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A species from eastern North America that I raised from seed from the AGS seed exchange. The Lady Bird Johnson Wildflower center says: "This is a 3-10 ft. perennial with interesting, glaucous foliage. The pinnate leaves have three or more leaflets with rounded lobes. The cream-colored flowers have numerous, showy, thread-like stamens. This summer-blooming flower is constantly visited by bees and butterflies. At least 10 other Thalictrum species are found in eastern North America." The Missouri Botanical Garden says: "Thalictrum pubescens, commonly known as tall meadow rue, is a rhizomatous, clump-forming perennial that typically grows to 3-7’ tall and to 3’ wide. It is typically found growing in rich woods, low thickets, marshes, swamps, wet meadows and stream/river banks from Newfoundland to Ontario south to Illinois, Mississippi and Georgia. Tiny starry apetalous white flowers (each to 1/3” across) bloom from mid-June to August in fluffy many-flowered inflorescences (panicles). Plants are mostly dioecious (male and female flowers on separate plants), except male and female flowers sometimes appear on the same plant and bi-sexual flowers sometimes appear with limited numbers of stamens. White flower color primarily comes from the showy thread-like white stamens which extend outward in a starburst pattern. Ternately and pinnately decompound leaves have 15-27 stalked ovate to rounded blue-green leaflets having three-lobed apices. Plants have both basal (on long petioles rising from the base) and cauline (sessile on the stem) leaves. Petioles and rachis are frequently pubescent. Leaves are somewhat reminiscent of the leaves of columbine (Aquilegia)." |
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| 29th June 2007 | ||