Results 11 to 20 of about 920 (188)

First record of Oldenlandia corymbosa (Spermacoceae-Rubiaceae), a new alien species for Paraguay and Argentina [PDF]

open access: yesBoletín de la Sociedad Argentina de Botánica, 2022
Background and aims: During the revision of the southern South American species of Oldenlandia, populations of O. corymbosa were found in Paraguay and Argentina.
Mariela Nuñez Florentin
doaj   +6 more sources

O gênero Staelia Cham. & Schltdl. (Rubiaceae - Spermacoceae) no Estado de Pernambuco, Brasil The genus Staelia Cham. & Schltdl. (Rubiaceae - Spermacoceae) in the State of Pernambuco, Brazil [PDF]

open access: diamondActa Botânica Brasílica, 2004
O trabalho consiste do estudo taxonômico das espécies de Staelia no Estado de Pernambuco. Quatro espécies foram registradas: S. aurea K. Schum., S. galioides DC., S. vestita K. Schum. e S. virgata (Roem. & Schult.) K. Schum.
Elnatan Bezerra de Souza   +1 more
doaj   +7 more sources

Colleters in American Spermacoceae Genera of Rubiaceae: morphoanatomical and evolutionary aspects [PDF]

open access: yesInternational Journal of Plant Sciences, 2017
Premise of research: The primary goal of this study is to describe the colleters on vegetative and reproductive organs in the Spermacoceae tribe and to characterize their morphoanatomy, their distribution, and some functional and evolutionary aspects ...
González, Ana María   +2 more
core   +6 more sources

Revisão de Mitracarpus (Rubiaceae - Spermacoceae) para o Brasil [PDF]

open access: diamondRodriguésia, 2010
Resumo O presente trabalho consiste da revisão de Mitracarpus para o Brasil, com base em observações de campo e estudo de espécimes de herbário. Mitracarpus é um gênero neotropical, distribuindo-se desde o sul dos Estados Unidos até o centro da Argentina,
Elnatan Bezerra de Souza   +2 more
doaj   +5 more sources

Revisiting Psyllocarpus intermedius (Rubiaceae, Spermacoceae): an updated description with a new synonym [PDF]

open access: bronzeNordic Journal of Botany, 2023
Borreria catolensis , described based on specimens lacking mature fruits and seeds, is here treated as a new synonym of Psyllocarpus intermedius (Rubiaceae, Spermacoceae), an endemic species from the state of Bahia, northeastern Brazil.
João Afonso Martins do Carmo   +4 more
semanticscholar   +4 more sources

Multi-loci phylogeny and morphological evidence support the recognition of Januaria (Spermacoceae, Rubiaceae), a new monospecific genus endemic to the North of Minas Gerais (Brazil) [PDF]

open access: diamondAnais da Academia Brasileira de Ciências, 2023
Januaria is described as a new monospecific genus of Rubiaceae, based on material from Januária, northern Minas Gerais, Brazil. The new taxon is endemic to Brazil, occurring in a vegetation type that is known locally as “carrasco”, in the southern limit ...
MARIELA NUÑEZ-FLORENTIN   +4 more
doaj   +4 more sources

Paranotis halfordii (Rubiaceae: Spermacoceae), a new species from the Kimberley region of Western Australia, in a recently described Australian genus [PDF]

open access: diamondTelopea, 2020
Paranotis halfordii K.L.Gibbons & S.J.Dillon, a new species from the Dampierland and Central Kimberley IBRA bioregions of Western Australia, is here described.
Kerry Lynne Gibbons, Steven J Dillon
core   +5 more sources

Mitracarpus semirianus (Spermacoceae, Rubiaceae), an overlooked new species from the “campo rupestre” of Bahia, northeastern Brazil, with notes on Mitracarpus lhotzkyanus [PDF]

open access: diamondPlant Ecology and Evolution, 2022
Background and aims – Mitracarpus semirianus, an overlooked new species from the “campo rupestre” of the Chapada Diamantina, in the state of Bahia, northeastern Brazil, is here described and illustrated.
João Carmo   +3 more
doaj   +5 more sources

Evolution of woody life form on tropical mountains in the tribe Spermacoceae (Rubiaceae) [PDF]

open access: bronzeAmerican Journal of Botany, 2017
PREMISE OF THE STUDY: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. Three of the largest woody lineages (Arcytophyllum, Hedyotis, and Kadua) are characterized by their distribution in the moist tropical mountains and have disjunct distribution patterns ...
Suman Neupane   +5 more
semanticscholar   +5 more sources

Morphological and molecular data confirm the transfer of homostylous species in the typically distylous genus Galianthe (Rubiaceae), and the description of the new species Galianthe vasquezii from Peru and Colombia [PDF]

open access: yesPeerJ, 2017
Galianthe (Rubiaceae) is a neotropical genus comprising 50 species divided into two subgenera, Galianthe subgen. Galianthe, with 39 species and Galianthe subgen. Ebelia, with 11 species.
Javier Elias Florentín   +5 more
doaj   +7 more sources

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