flowers of anemone hupehensis or japanese anemone

anemone hupehensis autumn bloom blooming blossom bright buds chinese closeup flower garden green japonica leaf nature outdoors park petal plant spring stamens stem summer thimbleweed white wind windflower yellow commonly called japanese fibrous-rooted woody-based late fall flowering herbaceous perennial buttercup family native scrubs grassy slopes streamsides central southwestern china cultivated japan years time escaped gardens naturalized point mistakenly considered flowers