Clematis occidentalis (Hornem.) DC.
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Authority
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
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Family
Ranunculaceae
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Scientific Name
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Description
Species Description - Subglabrous trailer or climber, to 2 m; lfls 3, long-stalked, ovate, entire to crenate or lobed; fls solitary, mostly axillary; sep reddish-violet, lance- ovate, 3–5 cm, softly villous; outer filaments progressively broader and with smaller anthers; the outermost often completely sterile and prominently veined; achenes villous, in a dense, globular head; mature styles flexuous, plumose, 3–5 cm; 2n=16. Rocky woods; e. Que. to Man., s. to N.J., Del., O., nw. Ill., and ne. Io., and in the mts. to N.C. May, June. (C. verticillaris; Atragene americana)
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Common Names
purple clematis