@article{articlec7dca738,
title   = {A new species of Hybanthus (Violaceae) from north-eastern Brazil},
author = {Paulo-Souza, J. de and Souza, Vinícius Castro},
year = {2003},
doi = {10.1046/j.1095-8339.2003.00161.x},
journal   = {Botanical Journal of the Linnean Society}
}