Results 1 to 10 of about 4,156 (172)

Two new combinations, lectotypifications and a new name for Costa Rican Palicourea s.l.

PhytoKeys, 2017
Species of the complex and diverse genera Psychotria and Palicourea are common but little-known elements in many tropical forest ecosystems. DNA-phylogenetic studies and a re-evaluation of morphological characters have recently shown that species of ...
Andreas Berger
doaj   +3 more sources

Identification of genes encoding ALMT and MATE transporters as candidate aluminum tolerance genes from a typical acid soil plant, Psychotria rubra (Rubiaceae) [PDF]

PeerJ, 2019
To understand how tropical plants have adapted to acid soils, we analyzed the transcriptome of seedlings of Psychotria rubra, a typical species found on acid soils. Using RNA-seq, we identified 22,798 genes, including several encoding proteins of the Al3+
Akira Iguchi, Kazutsuka Sanmiya, Kenta Watanabe   +2 more
doaj   +2 more sources

Molecular and Morphological Identification of Psychotria sp. Bogor Botanical Gardens Collection

Sains Natural
Psychotria is the largest genus in the Rubiaceae family and is considered taxonomically complex due to the limited availability of diagnostic morphological characters. This study aimed to identify a Psychotria sp.
Alifah Nur Anzani, Nia Yuliani, Irfan Martiansyah   +2 more
doaj   +1 more source

Floral biology and breeding system of Psychotria tenuinervis Muell. Arg. (Rubiaceae) in the Atlantic rain forest, SE Brazil Biologia floral e sistema reprodutivo de Psychotria tenuinervis Muell. Arg. (Rubiaceae) na Floresta Atlântica, SE Brasil

Acta Botânica Brasílica, 2007
(Floral biology and breeding system oi Psychotria tenuinervis Muell. Arg. (Rubiaceae) in the Atlantic rain forest, SE Brazil). The aim of this study was to investigate pollination biology, floral morphometry, morph ratio and breeding system oiPsychotria ...
Carolina Bernucci Virillo, Flavio Nunes Ramos, Cibele Cardoso de Castro, João Semir   +3 more
doaj   +1 more source

Espécies arbóreo-arbustivas da família Rubiaceae Juss. na bacia do rio Tibagi, PR, Brasil

Hoehnea
RESUMO Rubiaceae, a quarta maior família de angiospermas em número de espécies no mundo, é reconhecida pelas folhas opostas, estípulas interpeciolares, corola gamopétala e ovário ínfero.
Miguel Ferreira Junior, Ana Odete Santos Vieira   +1 more
doaj   +1 more source

Superfície da lâmina foliar de Psychotria nuda (Cham. & Schltdl.) Wawra, P. leiocarpa Cham. & Schltdl., P. stenocalyx Müll. Arg. e P. tenuinervis Müll. Arg. (Rubiaceae) Leaf surface of Psychotria nuda (Cham. & Schltdl.) Wawra, P. leiocarpa Cham. & Schltdl., P. stenocalyx Müll. Arg. e P. tenuinervis Müll. Arg. [Rubiaceae]

Acta Botânica Brasílica, 1995
São apresentados dados relativos à micromorfologia da superfície foliar de quatro espécies de Psychotria. O estudo foi realizado em indivíduos que ocorrem na Floresta Pluvial Tropical (Mata Atlântica). Atenção especial é dada ao tipo de cera epicuticular
Ricardo Cardoso Vieira, Doria Maria Saiter Gomes   +1 more
doaj   +1 more source

Rubiaceae Juss. do Parque Estadual das Várzeas do Rio Ivinhema, MS, Brasil

Hoehnea
Este trabalho objetivou reconhecer os gêneros e espécies de Rubiaceae ocorrentes no Parque Estadual das Várzeas do Rio Ivinhema, MS, localizado na bacia do Paraná, entre as coordenadas 22K 0226719 UTM 7463768.
Zefa Valdivina Pereira, Luiza Sumiko Kinoshita   +1 more
doaj   +1 more source

Sustainable production of bioactive alkaloids in Psychotria L. of southern Brazil: propagation and elicitation strategies

Acta Botânica Brasílica
Psychotria is the largest genus in Rubiaceae. South American species of the genus are promising sources of natural products, mostly due to bioactive monoterpene indole alkaloids they accumulate.
Yve Verônica da Silva Magedans, Kelly Cristine da Silva Rodrigues-Corrêa, Cibele Tesser da Costa, Hélio Nitta Matsuura, Arthur Germano Fett-Neto   +4 more
doaj   +1 more source

Psychotria nervosa Wild Coffee

EDIS, 2007
This document provides an overview of Psychotria nervosa, commonly known as wild coffee, a native shrub of Florida. It details the plant’s characteristics, including its glossy green leaves, white flowers, and red fruit.
Edward Gilman
doaj   +1 more source

Fenologia de Psychotria nuda e P. Brasiliensis (Rubiaceae) em uma área de Floresta Atlântica no sudeste do Brasil Phenology of Psychotria nuda and P. brasiliensis (Rubiaceae) in an area of the Atlantic Forest, Southeast of Brazil

Acta Botânica Brasílica, 2000
Este estudo descreve os padrões fenológicos de duas espécies simpátricas, Psychotria nuda e P. brasiliensis, comparando-as quanto à fenologia e à distribuição espacial e relacionando os eventos fenológicos a fatores abióticos (pluviosidade, temperatura e
Elisângela Medeiros de Almeida, Maria Alice S. Alves   +1 more
doaj   +1 more source