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Relevant bibliographies by topics / Chasmogamous flowers

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Academic literature on the topic 'Chasmogamous flowers'

Author: Grafiati

Published: 4 June 2021

Last updated: 8 February 2022

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Journal articles on the topic "Chasmogamous flowers"

1

Mattila, Tanja, and Veikko Salonen. "Reproduction of Viola mirabilis in relation to light and nutrient availability." Canadian Journal of Botany 73, no. 12 (1995): 1917–24. http://dx.doi.org/10.1139/b95-204.

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Mixed mating strategies in plants, such as chasmogamy and cleistogamy, may have evolved to optimize reproductive response to local, often variable, environmental conditions. A 2-year field experiment was conducted to examine the effects of light and nutrient availability on growth and chasmogamous and cleistogamous flower and fruit production in Viola mirabilis, a perennial forest understory herb. Using a factorial design, we examined whether the mode of reproduction or reproductive output of V. mirabilis would be influenced by a repeated fertilizer application and (or) gradual shading with ar

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2

Porras, Rafael, and Jesús Miguel Muñoz Álvarez. "Breeding system in the cleistogamous species Centaurea melitensis (Asteraceae)." Canadian Journal of Botany 77, no. 11 (2000): 1632–40. http://dx.doi.org/10.1139/b99-139.

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Cleistogamy involves structural, developmental, and functional differences between the open (chasmogamous) and closed (cleistogamous) floral forms produced by a species. Functional differences relate to the breeding system: progeny is obtained partly by obligate selfing, cleistogamous flowers and, at least potentially, by outcrossing, chasmogamous flowers. This study addresses theoretical predictions about the breeding system in Centaurea melitensis L. Comparative analysis of cleistogamous and chasmogamous flower heads produced by this species was based on studies of the morphological features

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3

Montgomery, B. R. "Effect of introduced Euphorbia esula on the pollination of Viola pedatifida." Botany 87, no. 3 (2009): 283–92. http://dx.doi.org/10.1139/b08-139.

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Introduced plants may compete for pollination with native plants, resulting in reduced fruit or seed set. In this study, I use several techniques to assess whether the invasive plant Euphorbia esula L. (leafy spurge, Euphorbiaceae) reduces the pollination success of chasmogamous flowers of the native plant Viola pedatifida G. Don (prairie violet, Violaceae), which has chasmogamous and cleistogamous flowers. Euphorbia pollen was found on most Viola stigmas, suggesting the potential for competition. Additionally, application of Euphorbia pollen to Viola stigmas prior to conspecific pollen reduce

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4

Wang, Lijuan, Nian-Oine Shi, Murray E. Duysen, and Chiwon W. Lee. "747 PB 105 CLEISTOGAMY GENE ACTION IN SALPIGLOSSIS IS LINKED TO SUGAR METABOLISM." HortScience 29, no. 5 (1994): 540b—540. http://dx.doi.org/10.21273/hortsci.29.5.540b.

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Cleistogamy in Salpiglossis sinuatu L. involves a sequence of events, including arrested corolla development, precocious pollen germination inside anther, pollen tube penetration of the pistil, and eventual self fertilization, that takes place. within a tightly closed flower bud. A single dominant gene (C) controls cleistogamy in this plant. During early blooming period, cleistogamous (CC, Cc) plants produce both chasmogamous (open) and cleistogamous (closed) flowers. Enzymes in various tissues of both cleistogamous and chasmogamous buds were detected by isozyme banding patterns in starch gel

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5

Gotelli, M., B. Galati, and P. Hoc. "Embryology of Macroptilium arenarium (Leguminosae)." Australian Journal of Botany 54, no. 6 (2006): 531. http://dx.doi.org/10.1071/bt05060.

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Macroptilium arenarium (Bacigalupo) S.I.Drewes & R.A.Palacios produces two floral morphs, aerial chasmogamous flowers and cleistogamous flowers in geophyte racemes. A comparative study of the sporogenesis, gametogenesis and the development of the related sporophytic structures in both floral morphs is reported. The anther is tetrasporangiate, its wall consists of epidermis, endothecium, one or two middle layers and an uninucleate secretory tapetum. The mature endothecium presents fibrilar thickenings that are more developed in cleistogamous flowers. Pollen grains are tricolporate, angulape

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Van Wyk, B.-E. "Studies in the genus Lotononis (Crotalarieae, Fabaceae). 13. Two new species and notes on the occurrence of cleistogamy in the section Leptis." Bothalia 20, no. 1 (1990): 17–22. http://dx.doi.org/10.4102/abc.v20i1.889.

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The occurrence of flower dimorphism in the genus Lotononis (DC.) Eckl. Zeyh. is reported for the first time. Cleistogamous flowers have been observed in 12 species from four different groups of the sections Leptis (Eckl. Zeyh.) Benth. and Oxydium Benth. Morphological differences between chasmogamous and cleistogamous flowers are discussed and illustrated. The phenomenon of flower dimorphism appears to be of limited taxonomic value but nevertheless supports the idea of an affinity between the L. laxa, L. pungens and L. leptoloba groups. Two recently discovered new species of the L. leptoloba an

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7

Bell, Timothy J., and James A. Quinn. "Effects of soil moisture and light intensity on the chasmogamous and cleistogamous components of reproductive effort of Dichanthelium clandestinum populations." Canadian Journal of Botany 65, no. 11 (1987): 2243–49. http://dx.doi.org/10.1139/b87-305.

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Plants from six New Jersey populations of Dichanthelium clandestinum, a perennial grass with chasmogamous and cleistogamous flowers on the same individual, showed significant differences in their responses to decreasing light and soil moisture, but chasmogamous reproductive effort was always less than cleistogamous. In an experiment with three light treatments, populations were significantly different in biomass allocation to chasmogamous and cleistogamous reproduction and varied as to which light treatment produced the most significant difference between chasmogamous and cleistogamous allocat

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Speroni, Gabriela, Primavera Izaguirre, Gabriel Bernardello, and Jorge Franco. "Intrafloral phenology of Trifolium polymorphum Poir. (Leguminosae) aerial flowers and reproductive implications." Acta Botanica Brasilica 23, no. 3 (2009): 881–88. http://dx.doi.org/10.1590/s0102-33062009000300029.

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Trifolium polymorphum is an amphicarpic species that grows in Uruguay, Argentina, Brazil, Paraguay and Chile. Underground flowers are cleistogamous, obligately autogamous and morphologically highly modified in structure and function. Aerial flowers are chasmogamous, and as mentioned in earlier literature, either allogamous or autogamous. The aim of this study is to identify flower characteristics that facilitate or prevent autogamous or allogamous processes. Floral phenology stages are thus studied in correlation with estimated models of aerial flower development, pollen viability and stigmati

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9

Hayden, W. John, and Camille Fagan. "Anatomy and Pollination of Cleistogamous Flowers of Benghal Dayflower (Commelina benghalensis)." Weed Science 64, no. 3 (2016): 455–62. http://dx.doi.org/10.1614/ws-d-15-00106.1.

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The anatomy and pollination of subterranean cleistogamous flowers of Benghal dayflower (Commelina benghalensis) is described as a contribution to understanding its reproductive biology. Subterranean stems bear one spathe per node, each enclosing a single cleistogamous flower. Only the three anterior stamens produce functional pollen; the posterior three stamens are staminodes. Tapetum is amoeboid and endothecium is present. The three-carpellate superior ovary bears five dimorphic orthotropous ovules. Nearly mature flowers have straight to somewhat curved styles; at maturity, styles elongate an

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Ansaldi, Beth H., Jennifer J. Weber, Carol Goodwillie, and Steven J. Franks. "Low levels of inbreeding depression and enhanced fitness in cleistogamous progeny in the annual plant Triodanis perfoliata." Botany 97, no. 7 (2019): 405–15. http://dx.doi.org/10.1139/cjb-2019-0022.

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The maintenance of outcrossing in cleistogamous plants that produce both open, facultatively outcrossing chasmogamous (CH), and closed, obligate selfing cleistogamous (CL) flowers is puzzling because CL reproduction is thought to be more reliable and less costly. A possible explanation for the maintenance of CH flowers is the avoidance of inbreeding depression. However, inbreeding depression for cleistogamous species has rarely been quantified. In this study, we estimate levels of inbreeding depression in plants from three populations of Triodanis perfoliata (L.) Nieuwl., a dimorphic cleistoga

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Dissertations / Theses on the topic "Chasmogamous flowers"

1

Wang, Yunjing. "Molecular biology of flower development in Viola pubescens, a species with the chasmogamous-cleistogamous mixed breeding system." Ohio : Ohio University, 2008. http://www.ohiolink.edu/etd/view.cgi?ohiou1205379431.

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Sternberger, Anne Lauren. "Figuring out Flowers: Insights Into the Mixed Breeding System of Viola pubescens." Ohio University / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1584452029880175.

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Culley, Theresa Marie. "The reproductive biology, mating system, and genetic consequences of chasmogamous and cleistogamous flower production in violets (Viola) /." The Ohio State University, 2000. http://rave.ohiolink.edu/etdc/view?acc_num=osu1488195154359036.

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