Results 31 to 40 of about 660 (188)

Is distyly in subtropical Psychotria brachyceras (Rubiaceae) similar to the general trends observed for the genus?

open access: yesActa Botânica Brasílica, 2022
Distyly is a floral polymorphism that promotes cross-pollination through precise pollination. Psychotria is a mostly tropical genus of distylous Rubiaceae.
Renata Trevizan   +4 more
doaj   +1 more source

Functional Heterostyly in Tylosema esculentum (Caesalpinioideae) [PDF]

open access: yesAnnals of Botany, 2002
Tylosema esculentum is a long-lived perennial species endemic to arid areas of southern Africa. Its potential as a crop species has long been recognized as a result of the high oil and protein content of its seeds. The reproductive biology and breeding systems of the species were investigated in wild and experimental populations growing in Botswana ...
Mary Luisa, Hartley   +2 more
openaire   +2 more sources

Heterostyly in Linum aretioides

open access: yesTurkish Journal of Botany, 2013
The petal width; sepal, pistil, and stamen lengths; and changes in pollen sizes associated with heterostyly of different morphs in populations of Linum aretioides Boiss. were investigated. Fruit sets were compared in 2 populations and it was investigated whether the Bozdag population has a heteromorphic incompatibility system.
Guvensen, Aykut   +2 more
openaire   +2 more sources

Evolution of Autonomous Selfing in Marginal Habitats: Spatiotemporal Variation in the Floral Traits of the Distylous Primula wannanensis

open access: yesFrontiers in Plant Science, 2021
Outcrossing plant species are more likely to exhibit autonomous selfing in marginal habitats to ensure reproduction under conditions of limited pollinator and/or mate availability.
Wei Zhang   +8 more
doaj   +1 more source

Reproductive studies in ipecac (Psychotria ipecacuanha (Brot.) stockes; Rubiaceae): pollen development and morphology

open access: yesBrazilian Archives of Biology and Technology, 2008
The aim of this work was to carry out the reproductive studies on Brazilian accessions of ipecac, Psychotria ipecacuanha. It presented heterostyly, with brevistylous and longistylous flowers.
Margarete Magalhães Souza   +3 more
doaj   +1 more source

Pollination, fertilization and fruit formation in eggplant (Solanum melongena L.)

open access: yesActa Agrobotanica, 2012
The aim of the investigations was to determine the regularity of pollination and fertilization as dependent on the phenotype of flower in eggplant. The experiment was conducted in 2005 and 2006 at the Agricultural University in Kraków, Poland. The object
Agnieszka Sękara, Monika Bieniasz
doaj   +1 more source

Divergent pollination system and morph-dependent effects of corolla length on inaccuracy of reciprocity and reproductive success of a distylous species of Rubiaceae

open access: yesActa Botânica Brasílica, 2021
Intraspecific floral variations may affect the degree of generalization and efficacy of pollinators, with consequences for plant reproductive success.
Alessandra Ribeiro Pinto   +3 more
doaj   +1 more source

Floral Scent Variation in the Heterostylous Species Gelsemium sempervirens

open access: yesMolecules, 2019
Gelsemium sempervirens (L.) W.T. Aiton, a distylous woody vine of the family Gelsemiaceae, produces sweetly fragrant flowers that are known for the toxic alkaloids they contain.
Bettie Obi Johnson   +4 more
doaj   +1 more source

Sexual organs of Sarcotheca macrophylla Blume (Oxalidaceae), an endemic species of Borneo with two floral types confirmed as heterostyly

open access: yesJournal of Asia-Pacific Biodiversity
: Sarcotheca macrophylla Blume (Oxalidaceae), an endemic plant species to Borneo, consists of short-styled (S-morph) and long-styled (L-morph) flowers, referred to as heterostyly.
Esthi Liani Agustiani   +4 more
doaj   +1 more source

Biostimulant Application Enhances Fruit Setting in Eggplant—An Insight into the Biology of Flowering

open access: yesAgronomy, 2019
Eggplant (Solanum melongena L.) is a warm climate crop. Its cultivation extends to temperate regions where low temperatures can affect the course of the generative phase, which is primarily sensitive to abiotic stress.
Alicja Pohl   +3 more
doaj   +1 more source

Home - About - Disclaimer - Privacy