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单词 internal phloem
释义

internal phloem

Botany
noun
Phloem that develops on the inner (adaxial) side of the vascular cambium in some vascular plants, in addition to the usual (external) phloem.

Origin

Late 19th century; earliest use found in The Botanical Gazette.

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更新时间:2024/9/23 6:26:40