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