In the daisy family the numerous bracts which subtend the inflorescence are known as an involucre.
在菊科植物中,片数目多而聚生在花序外围,称为。
In the daisy family the numerous bracts which subtend the inflorescence are known as an involucre.
在菊科植物中,片数目多而聚生在花序外围,称为。
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