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''Tiarella cordifolia'' (heartleaf foamflower, heartleaved foamflower, Allegheny foamflower, false miterwort, coolwort) is a species of herbaceous perennial flowering plant native to North America. ==Description== ''Tiarella cordifolia'' has a scaly horizontal rhizome and seasonal runners. The leaves are long, basal, long stalked, hairy, with 3-7 shallow lobes, and heart-shaped at the base. They are dark green usually mottled with brown, rough-hairy above and downy beneath. They have long flowering stems that can grow as tall as . The flowers are white, small and feathery and form a long terminal cluster on a leafless stalk. The inflorescences are tall, with the flowers borne in close, erect racemes. The flowers have 5 petals (entire) and 10 stamens (long and slender), giving the flower cluster a fuzzy appearance. The two unequal seed capsules split along their inside seams, releasing several pitted seeds. This tiarella spreads well by rhizomes, unlike other cultivated tiarellas, but lacks the invasive tendencies of many more-commonly employed groundcovers. The flowers are visited by small bees, syrphus flies, and butterflies that may affect pollination. This plant has gained the Royal Horticultural Society's Award of Garden Merit. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Tiarella cordifolia」の詳細全文を読む スポンサード リンク
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