Flora of Sinningia (Gesneriaceae) in the state of Paraná, Brazil

Abstract The genus Sinningia comprises about 80 species and can be recognized, among Gesneriaceae, by its herbaceous or sometimes subshrubby habit and tuberous, perennial structure at the base of the stem. This work is a taxonomic treatment of Sinningia in the state of Paraná. Descriptions, a dichotomous key, illustrations, and information about the distribution and phenological data on flowering and fruiting are provided. Sinningia is the largest genus of Gesneriaceae in the state of Paraná, where there are 18 species that occur mainly in rainforest, grasslands or Cerrado and are rupicolous, terrestrial, or epiphytic plants.