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Biologia reprodutiva de Psychotria spectabilis Steyrm. e Palicourea cf. virens (Poepp & Endl.) Standl. (Rubiaceae) em uma floresta tropical úmida na região de Manaus, AM, Brasil Reproductive biology of Psychotria spectabilis Steyrm. and Palicourea cf. virens (Poepp. & Endl.) Standl. (Rubiaceae) in a moist tropical forest at Manaus, Amazonas State, Brazil

open access: yesActa Botânica Brasílica, 2008
Este estudo descreve a fenologia reprodutiva, morfologia e biologia floral, polinização e sucesso reprodutivo de Psychotria spectabilis e Palicourea cf. virens. Psychotria spectabilis floresceu de setembro a dezembro enquanto Palicourea cf.
Otilene dos Anjos Santos   +2 more
doaj   +1 more source

Nilai taksonomi arsitektur daun : ixora dan psychotria [PDF]

open access: yes, 2023
Ixora dan Psychotria adalah dua genus yang berbeda dalam Famili Rubiaceae yang ditemukan di Kebun Raya Bogor. Ixora dan Psychotria tergolong genus yang dekat yang menyebabkan keduanya pernah salah dalam identifikasi.
Larasati, Winda
core   +1 more source

Lectotypification and a new synonym in Palicourea (Rubiaceae)

open access: yesAnales del Jardín Botánico de Madrid, 2016
Here we designate specimen no. 10424 from the Museu Nacional (R) as the lectotype of Palicourea rudgeoides (Müll. Arg.) Standl. [Psychotria rudgeoides Müll. Arg., basion.], and assign a new synonym for Palicourea fulgens (Müll.
Carla Y’ Gubáu Manão   +2 more
doaj   +1 more source

Psychotria

open access: yes, 2020
Morphological diversification in Psychotria of Madagascar <p> Below several unusual morphological characters of <i>Psychotria</i> in Madagascar are highlighted and some terminology is clarified, because much <i>Psychotria</i ...
Taylor, Charlotte M.
core   +1 more source

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

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  

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

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

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