacquemontia Choisy endemic to the Guayana Shield; its relationships within the genus are still to be elucidated.

Keywords


Convolvulaceae; Daniel Austin; Guayana Shield; Jacquemontia; Venezuelan Guayana

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