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Registros recuperados: 44 | |
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Welker,Cassiano Aimberê Dorneles; Longhi-Wagner,Hilda Maria. |
The subtribe Saccharinae belongs to the tribe Andropogoneae and comprises ca. 140 species in 13 genera, including Eriochrysis, Imperata and Saccharum. This work presents a survey of the species of these three genera in the state of Rio Grande do Sul. Intensive field collections were made in different physiographic regions of the state, as well as studies in several herbaria. The occurrence of three native species of each genus was confirmed in Rio Grande do Sul, in addition to sugar cane (Saccharum officinarum) that is cultivated in the region. Based on the material examined, Eriochrysis villosa is reported for the first time in the state of Paraná, Brazil. Identification keys for the species, descriptions, data on their geographical distributions,... |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Floristics; Gramineae; Southern Brazil; Taxonomy. |
Ano: 2012 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-84042012000100010 |
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Finot,Víctor L. |
Se estudió la epidermis abaxial de la lámina foliar en 29 especies y 3 variedades del género Trisetum s.s. Adicionalmente, se incluyó a Deschampsia brasiliensis (Louis-Marie) Valencia (= Trisetum brasiliense Louis-Marie), Helictotrichon bulbosum (Hitchc.) Parodi (= T. bulbosum Hitchc.) y Peyritschia deyeuxioides (Kunth) Finot (= T. deyeuxioides Kunth). Además, se realizaron observaciones de la epidermis adaxial en algunas especies sudamericanas, utilizando microscopio electrónico de barrido (MEB). Se confeccionó una matriz básica de datos (35 OTUs x 17 caracteres de la epidermis abaxial), a la que se aplicó análisis de agrupamientos (UPGMA) y análisis de componentes principales (ACP). Se reconoció cuatro grupos de especies: 1. Deschampsia brasiliensis. 2.... |
Tipo: Journal article |
Palavras-chave: Anatomía foliar; Gramineae; Análisis de agrupamientos; Análisis de componentes principales. |
Ano: 2006 |
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-66432006000200002 |
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Registros recuperados: 44 | |
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