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The genus Habenaria (Orchidaceae) in the Brazilian Amazon Rev. Bras. Bot.
Batista,João A. N.; Silva,João Batista F. da; Bianchetti,Luciano de Bem.
A survey of Habenaria in the Amazon region in northern Brazil was undertaken. Forty species are recognized for the region. The majority of the species occur in savannah vegetation and the vegetation types with the highest number of species are the inland savannahs on terra firme (19 spp.), the savannahs of Roraima (16 spp.) and the coastal savannahs of Pará and Amapá (15 spp.). Only four species grow in forest and three in the Amazonian caatinga. Nine of these species are restricted in Brazil to the Amazon region, four species from forest formations and three from highlands at the border with Venezuela. Only one species, H. sylvicultrix Lindl. ex Kraenzl., is possibly endemic to northern Brazil. When compared to other regions, the greatest similarity is...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Amazon; Brazil; Habenaria; Orchidaceae.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-84042008000100011
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Pollination of Habenaria pleiophylla Hoehne & Schlechter (Orchidaceae) by Heliconius erato phyllis Fabricius (Lepidoptera, Nymphalidae) Zoologia
Moreira,Gilson R.P; Correa,Claudine A; Mugrabi-Oliveira,Elna.
For the first time the pollination of a poorly known, terrestrial orchid, Habenaria pleiophylla Hoehne & Schlechter, 1921 (Orchidaceae) by a passion vine butterfly, Heliconius erato phyllis (Fabricius, 1775) (Lepidoptera, Nymphalidae) is reported. Number of pollinia-carrying individuals was determined on a population of H. erato phyllis in Horto Florestal Barba Negra, Barra do Ribeiro County, Rio Grande do Sul State. The pollination mechanism was described under laboratory conditions, in association with the butterfly feeding habit and the orchid flower morphology. Habenaria pleiophylla pollinia are cemented during nectar feeding on the ventral portion of the compound eyes near H. erato phyllis proboscis base. The pollinia are transferred to the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Nymphalidae; Heliconius; Orchidaceae; Habenaria; Pollination.
Ano: 1996 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81751996000300027
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