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Fallopia japonica var.
japonica is a 0.5-1.5m tall perennial seen everywhere in
fields and mountains. Stems are thick and hollow, and lengthen
rhizomes sideways to make new growths at the ends. Young stems are
edible raw. Leaves are alternate, each 6-15cm long, oval in shape,
and abruptly pointed. Branches emerge from the leaf axils, setting
many small flowers at the ends. P.cuspidatum is dioecious. Corollas,
varying from white to red, are cleft into five lobes. Bloom time:
July- October. |
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Wild plants in and around Shimane
島根とその周辺の野生植物