Results 31 to 40 of about 920 (188)

New occurrence of Mitracarpus frigidus (Willd. ex Roem. & Schult.) K.Schum. (Rubiaceae, Spermacoceae) in the State of Ceará, Brazil [PDF]

open access: yesHoehnea, 2023
We report a new occurrence of Micracarpus frigidus (Willd. ex Roem. & Schult. K.Schum. in the Brazilian State of Ceará, collected at the Serra das Matas residual massif.
Leonardo de Sousa Rodrigues   +2 more
doaj   +2 more sources

Nuevas combinaciones y nuevos sinónimos en especies de Brasil de Diodia s. lat. (Spermacoceae - Rubiaceae) [PDF]

open access: diamondRodriguésia, 2010
Resumen Durante la actualización de la lista de especies de la tribu Spermacoceae (Rubiaceae) de Brasil se realizaron algunas consideraciones nomenclaturales para cinco nombres publicados de Diodia.
Elsa L. Cabral, Andrea A. Cabaña Fader
doaj   +2 more sources

Nuevas especies de la tribu Spermacoceae (Rubiaceae) para la flora de Brasil New species of the tribe Spermacoceae (Rubiaceae) for the Brazil flora [PDF]

open access: yesActa Botânica Brasílica, 1997
Se describen e ilustran cuatro especies nuevas para la flora de Brasil: Borreria paulista del Estado de São Paulo, B. rosmariinifolia del Estado de Minas Gerais, Mitracarpus steyermarkii y Psyllocarpus intermedias del Estado de Bahia.Four new species of ...
Elsa L Cabral, Nélida M Bacigalupo
doaj   +5 more sources

Morfología polínica de Staelia s.l. (Rubiaceae) . [PDF]

open access: yesBoletín de la Sociedad Argentina de Botánica, 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.
Roberto M. Salas, Elsa L. Cabral
doaj   +5 more sources

The Evolutionary Responses of Life-history Strategies to Climatic Variability in Flowering Plants [PDF]

open access: yesNew Phytologist, Volume 240, Issue 4, Page 1587-1600, November 2023., 2023
The evolution of annual or perennial strategies in flowering plants likely depends on a broad array of temperature and precipitation variables. Previous documented climate life-history correlations in explicit phylogenetic frameworks have been limited to
Beaulieu, Jeremy M.   +3 more
core   +3 more sources

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

open access: diamondActa 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   +4 more
doaj   +2 more sources

Bouvardia viticella (Rubiaceae, Spermacoceae), a New Species from the Mixed Temperate Forest of Mexico [PDF]

open access: bronzeNovon: A Journal for Botanical Nomenclature, 2006
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
Francisco G. Lorea-Hernández   +1 more
openalex   +3 more sources

Borreria savannicola (Spermacoceae, Rubiaceae), a new species from savanna patches within the Caatinga, Ceará State, Brazil

open access: greenPhytotaxa, 2022
A new species of Borreria from savanna vegetation found within the Caatinga in northwestern Ceará, Brazil, is described and illustrated. Borreria savannicola has an affinity with B.
Elnatan Bezerra de Souza   +3 more
openalex   +2 more sources

Molecular phylogeny and character evolution shed light on the relationships and classification of the Neotropical genus Galianthe (Rubiaceae: Spermacoceae) [PDF]

open access: bronzeTaxon
The Neotropical genus Galianthe belongs to the tribe Spermacoceae, which constitutes one of the largest herbaceous lineages within the family Rubiaceae. This genus comprises 55 species traditionally divided into two subgenera: G. subg. Galianthe, with 40
Javier E. Florentín   +5 more
openalex   +2 more sources

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

open access: yesBoletín de la Sociedad Argentina de Botánica, 2012
Se describe una nueva especie del género Borreria denominada B. orientalis, aparentemente exclusiva de la provincia fitogeográfica Paranaense en Argentina, Paraguay y Brasil. Los materiales analizados de la nueva especie fueron erróneamente identificados
Elsa L Cabral   +2 more
doaj   +3 more sources

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