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词条 caryopsis
释义
caryopsis
also called grain
specialized type of dry, one-seeded fruit (achene) characteristic of grasses, in which the ovary wall is united with the seed coat, making it difficult to separate the two except by special milling processes. All the cereal grains except buckwheat have caryopses.
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更新时间:2025/4/7 20:28:43