Results 31 to 40 of about 3,655 (203)

Psychotria ovoidea Hooker 1880

open access: yes, 2018
8. Psychotria ovoidea Wall. ex Hooker (1880: 166). Type (lectotype, designated here): SINGAPORE. Sep 1822, N. Wallich s.n. [EIC 8383] (K-W barcode K 001125361, possible isolectotype K-W barcode K 001125360). Specimens examined: — PENINSULAR MALAYSIA: Perak: Ipoh, Kinta Hill Forest Reserve, 13 Oct 1966, Ramli Zainuddin KEP 99764 (K). Malacca, 26
Turner, I. M., Kumar, V. S.
  +8 more sources

A New Species of Psychotria Subgenus Psychotria (Rubiaceae) from Costa Rica

open access: yesNovon, 1994
An unusual new species with sessile inflorescences, Psychotria turrubarensis W. Burger & Q. Jimenez, is described and illustrated. It is only known from 1,600 m elevation in the Zona Protectora Cerro Turrubares of central Costa Rica. Cerro Turrubares is a prominent mountain on the Pacific slope just southwest of Costa Rica's Meseta Central.
William Burger   +2 more
openaire   +3 more sources

Multifunctional Monoamine Oxidases and Cholinesterases Inhibitory Effects, as well as UPLC-DAD-MS Chemical Profile of Alkaloid Fractions Obtained from Species of the Palicoureeae Tribe

open access: yesNatural Product Communications, 2016
In the present study, the effects were evaluated of alkaloid fractions (AFs) from Psychotria species and correlated genera, Palicourea and Rudgea , on monoamine oxidases (MAOs) and cholinesterases (ChEs).
Luiz Carlos Klein-Júnior   +10 more
doaj   +1 more source

Rediscovery of Chamisso’s type specimens of Hawaiian Psychotria (Rubiaceae, Psychotrieae) in the herbarium of the Natural History Museum, Vienna [PDF]

open access: yesPhytoKeys, 2018
Between 1815 and 1818, Count Nikolai Romanzoff funded an expedition of the Russian brig Rurik. Besides their primary goal to discover the Northeast Passage, their aim was to collect scientific specimens, for which the botanist Adelbert von Chamisso and ...
Andreas Berger
doaj   +3 more sources

Psychotria nuda Waw

open access: yes, 2023
Published as part of Maia, Valéria Cid & Mascarenhas, Bernardo, 2023, Insect galls of Parque Nacional da Serra dos Órgãos (Rio de Janeiro State, Southeastern Brazil), pp. 1-56 in Papéis Avulsos de Zoologia 63 on page 43, DOI: 10.11606/1807-0205/2023.63.040, http://zenodo.org/record ...
Maia, Valéria Cid   +1 more
openaire   +2 more sources

Optimization of purification process of total flavonoids from Psychotria asiatica by macroporous resin

open access: yesSiliao yanjiu, 2023
The study was to purify crude flavonoids from Psychotria asiatica by macroporous resin and determine the optimum purifying process for flavonoids. The study compared the adsorption and desorption performance of three macroporous resins including HP-20、AB-
YIN Li   +4 more
doaj  

Comparative leaf anatomy and micromorphology of Psychotria species (Rubiaceae) from the Atlantic Rainforest Anatomia e micromorfologia comparada da folha de espécies de Psychotria (Rubiaceae) da Floresta Atlântica

open access: yesActa Botânica Brasílica, 2011
The genus Psychotria comprises approximately 2,000 species that are mostly shrubs distributed in forests of the tropics and subtropics. Within the Rubiaceae, Psychotria is well known for its species that produce bioactive alkaloids and for its taxonomic ...
Tarsila Maria da Silva Moraes   +4 more
doaj   +1 more source

The complete chloroplast genome of Psychotria asiatica, Linnaeus 1759 (Rubiaceae)

open access: yesMitochondrial DNA. Part B. Resources, 2022
Psychotria asiatica is a typical traditional medicinal plant. Herein, we acquired and characterized the complete chloroplast (cp) genome sequence of P.
Xiaoshan Geng   +4 more
doaj   +1 more source

Polygamous breeding system identified in the distylous genus Psychotria: P. manillensis in the Ryukyu archipelago, Japan [PDF]

open access: yesPeerJ, 2021
Distyly is a genetic polymorphism composed of long-and short-styled flowers in a population. The evolutionary breakdown of distyly has been reported in many taxa, and mainly involves a shift toward monomorphism or dioecism.
Kenta Watanabe   +2 more
doaj   +2 more sources

Psychotria pallens Gardner

open access: yes, 2021
Published as part of Turner, Ian M, Brearley, Francis Q, Trethowan, Liam A & Utteridge, Timothy M A, 2021, A SURVEY OF ALUMINIUM ACCUMULATION IN EUMACHIA (RUBIACEAE), pp. 1-10 in Edinburgh Journal of Botany 78 (335) on page 10, DOI: 10.24823/EJB.2021.335, http://zenodo.org/record ...
Turner, Ian M   +3 more
openaire   +2 more sources

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