ABSTRACTThe genus Sinningia belongs to the Neotropical tribe Gesnerieae, subtribe Ligeriinae, presently consisting of only three genera, Paliavana, Sinnigiaand Vanhouttea. These genera were separated from a larger concept of tribe Gloxinieae based on phylogenetic studies with molecular data. In Rio Grande do Sul, southern Brazil, 12 species and one natural hybrid of Sinningiahave been recorded. Species of Sinningia in this area are erect or ascending herbs or subshrubs arising from underground or partially exposed tubers. They grow in very distinct ecological conditions, from water-saturated marshes to dry grasslands or shrublands, but most often in rupicolous or epiphytic habitats commonly associated with forest environments. In this review we provide an identification key to the species level and morphological descriptions and illustrations, comments on taxonomic aspects, distributional maps and IUCN Red List Categories and Criteria for all twelve species. Additionally, we designate lectotypes for S. allagophylla and S. sellovii and consider the recently described S. lutea as a synonym of the highly variable S. allagophylla.

Sinningia bullata, espécie endêmica de Santa Catarina foi encontrada em um novo local, no Rio Grande do Sul, ca. 210 km ao sul e ca. 800 msm acima da localidade-tipo. Este artigo inclui uma descrição, ilustrações e uma chave dicotômica para distinguir a espécie de outros táxons simpátricos. Dados ambientais incluem um mapa de distribuição, comentários sobre ecologia e geografia, e do estado de conservação atualizado da espécie.

Sinningia bullata, a narrow endemic species in Santa Catarina was found at a new site in Rio Grande do Sul, c. 210 km southwards and c. 800 m.a.s.l. above the type location. The paper includes a description, illustrations and a dichotomous key to distinguish the species from other sympatric species. Environmental data comprise a distribution map, comments on ecology and geography, and the updated conservation status of the species.