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Taxonomía de spermacoce eryngioides (rubiaceae) y transferencia de borreria secc. pseudodiodia a spermacoce
(Sociedad Argentina de Botánica, 2016-10-12)
Spermacoce eryngioides fue considerada en los últimos 20 años como una especie del género Borreria con las variedades affinis, eryngioides y ostenii. En este trabajo se analizaron microcaracteres florales, carpológicos, ...
Three new species of mitracarpus zucc. (rubiaceae) from Brazil
(Conservatoire et Jardin Botaniques de la Ville de Genève, 2013-07-12)
Three new species of Mitracarpus Zucc. (Rubiaceae), Mitracarpus carajasensis E. L. Cabral, Sobrado & E. B. Souza, Mitracarpus federalensis E. L. Cabral, Sobrado & E. B. Souza and Mitracarpus fernandesii E. L. Cabral, Sobrado ...
Intraspecific variation of insertion/length of stamens in homostylous flowers of a new species and three other species of borreria : an unusual case in rubiaceae
(Magnolia Press, 2015-05-01)
Four species of Borreria subsection Latifoliae (Rubiaceae) present intrafloral variations in the insertion/length of stamens
in homostylous flowers. Borreria heteranthera is described and illustrated as new species from ...
Two new species of borreria (spermacoceae, rubiaceae) from the states of Goiás and Minas Gerais, Brazil
(Magnolia Press, 2015)
Two new species of Borreria from Goiás and Minas Gerais are described and illustrated. Borreria minensis was found in
“campos rupestres” formation, between 1100 and 1600 m elevation, and is endemic to Minas Gerais, while ...
Carajasia (rubiaceae), a new endangered genus from carajás mountain range, Pará, Brazil
(Magnolia Press, 2015)
Carajasia is described as a new genus of Rubiaceae. It is so far known only from the mountain summits of Serra dos Carajás (Pará, Brazil), where it is part of a shrubby vegetation surrounded by tropical rainforest. The new ...
Morfología polínica de staelia s.l. (rubiaceae)
(Jardim Botanico do Rio de Janeiro, 2014)
Este trabajo trata el estudio de los granos de polen de Staelia s.l. Actualmente, es un
grupo escasamente estudiado en este aspecto, ya que solo se describieron cuatro de 25 especies. Se
estudió el polen de todas las ...
Synopsis of hexasepalum (rubiaceae), the priority name for diodella and a new species from Brazil
(American Society of Plant Taxonomists, 2016-06-28)
Hexasepalum is the priority name for Diodella. In the present paper, we provide a synopsis of Hexasepalum. The genus differs from the remaining genera of the tribe Spermacoceae by the combination of infundibuliform flowers, ...
Borreria apodiensis (rubiaceae: spermacoceae), a new species from ceará and Rio Grande do norte, Brazil
(Sociedad Botánica de Brasil, 2016)
A new species of Borreria (Rubiaceae) from Chapada do Apodi in northeastern Brazil is described and illustrated. A distribution map, illustrations, a conservation assessment, a key to morphologically similar taxa and images ...
Sobre la identidad de spermacoce polygonifolia y spermacoce perijaensis (spermacoceae-rubiaceae)On the identity of spermacoce polygonifolia and spermacoce perijaensis (rubiaceae)
(Jardim Botanico do Rio de Janeiro, 2015)
Dos nuevas combinaciones en especies de la tribu Spermacoceae para Sudamérica son aquí presentadas:
Spermacoce polygonifolia se transfiere al género Mitracarpus y S. perijaensis a Tobagoa. Se elige lectotipo
para Tobagoa ...