Results 81 to 90 of about 598 (174)

Atividade citotóxica e antitumoral do extrato bruto etanólico de Spermacose poaya A. Saint-Hilaire (Rubiacee) em células normais e tumorais in vitro

Revista de Biologia Neotropical, 2011
Spermacoce poaya é uma espécie pertencente à família Rubiaceae, tribo Spermacoceae, gênero Borreria, popularmente conhecida no Brasil como poaia-do-campo, poaia-rasteira e poaia-do-arador.
Francyelli Mariana dos Santos Mello, Wanessa Carvalho Pires, Flávia de Castro Pereira, Aliny Pereira Lima, Cesar Augusto Sam Tiago Vilanova-CostA, Lucilia Kato, Elisangela de Paula Silveira-Lacerda   +6 more
doaj   +1 more source

Comentarios sobre la identidad taxonómica de Borreria valens (Rubiaceae) y descripción de Borreria orientalis, nueva especie de Argentina, Brasil y Paraguay

Boletín de la Sociedad Argentina de Botánica
Se describe una nueva especie del género Borreria denominada B. orientalis, aparentemente exclusiva de la provincia fitogeográfica Paranaense en Argentina, Paraguay y Brasil.
Elsa L. Cabral, Laila M. Miguel, Roberto M. Salas   +2 more
doaj   +1 more source

A new herbaceous genus endemic to Madagascar: **Phialiphora** (Spermacoceae, Rubiaceae)

, 2010
: Phialiphora Groeninckx is described as a new herbaceous genus of Rubiaceae, endemic to NW Madagascar. The genus belongs to the predominantly herbaceous tribe Spermacoceae, and comprises two species: P. bevazahensis Groeninckx and P.
Davis, Aaron, Smets, Erik, de Bock, Petra, Groeninckx, Inge, Briggs, Marie, Dessein, Steven, Robbrecht, Elmar   +6 more
core  

Rubiaceae Juss. of the restinga from APA of Algodoal/Maiandeua, Maracanã, Pará, Brazil [PDF]

Boletim do Museu Paraense Emílio Goeldi. Ciências Naturais, 2009
Rubiaceae is represented in the Ambiental Preservation Area (APA) of Algodoal/Maiandeua by 17 species, distributed over 15 genera. The tribes with most species were Gardenieae, with four species and Spermacoceae, with three.
Luciano Ferreira Margalho, Antonio Elielson Sousa da Rocha, Ricardo de Souza Secco   +2 more
doaj  

Expanding the distribution of Tapanhuacanga campinorum (K.Krause) P.L.R.Moraes (Rubiaceae, Rubioideae) to central-western Brazil: the first record for the State of Mato Grosso, in the Parque Estadual do Cristalino [PDF]

Hoehnea
We report the occurrence of Tapanhuacanga campinorum in the Parque Estadual do Cristalino, in the State of Mato Grosso, Central-West Brazil. This represents the first record of the genus in this State and the species in this region of the country, since ...
João Afonso Martins do Carmo, Sandra Virginia Sobrado, Javier Elias Florentín, Roberto Manuel Salas   +3 more
doaj   +1 more source

Data from: Evolution of woody life form on tropical mountains in the tribe Spermacoceae (Rubiaceae)

, 2017
Spermacoceae are mainly an herbaceous group in the Rubiaceae. However, a few lineages are woody, and are found in a diverse range of habitat types.
Shanks, Hunter Lee, Paudyal, Sushil, Neupane, Suman, Lewis, Paul O., Shanks, Hunter, Dessein, Steven, Lens, Frederic   +6 more
core   +1 more source

Two New Threatened Species of Psyllocarpus (Rubiaceae; Spermacoceae) from Eastern Brazil

Systematic Botany, 2018
Two new species of Psyllocarpus sect. Psyllocarpus are here described and illustrated. Psyllocarpus bahiensis and Psyllocarpus scatignae, from the campo rupestre s. l. of Bahia and Minas Gerais states, respectively. We provide comments on their distribution, habitat, conservation status, and taxonomy.
Martins Do Carmo, Joao Afonso, Sobrado, Sandra Virginia, Salas, Roberto Manuel, Olmos Simões, André   +3 more
openaire   +2 more sources

Linked collectors and determiners for: Two new species of Psyllocarpus (Spermacoceae, Rubiaceae) from the state of Minas Gerais, southeastern Brazil.

Natural history specimen data linked to collectors and determiners held within, "Two new species of Psyllocarpus (Spermacoceae, Rubiaceae) from the state of Minas Gerais, southeastern Brazil".
Bionomia
core   +4 more sources

Borreria apodiensis (Rubiaceae: Spermacoceae), a new species from Ceará and Rio Grande do Norte, Brazil

Acta Botânica Brasílica, 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 of the seeds and pollen grains
Elnatan Bezerra de Souza, Laila Mabel Miguel, Elsa Leonor Cabral, Francisco Álvaro Almeida Nepomuceno, Maria Iracema Bezerra Loiola   +4 more
doaj   +1 more source

FIGURE 2. Borreria savannicola. A in Borreria savannicola (Spermacoceae, Rubiaceae), a new species from savanna patches within the Caatinga, Ceará State, Brazil

, 2022
FIGURE 2. Borreria savannicola. A. Vegetation of the locality. B. Stipule. C. Branch with glomerule and stipule. D.–E. Detail of the glomerule and insect landing on the glomerule. F. Glomerule with fruits, view from below. G.
Souza, Elnatan Bezerra De, Da Costa Ribeiro, Maria Luiza R., Miguel, Laila Mabel, Nepomuceno, Álvaro   +3 more
core   +1 more source