Ruellia L. (Acanthaceae) no Estado de Minas Gerais, Brasil

• Ano de defesa: 2012
• Autor(a) principal: Pessôa, Clênia de Souza
• Orientador(a): Garcia, Flávia Cristina Pinto
• Banca de defesa: Vieira, Milene Faria , Braz, Denise Monte
• Tipo de documento: Dissertação
• Tipo de acesso: Acesso aberto
• Idioma: por
• Instituição de defesa: Universidade Federal de Viçosa
• Programa de Pós-Graduação: Mestrado em Botânica
• Departamento: Botânica estrutural; Ecologia e Sistemática
• País: BR
• Palavras-chave em Português: Ruellia L.; Florística; Caatinga; Cerrado; Floresta Atlântica; Minas Gerais; Brasil
• Palavras-chave em Inglês: Ruellia L.; Floristic; Caatinga, Cerrado, Atlantic forest, Minas Gerais; Brazil
• Área do conhecimento CNPq: CNPQ::CIENCIAS BIOLOGICAS::BOTANICA
• Link de acesso: http://locus.ufv.br/handle/123456789/2545

Ruellia L. is the second largest genus in the family Acanthaceae, comprising around 300 species. About 100 species are native to South America and Brazil has nearly 82 species, including 49 which are endemic. In Minas Gerais, 24 species have been described to date. This study presents the taxonomic survey of Ruellia L. in Minas Gerais, based on the examination of collections of the following herbaria: BHCB, BHZB, CESJ, ESAL, GFJP, HRCB, HUEFS, HUEMG, HUFU, HXBH, OUPR, PAMG, PMG, RB, SP, SPF, UB and UEC. Twenty-two species were described for the state: Ruellia asperula (Mart. ex Nees) Lindau, R. brevicaulis (Nees) Lindau, R. brevifolia (Pohl) C. Ezcurra, R. bulbifera Lindau, R. costata Lindau, R. dissitifolia (Nees) Hier, R. elegans Poir, R. erythropus (Nees) Lindau, R. geminiflora Kunth. R. incomta (Nees) Lindau, R. inundata HBK, R. jussieuoides (Mart exNees) Lindau, R. macrantha Lindau, R. makoyana Hort. Makoy ex Closon, R. menthoides (Nees) Hiern., R. multifolia (Nees) Lindau, R. rasa Hiern, R. solitaria Vell., R. subsessilis Lindau, R. villosa (Pohl ex Nees) Lindau, R. viscidula (Mart. ex Nees) Lindau. This study presents descriptions, identification keys, species illustrations, comments on the morphology and taxonomy of Ruellia L. occurring in the State of Minas Gerais and the distribution pattern of the species. It is also proposed the synonymization of R. densa and R. rubiginosa into R. villosa and that the species be treated as "Complex R. villosa". The distribution of R. multifolia and R. nitens was extended to Minas Gerais; the distribution patterns Neotropical, East-Central Brazil and South-Central South America showed the largest number of species; the first two having four and the third having three species. In the state of Minas Gerais, the Cerrado comprised exclusively 31.8% of the species, the Atlantic Forest 27.3% and the Caatinga 9.1%. Eighteen percent of the species occupy the three biomes and 13.6% occupy the Cerrado and Atlantic Forest.