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Showing 1 to 5 of 5 for “"Mesembryanthemum"”.
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Zum antioxidativen Verteidigungssystem bei Mesembryanthemum crystallinum
Der Crassulaceen-Säure-Stoffwechsel (CAM) zeichnet sich dadurch aus, daß die Photosynthese teilweise hinter geschlossenen Stomata stattfindet, dies führt mit der Zeit zu einer Anreicherung des photosynthetisch gebildeten Sauerstoffs im Gewebe. Dieser Stoffwechselmodus stellt deshalb besondere …
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The effect of smoke teatment on the germination on four species of Mesembryanthemum: some preliminary observations
… species: R. macowanii and D. stokoei, of Mesembryanthemum were investigated. The seed coat characteristics of each species were also investigated. Pierce et al. (1995) found that smoke promotes seed germination in the Karoo species R. caroli (scarified) and D. speciosum, whereas smoke has …
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Systematics of psilocaulon N.E.BR. (Aizoaceae)
… P. salicornioides, P. subnodosum. Species of Mesembryanthemum, Prenia, Brownanthus, Aspazom and Aptenia are used as outgroups in a cladistic analysis of Psilocaulon. The monophyly of Psilocaulon is demonstrated. As a result P. rapaceum Jacq. is excluded and transferred to Caulipsolon Klak gen. …
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Towards a systematic analysis and comparison of perianth evolution in Caryophyllineae in the context of the synflorescence
Angiosperm flowers are modified shoots of inter-connected phytomers that bear modified leaves for sexual reproduction. The perianth organs are modified sterile leaves that cover the fertile leaves (i.e. stamens and carpels) in a flower. They have been lost and re-acquired multiple times during …