Interfascicular cambium A single layer of actively dividing cells between the vascular bundles in stems.
间形成层是的间的具有旺盛分裂能的一层细胞。
The development of xylem is of mesarch.Stomata are monocyclic type.
叶脉、叶柄、上胚轴的均为外韧型。
The micrib belonging to bicollateral bundle is well developed.The bundle sheath is composed of idioblasts.
主脉发达,有异细胞组成的鞘,具双生韧皮部。
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Huge forests full of ferns, mosses, and some of the earliest vascular plants had taken over much of the planet.
蕨类植物、苔藓和一最早维管束植物森林占据了地球部分地区。
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