unisexual

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unisexual

(of some organisms) having either male or female reproductive organs but not both

Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

References in periodicals archive ?

Synapomorphies uniting Canrightia with the crown group are sessile flowers, inferior ovary, one perianth whorl, and orthotropous ovule, while the crown group is further united by unisexual flowers, one stamen, and one carpel.

Phylogenetic Analyses of Cretaceous Fossils Related to Chloranthaceae and their Evolutionary Implications

Histocompatibility analysis of clonal diversity in unisexual hybrids of the killifishes Fundulus heteroclitus and Fundulus diaphanus.

Rapid Expansion of Banded Killifish Fundulus diaphanus across Northern Illinois: Dramatic Recovery or Invasive Species?

The unisexual, internally fertilised, live-bearing Amazon molly-fish Poecilia formosa (Girard, 1859) from northeast Mexico and southern Texas is a well-known gynogen.

A Unique Conjunction: Evidence for Gynogenesis Accompanying Haplodiploid Sex Determination in the Australian Ant Myrmecia impaternata Taylor

Changes in prevalence and intensity of larvae in an opportunistically collected sample of faeces should reflect changes in the proportion of fawns in the population, as well as weather-related transmission rates determining the frequency of sterile unisexual infections.

CONSIDERING WEATHER-ENHANCED TRANSMISSION OF MENINGEAL WORM, PARELAPHOSTRONGYLUS TENUIS, AND MOOSE DECLINES

(iv) Pollination of Unisexual and Aggregated Flowers.

Some Unresolved Issues of Measuring the Efficiency of Pollinators: Experimentally Testing and Assessing the Predictive Power of Different Methods

Unisexual (all female) Ambystoma salamanders produce offspring using a special form of reproduction known as kleptogenesis, in which insemination by a sexual male species is necessary to trigger egg development, but the male's genome is often not incorporated into the zygote.

Environmental Science & Ecology

Deceitful pollination by anther-mimicking stigma had been known earlier only in cases of species with unisexual flowers.

Ecologia de la polinizacion de Clerodendrum indicum (Lamiaceae): primer informe de la polinizacion por engano imitando el estigma en una flor bisexual

Male phase of coenanthia lasted an average of 38 days in Dorstenia arifolia (12 days in unisexual male coenanthia) and 19 days in D.

FROM ANTHESIS TO DIASPORE DISPERSAL: REPRODUCTIVE MECHANISMS OF RARE HERBACEOUS MORACEAE SPECIES ENDEMIC TO BRAZIL

Sex ratio and unisexual sterility in hybrid animals.

Karyotypes of Cualac tesselatus and Floridichthys carpio comments on the phylogenetic distribution of multiple sex chromosomes in North American cyprinodontids

Geographical distribution of the unisexual whiptail Cnemidophorus neomexicanus (Sauria: Teiidae)-present and past.

Distinguishing characters and variation in Aspidoscelis neomexicana (Squamata: Teiidae): a little known diploid parthenogenetic whiptail lizard in Texas

1- All fireflies are unisexual, so that one firefly will be attracted to all other fireflies.

Apply Firefly Optimization to Increase Period Routing Algorithm in Wireless Sensor Networks

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