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单词 perigonal
释义 perigonal, a.|pəˈrɪgənəl|
[irreg. f. perigone + -al1.]
= perigonial.
1881Carpenter Microsc. §339 (ed. 6) 411 The antheridia or male organs of Sphagnaceæ..are grouped in catkins at the tips of lateral branches, each of the imbricated perigonal leaves enclosing a single globose antheridium on a slender footstalk.
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