Clematis addisonii Britton
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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 - Stem at first erect, but often soon becoming procumbent or scrambling, to 1 m long; herbage glabrous and glaucous; lvs thin, not strongly reticulate; the simple ones broadly ovate, subsessile, obtuse and mucronate, the compound ones (when present) appearing later, especially on the branches, with 2(3) pairs of round-ovate lfls, the lowest pair much exceeding the upper; cal urceolate; sep narrowly ovate, 1.5–2.5 cm, glabrous on the back, tomentose on the margins distally; mature style 2.5–3.5 cm, strongly plumose; 2n=16. Dry limestone hills; w. Va. Apr.–June, July.