Results 21 to 30 of about 712 (175)

The complete organellar genomes of the entheogenic plant Psychotria viridis (Rubiaceae), a main component of the ayahuasca brew [PDF]

open access: yesPeerJ, 2022
Psychotria viridis (Rubioideae: Rubiaceae), popularly known as chacrona, is commonly found as a shrub in the Amazon region and is well-known to produce psychoactive compounds, such as the N,N-dimethyltryptamine (DMT).
Alessandro M. Varani   +8 more
doaj   +3 more sources

Evaluation of antioxidant potential of medicinal plants from Malaysian Rubiaceae (subfamily Rubioideae) [PDF]

open access: diamondAfrican Journal of Biotechnology, 2010
Este documento evalúa el potencial antioxidante de 22 especies de plantas medicinales de Rubiaceae de Malasia. Se emplearon los ensayos de tiocianato férrico (FTC), ácido tiobarbitúrico (TBA), contenido fenólico total (TPC) y 1,1-difenil-2-picrilhidrazilo (DPPH).
Rohana Ahmad   +6 more
openalex   +3 more sources

Desenvolvimento do rudimento seminal em Borreria verticillata (L.) G. Mey. (Rubiaceae - Rubioideae - Spermacoceae) [PDF]

open access: hybridRevista Brasileira de Botânica, 2004
The structural characteristics of the ovule formation are an important tool for the systematics of the Rubiaceae family. This paper describes the ovule ontogeny and ginosporogenesis (megasporogenesis) of Borreria verticillata (L.) G. Mey. in order to classify this species based on the evolutive diagrams proposed for the Rubiaceae family.
Karen L. G. De Toni   +1 more
openalex   +4 more sources

Análise comparativa da anatomia da madeira de 41 espécies de Rubiaceae sob enfoque taxonômico. [PDF]

open access: yesBoletín de la Sociedad Argentina de Botánica, 2016
Rubiaceae é uma das famílias mais complexas do ponto de vista taxonômico, fato comprovado pelas inúmeras alterações ocorrentes ao longo dos anos na sua organização interna.
Talita Baldin   +3 more
doaj   +3 more sources

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]

open access: diamondHoehnea
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   +3 more
doaj   +2 more sources

MoccaDB - an integrative database for functional, comparative and diversity studies in the Rubiaceae family [PDF]

open access: yesBMC Plant Biology, 2009
Background In the past few years, functional genomics information has been rapidly accumulating on Rubiaceae species and especially on those belonging to the Coffea genus (coffee trees).
De Block Petra   +11 more
doaj   +7 more sources

Contributions to the Wood Anatomy of the Rubioideae (Rubiaceae) [PDF]

open access: closedJournal of Plant Research, 2001
The secondary xylem of Craterispermeae, Coussareeae, Morindeae s.str., Prismatomerideae, Pauridiantheae, Urophylleae, and Triainolepideae (Rubiaceae, Rubioideae) is described and illustrated in detail. Genera that were previously placed in the Morindeae or Psychotrieae such as Damnacanthus, Lasianthus, Saldinia, and Trichosfachys are also included ...
Steven Jansen   +5 more
  +5 more sources

ALUMINIUM ACCUMULATION IN RUBIACEAE: AN ADDITIONAL CHARACTER FOR THE DELIMITATION OF THE SUBFAMILY RUBIOIDEAE? [PDF]

open access: bronzeIAWA Journal, 2000
The chrome azurol-S test, which is a chemical spot-test for Al accumulation in wood, was applied to 443 wood samples of members of the Rubiaceae. A positive reaction was found in 103 specimens. Comparison of the results with earlier analyses of leaves of Rubiaceae shows that Al accumulation occurs more frequently in leaves than in wood.
Steven Jansen   +3 more
openalex   +2 more sources

Wood Anatomy of the Predominantly African Representatives of the Tribe Psychotrieae (Rubiaceae-Rubioideae) [PDF]

open access: bronzeIAWA Journal, 1997
Wood samples of representatives of Chassalia, Chazaliella, Gaertnera, Hymenocoleus, Pagamea and Psychotria are examined. The generic delimitation of these predominantly African Psychotrieae, which is mainly based on fruit morphology, is compared with wood anatomical variation patterns. Part of the variation observed is related to habit, e. g.
Steven Jansen   +3 more
openalex   +3 more sources

Chromosomes of Neotropical Rubiaceae. I: Rubioideae1

open access: greenAnnals of the Missouri Botanical Garden, 2010
This paper presents chromosome data for 130 accessions of 91 species or subspecific taxa representing 26 genera of Neotropical Rubioideae (Rubiaceae). It includes the first chromosome counts for the tribe Perameae, for 11 genera, and for 71 species and subspecific taxa.
Michael Kiehn
openalex   +3 more sources

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