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愛宕の森と緑を守る会
Atago Forest and Green Protection Association
Atago Mountain Plants-Tree 3 (Ki-ko)
ハハコグサ
Chestnut. Beech family Chestnut. It is dioecious and blooms from May to June. From September to October, a few fruits are borne in acorns with squid. It seems that there are two or three chestnut trees from the falling squid, but so far it has not been possible to identify which tree.
花期は4〜6月。枝先に黄色の小さな頭花を多数つける。頭花は長さが3.5ミリほどで、中心に数個の両性花があり、周りを雌性花が囲む。
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