New taxa of Impatiens Madagascar. IV (Balsaminaceae) from Author Fischer, Eberhard Author Rahelivololona, Marie Élisette text Adansonia 2007 3 29 2 269 315 journal article 10.5281/zenodo.5187485 1639-4798 5187485 Subgenus Trimorphopetalum (Baker) Eb.Fisch. DIAGNOSTIC CHARACTERS Lower sepal without spur, extrafloral nectaries on petiole lacking.