Persicaria orientalis, an introduced annual, now grows in
the wild in uncultivated lands; stems grow up to 1-1.5m in height,
with alternate, 10-20cm-long, tip-pointed oval to broad oval leaves,
the bases are in the circular- to heart-shape, the tips pointed.
Inflorescences are 5-10cm long, stout, and hang down. Perianths
cleft themselves into five lobes. Bloom time: July-October.
Wild plants in and around Shimane
島根とその周辺の野生植物
