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Clematis albicoma Wherry  
Family: Ranunculaceae
White-Hair Leather-Flower
[Clematis ovata Pursh]
Clematis albicoma image
  • FNA
  • Gleason & Cronquist
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James S. Pringle in Flora of North America (vol. 3)
Stems erect, not viny, 2-4(-6) dm, pubescent or pilose to ± tomentose or hirsute. Leaves simple. Leaf blade elliptic-lanceolate to ovate, unlobed, 3.5-8(-10) × 1.5-5(-6.5) cm, thin, not conspicuously reticulate; surfaces abaxially glabrous to sparsely (rarely more densely) villous on veins, not glaucous. Inflorescences terminal, flowers solitary; bracts absent. Flowers narrowly urn-shaped; sepals purplish, yellowish toward tips, oblong-lanceolate, (1.1-)1.4-3 cm, margins not expanded or less than 1 mm wide, thin, not crispate, tomentose, tips obtuse, spreading to recurved, abaxially silky- to woolly-pubescent. Achenes: bodies pilose; beak white to pale yellow, (1.5-)2-4(-4.5) cm, plumose. 2 n = 16. Flowering spring-early summer. Shale barrens; 300-800 m; Va., W.Va. Clematis albicoma is known only from shale barrens predominantly developed from the Upper Devonian Brallier Formation in nine counties of western Virginia and adjacent West Virginia.

Vascular plants of NE US and adjacent Canada
Stem erect, 2-5 dm, simple to more often much branched, the branches usually overtopping the central axis; lvs subsessile, dark green, lance-ovate or ovate, glabrous or slightly hairy along the veins beneath when young, the larger ones mostly 4-8 נ1.5-5 cm; mature peduncles 2-10 cm; cal urceolate; sep 1.5-3 cm, densely hairy outside; achenes densely hairy, the hairs of the distal portion and the base of the style reflexed or widely divergent; mature style mostly 2-4 cm, densely plumose; 2n=16. Apr.-June. Local on shale barrens in w. Va. and e. W.Va.

Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

©The New York Botanical Garden. All rights reserved. Used by permission.
Clematis albicoma
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Kathy M. Davis, University of Florida Herbarium
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The National Science Foundation
Development supported by National Science Foundation Grants (DBI 9983132, BRC 0237418, DBI 0743827, DBI 0847966)
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