Results 101 to 110 of about 1,510 (202)

Long story short

open access: yeseLife, 2016
One of the genes responsible for producing different "morphs" of primrose flowers has been identified.
John R Pannell, Guillaume Cossard
doaj   +1 more source

Breeding biology and distyly in Palicourea rigida H. B. & K. (Rubiaceae) in the Cerrados of Central Brazil Biologia reprodutiva e distilia em Palicourea rigida H. B. & K. (Rubiaceae) em Cerrados do Brasil Central

open access: yesActa Botânica Brasílica, 2010
Distyly is a floral polymorphism more common among the Rubiaceae than in any other angiosperm group. Palicourea rigida is a typically distylous species of the Rubiaceae widely distributed in the Brazilian Cerrados.
Adriana de Oliveira Machado   +4 more
doaj   +1 more source

Reproductive studies on ipecac (Cephaelis ipecacuanha (Brot.) A. Rich; Rubiaceae): meiotic behavior and pollen viability

open access: yesBrazilian Journal of Biology
Reproductive studies were carried out on Brazilian accessions of ipecac, Cephaelis ipecacuanha. Meiotic behavior was studied using the squashing technique.
M. M. Souza   +3 more
doaj   +1 more source

Biologia floral e heterostilia em Vismia guianensis (Aubl.) Choisy (Clusiaceae) Floral biology and heterostyly in Vismia guianensis (Aubl.) Choisy (Clusiaceae)

open access: yesActa Botânica Brasílica, 1998
Os estudos da biologia floral e reprodutiva e a caracterização da heterostilia em Vismia guianensis realizaram-se na Reserva Ecológica de Dois Irmãos, Recife, PE, entre novembro/1997 e fevereiro/ 1998. V.
Mary Janice Lima dos Santos   +1 more
doaj   +1 more source

The draft genome of Primula veris yields insights into the molecular basis of heterostyly

open access: yes, 2020
Background The flowering plant Primula veris is a common spring blooming perennial that is widely cultivated throughout Europe. This species is an established model system in the study of the genetics, evolution, and ecology of heterostylous floral ...
Nowak, Michael D.   +5 more
core   +1 more source

Genome size, morphological and palynological variations, and heterostyly in some species of the genus Linum L. (Linaceae) in Iran [PDF]

open access: yes, 2016
Heterostyly is the occurrence of flowers with different sexual organ arrangements in different plants of the same species. This floral polymorphism occurs in four sections of genus Linum.
Talebi, Seyed Mehdi   +4 more
core   +1 more source

Heterostyly in Salvia brandegei (Lamiaceae)

open access: yes, 1984
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
openaire   +1 more source

Morpho-anatomical and morphometric studies of the floral structures of the distylous Oldenlandia salzmannii (Rubiaceae)

open access: yesActa Botânica Brasílica
The genus Oldenlandia (Rubiaceae) has a conflicting generic delimitation, with representatives that show different floral syndromes. Oldenlandia salzmannii is a marshy herb that is widespread in South America. It is heterostylous, specifically distylous,
Mariela Nuñez Florentin   +2 more
doaj   +1 more source

Biologia reprodutiva de Psychotria carthagenensis (Rubiaceae), espécie distílica de fragmento florestal de mata ciliar, Centro-Oeste do Brasil

open access: yesRodriguésia
Resumo Este estudo teve por objetivos analisar a fenologia de floração, a biologia e a morfologia floral, o sistema e o sucesso reprodutivo dos morfos florais de Psychotria carthagenensis Jacq.
Ana Kelly Koch   +2 more
doaj   +1 more source

Atypical distyly in Psychotria goyazensis Mull. Arg. (Rubiaceae), an intramorph self-compatible species

open access: yesActa Botânica Brasílica, 2013
Distyly is a genetically controlled floral dimorphism, characterized by the reciprocal positioning of pin and thrum morphs, a heteromorphic incompatibility system and a balanced morph ratio (isoplethy).
Ebenezer Barbosa Rodrigues   +1 more
doaj  

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