نتایج جستجو برای: leaf anatomy
تعداد نتایج: 176660 فیلتر نتایج به سال:
Leaf hydraulic and mesophyll CO2 conductance are both influenced by leaf anatomical traits, however it is poorly understood how the temperature response of these conductances differs between C4 C3 species with distinct anatomy. This study investigated (Kleaf), stomatal (gs) (gm) to CO2, traits in phylogenetically related Panicum antidotale (C4) P. bisulcatum (C3) grasses. The had lower outside ...
Lepidodendron hickii is tlie only anatomically preserved Carboniferous lepidodendrid with leaf cushions referable to the compression-based L. aculeatum, the type of Lepidodendron. Historically Lepidodendron has come to encompass several kinds of arborescent lycopods with distinctive vegetative and reproductive morphologies, among which no truly intermediate forms are known. These include totall...
Leaf size and venation show remarkable diversity across dicotyledons, and are key determinants of plant adaptation in ecosystems past and present. Here we present global scaling relationships of venation traits with leaf size. Across a new database for 485 globally distributed species, larger leaves had major veins of larger diameter, but lower length per leaf area, whereas minor vein traits we...
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