这个词是什么意思？
A plant family of the order Magnoliales, subclass Magnoliidae, class Magnoliopsida. The wood lacks water-conducting cells but has acrid sap. The leaves are gland-dotted, leathery, and smooth-margined. The flowers are small, in clusters, with two to six sepals, petals in two or more series, several stamens, and one to several carpels.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D032423 · MeSH 2026。
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