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With light, fluorescence, transmission electron, and environmental scanning electron microscopy we studied the development of the Lunaria annua L. (Brassicaceae) seeds in order to reveal basic anatomical information about the unusual tissues of these seeds. In particular the seed tegument tissues possess complex morphological aspects that are relevant to the biology and ecology of this plant. A sclerenchymatic...
Tillandsia spp. (Bromeliaceae) use their epidermal trichomes for absorbing atmospheric water, mineral and organic nutrients. The absorbing trichome in Tillandsia has a nail-like shape, formed by an axis (stem) connected to the internal tissues of the leaf, and by an external shield. Water and aqueous liquids coming from the external environment go through the shield cells and then run through the...
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