adj. angiospermous
被子植物假定祖先的花 proanthostrobilus
被子植物的种子被另一层覆盖物包裹着。
In the angiosperm the seeds are wrapped in an additional layer of covering.
草是被子植物的简单形态，种子被包裹在长茎上。
Grasses are simple forms of angiosperms that bear their encapsulated seeds on long stalks.
大多数被子植物的胚珠有两层珠被，而裸子植物通常只有一层。
Most angiosperm ovules possess two integuments, while gymnosperms usually have only one.
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