形态特征：为高大的落叶乔木，成年树的树皮有发达的木栓层。
Configuration feature: For lofty deciduous leaf arbor, the bark of grown tree has the phellem layer that develop.
无论是乔木，灌丛还是高大的蕨树，都似玉砌冰雕。
The trees, the bushes and the tall ferns are carved with alabaster.
洋苏木一种美洲热带产豆科多刺乔木（墨水树）
A spiny tropical American tree(Haematoxylon campechianum) in the pea family, having dark heartwood from which a dyestuff is obtained.
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