这个词是什么意思？
A plant family of the order Proteales, subclass Rosidae class Magnoliopsida. Cluster roots, bottlebrush-like clusters of rootlets which form in response to poor soil, are common in this family.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D039105 · MeSH 2026。
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