Natural History of Heterophylly in Nymphaea odorata ssp. tuberosa (Nymphaeaceae)

Villani, Philip J.; Etnier, Shelley A.

doi:10.1656/1092-6194(2008)15[177:nhohin]2.0.co;2

Cited by 4 publications

(16 citation statements)

References 20 publications

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“…Heterophylly is found in aquatic plants of different lineages and from ferns to angiosperms, but is absent in aquatic bryophytes (Hsu et al 2001;Lin 2002;Takezawa et al 2011;Villani and Etnier 2008); A different leaf morphology between submersed and emersed or aerial leaves can be seen in various species, e.g. of the genera Marsilea, Echinodorus, Sagittaria, Hygrophila, Cabomba, Hydrocharis, Potamogeton, Aponogeton, Limocharis, Nymphaea, Myriophyllum and others.…”

Section: Adaptation To Aquatic Habitatsmentioning

confidence: 99%

“…The aquatic fern Marsilea quadrifolia and the angiosperm Ludwigia arcuata are well established aquatic plant models and have been most informative for the analysis of heterophylly (Allsopp 1951; Kuwabara et al 2003;Kuwabara and Nagata 2006;Kuwabara et al 2001;Lin and Yang 1999;Sato et al 2008). Also other plant species such as Callitriche heterophylla (Deschamp and Cooke 1985), Hippuris vulgaris (Goliber and Feldman 1990;Albert 1985, 1987a), Ranunculus flabellaris (Bruni et al 1996), Nymphaea odorata (Villani and Etnier 2008), Proserpina sp. (Davis 1967;Kane and Albert 1987b) and species of the genus Potamogeton Anderson 1996, 1998;Spencer and Anderson 1987) have been successfully used for the investigation of the mechanisms that control heterophylly.…”

Section: Induction Of Heterophyllymentioning

confidence: 99%

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The ABA-mediated switch between submersed and emersed life-styles in aquatic macrophytes

Wanke

2011

J Plant Res

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Hydrophytes comprise aquatic macrophytes from various taxa that are able to sustain and to complete their lifecycle in a flooded environment. Their ancestors, however, underwent adaptive processes to withstand drought on land and became partially or completely independent of water for sexual reproduction. Interestingly, the step backwards into the high-density aquatic medium happened independently several times in numerous plant taxa. For flowering plants, this submersed life-style is especially difficult as they need to erect their floral organs above the water surface to be pollinated. Moreover, fresh-water plants evolved the adaptive mechanism of heterophylly, which enabled them to switch between a submersed and an emersed leaf morphology. The plant hormone abscisic acid (ABA) is a key factor of heterophylly induction in aquatic plants and is a major switch between a submersed and emersed life. The mechanisms of ABA signal perception and transduction appear to be conserved throughout the evolution of basal plants to angiosperms and from terrestrial to aquatic plants. This review summarizes the interplay of environmental factors that act through ABA to orchestrate adaptation of plants to their aquatic environment.

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Section: Adaptation To Aquatic Habitatsmentioning

confidence: 99%

Section: Induction Of Heterophyllymentioning

confidence: 99%

The ABA-mediated switch between submersed and emersed life-styles in aquatic macrophytes

Wanke

2011

J Plant Res

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“…Plants can produce 2 distinct mature leaf forms (Sculthorpe 1967) that differ in their position relative to the surface of the water: the most common leaf type floats on the surface of the water, whereas the lamina of the alternative leaf type is held above the surface of the water. These 2 forms can exist simultaneously on a single plant, but aerial forms are only produced under certain conditions (Villani and Etnier 2008). In the situation where aerial leaves are produced, surface leaves predominate at the beginning (May and June in central Indiana) and end (September) of the growing season, and aerial leaves predominate during the middle (Villani and Etnier 2008).…”

Section: Introductionmentioning

confidence: 99%

“…These 2 forms can exist simultaneously on a single plant, but aerial forms are only produced under certain conditions (Villani and Etnier 2008). In the situation where aerial leaves are produced, surface leaves predominate at the beginning (May and June in central Indiana) and end (September) of the growing season, and aerial leaves predominate during the middle (Villani and Etnier 2008). Interestingly, these different leaf forms do not reflect the growth continuum of a single leaf.…”

Section: Introductionmentioning

confidence: 99%

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Influence of Light Quality and Quantity on Heterophylly in the Aquatic Plant Nymphaea odorata subsp. tuberosa (Nymphaeaceae)

Etnier

Villani

Ryan

2017

Northeastern Naturalist

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Heterophylly, the production of different leaf forms on the same plant, is a widespread phenomenon in terrestrial and aquatic plants and provides an opportunity to study how sessile organisms sense and respond to changes in environmental factors. Nymphaea odorata subsp. tuberosa (American White Water Lily) produces 2 distinct leaf forms: a floating surface leaf and an aerial form in which the lamina is held above the water. Previous research suggests that changes in the light environment may be a critical determinant of heterophylly in Nymphaea. In this study, we tested the hypothesis that changes in light quantity and light quality stimulate the production of aerial leaf forms in water lilies. Specifically, shade cloth was used to reduce light intensity (quantity), and varying plant densities were used to increase leaf cover (affecting light quality) in artificial ponds. Aerial leaf production was not stimulated by reduction in light quantity alone but was when leaf cover exceeded 30-40%. We suggest that as the surface of a pond becomes covered with a canopy of leaves, American White Water Lily responds with the production of aerial leaves that rise above the surface of the water to gain access to light. Interestingly, water lilies exhibit an atypical shade response in that aerial leaves have short, thick petioles that allow them to rise above the surface of the water, rather than displaying the elongated phenotype associated with etiolation, which is the typical shade response of other flowering plants.

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Competition between two floating-leaved aquatic plants

Monacelli

Wilcox

2021

Aquatic Botany

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Natural History of Heterophylly in Nymphaea odorata ssp. tuberosa (Nymphaeaceae)

Cited by 4 publications

References 20 publications

The ABA-mediated switch between submersed and emersed life-styles in aquatic macrophytes

The ABA-mediated switch between submersed and emersed life-styles in aquatic macrophytes

Influence of Light Quality and Quantity on Heterophylly in the Aquatic Plant Nymphaea odorata subsp. tuberosa (Nymphaeaceae)

Competition between two floating-leaved aquatic plants

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