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单词 walchia
释义 wal·chia
\ˈwalkēə, ˈwȯl-\ noun
Usage: capitalized
Etymology: New Latin, from Johann E. I. Walch died 1778 German mineralogist + New Latin -ia
: a genus of pinaceous fossil trees that resemble araucarias, are characteristic of the Permian but range through the Triassic, and have short triangular spirally arranged falcate leaves and ovate cones with persistent ovate scales
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更新时间:2025/3/13 1:14:27