Results 111 to 120 of about 3,902 (197)
, 2007 "Why have separate sexes?" is a fundamental question in biology and has been investigated intensively since Darwin first proposed two hypotheses: Separate sexes evolve 1) to avoid detrimental effects of self-fertilization or 2) to improve allocation of ...
Scobell, Summer
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Inflorescences of Cliffortia L. (Rosaceae) and related vegetative branching patterns
Bothalia: African Biodiversity & Conservation, 2003 The inflorescence construction of eight species, representative of the types found in the 119 species of the rosaceous genus Cliffortia L. is described, based on stereo microscopic examination of fresh and dried specimens, combined with extensive field ...
A. C. Fellingham, H. P. Linder
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Sexual systems in gymnosperms: a review [PDF]
, 2018 The aim of this study was to update figures for the presence of dioecy among the gymnosperms and investigate its correlation with climate, growth form, pollination and seed dispersal syndromes, and risk of extinction.
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Transition model for the hermaphroditism-dioecy continuum in higher plants
Ecological Modelling, 2023 K. Masaka, T. Takada
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DIOECY EFFECT ON GROWTH OF PLANTED Araucaria angustifolia Bert. O. Kuntze TREES
, 2015 The aim of the study was to evaluate the influence of dioecy on the growth in diameter at breast height (DBH), individual basal area, total height and individual volume of planted Araucaria angustifolia trees.
Retslaff,Fabiane Aparecida de Souza +4 more
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Data from: Repeated Evolution of Dioecy from Monoecy in Siparunaceae (Laurales)
, 2009 Siparunaceae comprise Glossocalyx with one species in West Africa and Siparuna with 65 species in the neotropics; all have unisexual flowers, and 15 species are monoecious, 50 dioecious.
Won, Hyosig, Renner, Susanne S.
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Ecology and Evolution, 2013 Negative frequency‐dependent selection should result in equal sex ratios in large populations of dioecious flowering plants, but deviations from equality are commonly reported.
Melinda Pickup, Spencer C. H. Barrett
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Dioecy and its correlates in the flowering plants [PDF]
, 1995 Ricklefs, Robert E., Renner, Susanne S.
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Functional dioecy in Gleditsia amorphoides (Fabaceae)
, 2018 The genus Gleditsia (Fabaceae) comprises woody shrubs and trees that grow in temperate and subtropical regions around the world. This genus is characterised by sexual polymorphism and functionally unisexual flowers.
M. C. Cerino +4 more
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Acta Botânica BrasílicaPrevious ecological studies of dioecious plant species have found that female plants preferentially occur at lower altitudes where there are typically better nutritional conditions, while male plants often occur in less favorable sites.
G. Wilson Fernandes +5 more
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