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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 long to make new growths at the ends. Young stems
are edible raw. Leaves are alternate, each 6-15cm long, in the oval
shape, the lots becoming pointed abruptly. 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 in five
lobes. Bloom time: July- October. |
Wild plants in and around Shimane
島根とその周辺の野生植物