2013
DOI: 10.1155/2013/307593
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Leaf Epidermis of the Rheophyte Dyckia brevifolia Baker (Bromeliaceae)

Abstract: Some species of Dyckia Schult. f., including Dyckia brevifolia Baker, are rheophytes that live in the fast-moving water currents of streams and rivers which are subject to frequent flooding, but also period of low water. This study aimed to analyze the leaf epidermis of D. brevifolia in the context of epidermal adaptation to this aquatic plant's rheophytic habitat. The epidermis is uniseriate, and the cuticle is thickened. The inner periclinal and anticlinal walls of the epidermal cells are thickened and ligni… Show more

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Cited by 6 publications
(3 citation statements)
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“…ickening of the outer cell wall of the leaf epidermis protects against dehydration, and is observed in different species of plants which are exposed to intense insolation and in regions with low water availability (Kalashnyk et al, 2016;Lobo et al, 2013;Nuzhyna & Tkachuk, 2019;Nuzhyna et al, 2020;Schreiber et al, 2006). Such thickening of the cell wall was found in plants of genotypes DAR12 and L59.…”
Section: Discussionmentioning
confidence: 95%
“…ickening of the outer cell wall of the leaf epidermis protects against dehydration, and is observed in different species of plants which are exposed to intense insolation and in regions with low water availability (Kalashnyk et al, 2016;Lobo et al, 2013;Nuzhyna & Tkachuk, 2019;Nuzhyna et al, 2020;Schreiber et al, 2006). Such thickening of the cell wall was found in plants of genotypes DAR12 and L59.…”
Section: Discussionmentioning
confidence: 95%
“…3A, C, D). Lobo et al (2013) consider these characteristics of Dyckia epidermis to reflect a xeromorphic condition common to the genus, being that the taxonomic use of this layer is limited due to its structural simplification in the stamens.…”
Section: Resultsmentioning
confidence: 99%
“…The wild D. caespitosa Ush has a much larger adaxial and abaxial epidermis thickness than D. antarctica in both natural population plants and in vitro cultivars. At the same time, for D. caespitosa, thickening of the outer epidermis cell wall, which is a xerophytic trait, prevents dehydration and is observed in various plant species at sites of intense insolation and low water availability (Schreiber et al 2006;Lobo et al 2013;Nuzhyna and Gaydarzhy, 2015;Kalashnyk et al 2016). Bystrzejewska-Piotrowska and Urban (2009) found a high degree of adaptability of the photosynthetic apparatus in D. antarctica and the absence of such feature in D. caespitosa from a more moderate climate.…”
Section: Discussionmentioning
confidence: 99%

Polish Polar Research

Nuzhyna,
Parnikoza,
Poronnik
et al. 2019