• WordNet 3.6
    • n astilbe any plant of the genus Astilbe having compound leaves and showy panicles of tiny colorful flowers
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Century Dictionary and Cyclopedia
    • n astilbe A genus of perennial plants, belonging to the family Saxifragaceæ. There are some 7 or 8 species in Asia and North America. A. Japoniva, with large, conical or pyramidal, terminal clusters of many small, white flowers, is much used for forcing, particularly for early spring bloom. These plants may also be grown in the open. This genus is often confounded with the rosaceous genus Aruncus. The genera Aruncus and Spiræa are characterized by having many stamens and usually several or many pistils; Astilbe has 8 or 10 stamens and a single 2–3-lobed pistil. Astilbe Lemoinei is said to be a hybrid between Astilbe Japoniva and Aruncus astilboides.
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In news:

A low-maintenance, foolproof shade garden is attractive in three seasons, but particularly throughout late winter and spring it could contain witch hazel and astilbe.
Consider another fantastic group of plants for the woodlands – Astilbe.