integumentary perisperm.
珠被外胚乳
Seeds without endosperm and perisperm.
种子无内胚乳和外胚乳。
The perisperm cells with flat walls are full of starch grains.
外胚乳细胞壁平直, 细胞内充满淀粉。
Food materials may be stored in a special tissue derived from the nucellus, called the perisperm.
营养物质可以贮藏于由珠心产生的一种特殊组织，叫外胚乳。
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