Abstract:

The anatomy of the dorsiventral, amphistomatic leaf of Papaver rhoeas was investigated. It was a simple structure possessing large epidermal cells having their vacuole impregnated with glycoproteins which varied in texture, forming a dense, hard core in the middle of the vacuole. Slender rays of cisternae radiated from the dense central core to the cell wall. Thin-walled palisade cells presented a unique, lobed shape probably creating larger surfaces for gas exchange. Mesophyll cells secreted phenolics, condensed tannins, alkaloids, terpene containing steroids and sesquiterpenes. P. rhoeas although being a therophyte, has adopted some structural features common in mediterranean phanerophytes. © 2013 Taylor & Francis Group, LLC.

Notes:

Export Date: 7 February 2017CODEN: JHEPECorrespondence Address: Christodoulakis, N.S.; Department of Botany, Faculty of Biology, University of Athens, Ilissia, Athens 15701, Greece; email: nchristo@biol.uoa.grChemicals/CAS: phenol, 108-95-2, 3229-70-7; tannin, 1401-55-4References: Carr, S.G.M., Carr, D.J., Intercellular pectin strands in parenchyma; Studies of plant cell walls by scanning electron microscopy (1975) Aust. J. Bot, 23, pp. 95-105;Christodoulakis, N.S., Structural diversity and adaptations in some Mediterranean evergreen Sclerophyllous species (1992) Env. Exp. Bot, 32, pp. 295-305; Christodoulakis, N.S., Bazos, J., Leaf anatomy of three seasonally dimorphic subshrubs (1990) Acta Oecol, 11, pp. 291-296; Christodoulakis, N.S., Mitrakos, K., Structural analysis of sclerophylly in eleven evergreen phanerophytes in Greece (1987) NATO ASI Series, G15, pp. 547-551. , J. D. Tenhunen, ed Plant Response to Stress. 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