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Parallel venation isMonocotyledonThe unique pulse sequence.The midvein of the leaf is parallel to the lateral vein and veinlets, or the lateral vein is nearly perpendicular to the midvein, while the lateral veins are nearly parallel, all belong to parallel veins.
Chinese name
Lateral parallel vein
Foreign name
parallel venation
Interpretation
The unique venation of monocotyledons
Classification
biology
The lateral veins are parallel to the midvein at an angle.There are veinlets connected transversely among parallel veins, but they do not form a network.The veins of monocotyledons mostly belong to this type.Parallel veins can also be divided into straight (parallel) veins. The midrib and lateral vein go straight from the leaf base to the leaf tip in parallel, such asrice、Wheat、CornEqual vein;Some are lateral (parallel) veins, which are perpendicular to the midvein and parallel to the leaf margin, such asPlantain、BananaEqual vein;Some are outgoing (parallel) veins, and each leaf vein radiates from the base, such as the leaf vein of palm;Some parallel veins originate from the base, gradually increase their distance from each other in the middle of the leaves, and are distributed in an arc shape. Finally, they meet at the tip of the leaves, such as the veins of plantain and purple calyx.
