Results 121 to 130 of about 488 (157)
Disentangling the role of herkogamy, dichogamy and pollinators in plant reproductive assurance
Plant Ecology and Diversity, 2018 Background: Autonomous selfing can be favoured by reduced floral herkogamy, dichogamy and pollinator visitation.
Lorena Ashworth
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Synchronized dichogamy and dioecy in neotropicalLauraceae
Plant Systematics and Evolution, 1984In hermaphrodite neotropicalLauraceae a highly evolved dichogamous system is present which represents a kind of temporal dioecy. This system involves the existence of two flower morphs which are characterized by reciprocal phases of receptivity of the stigmas and pollen release.
Klaus Kubitzki, Holger Kurz
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Multiple sex expressions in Cimicifuga simplex: dichogamy destabilizes hermaphroditism
Biological Journal of the Linnean Society, 1987Cimicifuga simplex (Ranunculaceae) has four types of individuals, differing in their sex expression: there are individuals with hermaphroditic, hermaphroditic and male (andromonoecious), only male, or only female flowers. Purely female individuals appear during the early part of the flowering period of the population, and males during the later part ...
Olle Pellmyr
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Variation in dichogamy and myophily in two dioecious Bridelia species (Phyllanthaceae)
Australian Journal of Botany, 2021Duodichogamy and multi-cycle dichogamy are rare forms of temporal separation of staminate and pistillate reproductive functions in angiosperms. We studied the floral phenology, breeding system and pollination of Bridelia retusa (L.) A.Juss. and Bridelia moonii Thwaites, with a particular focus on the alternation of sexual phases to determine variation ...
M. A. Dias, R. M. C. S. Ratnayake
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Movement-assisted dichogamy in Atamisquea emarginata (Capparaceae)
Plant Systematics and Evolution, 2003 Various aspects of the reproductive biology of Atamisquea emarginata Miers ex Hook. et Arn. were studied in a population from Tucuman, northern Argentina. Flowering took place in late (austral) spring to early summer. The creamy white, entomophilous flowers were protandrous and lasted 3.5–4.5 days. A pleasant odor along with nectar and pollen attracted
Medan, Diego, Ponessa, Graciela Ines
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Journal of Arid Environments, 2020
Abstract Zygophyllum fabago is a species within the arid-adapted family Zygophyllaceae. The species is characterized by the co-occurrence of dichogamy and herkogamy. In order to understand the effect of these two complementary anti-selfing mechanisms in reproductive success, we conducted a detailed study of floral biology in Z. fabago.
Somayeh Naghiloo +1 more
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Abstract Zygophyllum fabago is a species within the arid-adapted family Zygophyllaceae. The species is characterized by the co-occurrence of dichogamy and herkogamy. In order to understand the effect of these two complementary anti-selfing mechanisms in reproductive success, we conducted a detailed study of floral biology in Z. fabago.
Somayeh Naghiloo +1 more
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Long-term dichogamy of 80 pecan cultivars
Scientia Horticulturae, 1992Abstract Data are presented on dates of pollen shed and pistil receptivity for up to 16 years for 80 pecan (Carya illinoensis (Wangenh.) C. Koch) cultivars and selections grown at Tifton, GA, USA. The data are useful for matching cultivars for optimum cross-pollination and minimum self-pollination. Pollination and pistil receptivity dates relative to
Ray E. Worley +3 more
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Bulletin mensuel - Société botanique de Lyon, 1891
Kieffer . Dichogamie des Juncacées. In: Bulletin mensuel - Société botanique de Lyon, tome 9, bulletin 2, 1891. pp. 45-46.
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Kieffer . Dichogamie des Juncacées. In: Bulletin mensuel - Société botanique de Lyon, tome 9, bulletin 2, 1891. pp. 45-46.
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Botanical Gazette, 1968
A study of dichogamy in Acer saccharum Marsh. (sugar maple) has shown that both protandry and protogyny occur in this species. The two conditions were represented equally in the population investigated. Synchronization of blooming periods of flowers of opposite sexes resulted in reciprocal pollination between trees with different dichogamous conditions.
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A study of dichogamy in Acer saccharum Marsh. (sugar maple) has shown that both protandry and protogyny occur in this species. The two conditions were represented equally in the population investigated. Synchronization of blooming periods of flowers of opposite sexes resulted in reciprocal pollination between trees with different dichogamous conditions.
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Avoiding sexual interference: herkogamy and dichogamy in style dimorphic flowers of Narcissus broussonetii (Amaryllidaceae) [PDF]
AoB PLANTS, 2019 AbstractSpatial (herkogamy) or temporal (dichogamy) separation of sex organs are mechanisms considered to restrict self-pollination and promote outcrossing. Additionally, avoidance of self-interference is proposed to be the driving force for the evolution of these mechanisms, particularly in self-incompatible species.
Daniel Barranco +2 more
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