Open Access<em>Convolvulaceae neotropicae novae vel minus cognitae</em> III: <em>Jacquemontia austiniana</em> J.R.Grande sp. nov. (<em>Convolvulaceae</em>), a new species from the Venezuelan Guayana
Author(s) -
José Ramón Grande Allende
Publication year - 2019
Publication title -
anales del jardín botánico de madrid/anales del jardín botánico de madrid
Language(s) - English
Resource type - Journals
eISSN - 1988-3196
pISSN - 0211-1322
DOI - 10.3989/ajbm.2508
Subject(s) - convolvulaceae , botany , biology , sepal , bract , inflorescence , pollen , stamen
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.