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Bistorta officinalis ssp_japonica is
a perennial herb, 0.5-1.2m in height, inhabiting sunny, moist/damp,
high places in mountainous regions, forming colonies. Rosettes, with
long pedicles, are in the shape of a lanceolate to long-oblong, with
the tips pointed and the bases abruptly tapering off to both sides
of long pedicles, which grow to become wing-like. On-stem leaves are
petiole-less; they embrace the stems at their bases. Stem apexes set
cylindrical spikes with many dense white to light red flowers. Bloom
time: July-September. |
Wild plants in and around Shimane
島根とその周辺の野生植物
