Sônia Maria Eisinger

O gênero Indigofera L. (Leguminosae-Papilionoideae-Indigofereae) no Rio Grande do Sul - Brasil

A recent survey of the species of Indigofera L. occuring in the Rio Grande do Sul State, Brazil, revealed four species in the area: Indigofera sabulicola Benth., I. asperifolia Bong., I. suffruticosa Mill, and I. campestris Bong. It is given a short historical review on the systematic position of the genus. Identification key to the species studied, descriptions, illustrations, and data such as distribution, habitat, flowering and frutification are also- presented.

O GÊNERO LUDWIGIA L. (ONAGRACEAE) NO MUNICÍPIO DE SANTA MARIA, RIO GRANDE DO SUL, BRASIL

The study of the genus Ludwigia in Santa Maria city, Rio Grandedo Sul State, Brazil, confirmed the occurrence of 12 species: L. decurrensWalt., L. elegans (Camb.) H. Hara, L. grandiflora (Micheli) Greuter &Burdet, L. hexapetala (Hook. & Arn.) Zardini, H. Gu & P. H. Raven, L.leptocarpa (Nutt.) H. Hara, L. longifolia (DC.) H. Hara, L. major (Micheli)Ramamoorthy, L. martii (Micheli) Ramamoorthy, L. multinervia (Hook.& Arn.) Ramamoorthy, L. peploides (Kunth) P. H. Raven, L. peruviana(L.) H. Hara e L. sericea (Camb.) H. Hara. The survey was based onliterature, herbaria revisions and in field work during the four seasons in2009. Analytical key, descriptions, illustrations, geographic distribution,habitat, flowering and fruiting data are provided.

O gênero Oenothera L. (Onagraceae) no município de Santa Maria, Rio Grande do Sul, Brasil

O estudo do genero Oenothera L. no municipio de Santa Maria, Rio Grande do Sul, Brasil, revelou a ocorrencia de cinco especies. O trabalho apresenta chave para diferenciacao das especies, ilustracoes e dados de suas distribuicoes geograficas.