单词	palaeobotany
释义	palaeobotany /ˌpalɪəʊˈbɒtəni / /ˌpeɪlɪəʊˈbɒtəni/ (US paleobotany) noun [mass noun] The study of fossil plants.The study of fossil plants, palaeobotany, it not only of interest in itself, but can be applied to solving a wide range of biological and geological problems.... The study of paleobotany relies on this preserved material - fossils - as evidence of past life. By my senior year of high school in 1952, I was fascinated by paleobotany, from the ‘butterfly chasing’ of systematic work to work that intertwines with other geoscience endeavors. Derivatives palaeobotanical /ˌpalɪəʊbəˈtanɪk(ə)l/ /ˌpeɪlɪəʊbəˈtanɪk(ə)l/ adjective ... Recent Late Jurassic paleobotanical data suggest that the large conifers and ginkgoes that formed the bulk of the canopy were both relatively sparse and nutrient poor. Plant life followed a different route, and the paleobotanical time-eras of Palaeophytic, Mesophytic, and Cenophytic are only approximately equivalent. The early Carboniferous climate has been deduced from palaeobotanical data and from palaeosols/palaeokarsts. palaeobotanist noun ... The shape, pore arrangement, morphology and ultrastructure of sporodermata and exines have proved informative to palaeobotanists and in systematics. There is some agreement that both living and extinct cycads were derived from seed ferns, but paleobotanists still debate exactly if, when, and how this happened. The order has attracted much attention from traditional botanists, palaeobotanists and molecular systematists, because of its potential significance for understanding the phylogeny of seed plants.
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