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Thalictrum alpinum
''Thalictrum alpinum'' is a species of flowering plant in the buttercup family known by the common name alpine meadow-rue. It is native to Arctic and alpine regions of North America and Eurasia, including Alaska, northern Canada, and Greenland, and it occurs in cold, wet, boggy habitats in high mountains farther south.
==Description==
Alpine meadow-rue is a rhizomatous perennial herb growing up to tall. The stems are erect and usually unbranched and leafless. Most of the leaves form a basal rosette, their compound blades are one to two pinnate and divided into small, triangular-ovate, scalloped leaflets. Each leaflet is longer than it is broad, slightly recurved, shiny dark green above and pale bluish-green below. The inflorescence is a raceme of flowers that arches over as the flowers and fruit develop. Each flower has a bell-shaped calyx of green or purplish sepals bearing up to fifteen long purple stamens tipped with large yellow anthers. There is a single carpel and no petals. The fruit is a dry achene with longitudinal ridges and tipped with a bristle. This species is normally pollinated by wind while other species of meadow-rue are usually insect-pollinated.〔(【引用サイトリンク】title=Alpine Meadow-rue )〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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