Log In New Account Sitemap
  • Home
  • Specimen Search
    • Search Collections
    • Map Search
    • Exsiccati Search
  • Images
    • Image Browser
    • Search Images
  • Flora Projects
    • Arizona
    • New Mexico
    • Colorado Plateau
    • Plant Atlas of Arizona (PAPAZ)
    • Sonoran Desert
    • Teaching Checklists
  • Agency Floras
    • NPS - Intermountain
    • USFWS - Region 2
    • BLM Flora
    • Coronado NF
    • Tonto NF
  • Dynamic Floras
    • Dynamic Checklist
    • Dynamic Key
  • Additional Websites
    • New Mexico Flores
    • Plant Atlas Project of Arizona (PAPAZ)
    • Southwest Colorado Wildflowers
    • Vascular Plants of the Gila Wilderness
    • Consortium of Midwest Herbaria
    • Consortium of Southern Rocky Mountain Herbaria
    • Intermountain Region Herbaria Network (IRHN)
    • Mid-Atlantic Herbaria
    • North American Network of Small Herbaria (NANSH)
    • Northern Great Plains Herbaria
    • Red de Herbarios del Noroeste de México (northern Mexico)
    • SERNEC - Southeastern USA
    • Texas Oklahoma Regional Consortium of Herbaria (TORCH)
  • Resources
    • Symbiota Docs
    • Video Tutorials
    • Collections in SEINet
    • Joining a Portal
Clematis coactilis (Fernald) Keener  
Family: Ranunculaceae
Virginia White-Hair Leather-Flower
Clematis coactilis image
  • FNA
  • Gleason & Cronquist
  • Resources
James S. Pringle in Flora of North America (vol. 3)
Stems erect, not viny, 2-4.5 dm, densely silky, hirsute, or ± tomentose with appressed hairs. Leaves simple. Leaf blade rarely 1-pinnate, narrowly to broadly ovate, unlobed or sometimes few-lobed, 5-12 × 3-9.5 cm, leathery, ± prominently reticulate adaxially; surfaces abaxially densely silky-tomentose with appressed hairs, not glaucous. Inflorescences terminal, flowers solitary; bracts absent. Flowers broadly urn-shaped; sepals pale yellow to rarely purple-tinged, lanceolate, 1.9-3.4 cm, margins not expanded or narrowly expanded to 1.7 mm wide, thin, not crispate, tomentose, tips obtuse, spreading, abaxially finely tomentose. Achenes: body pilose, hairs of rim spreading; beak (2.5-)3-4.5(-5.5) cm, plumose. 2 n = 16. Flowering spring-early summer. Shale barrens, rarely on sandstone, dolomite, or limestone outcrops; of conservation concern; 300-600 m; Va. Clematis coactilis is known only from western Virginia. C. S. Keener (1967, 1975) suggested that this species may be a stabilized derivative of past hybridization between C. albicoma and C. ochroleuca . In fruit, Clematis coactilis is distinguishable from C. ochroleuca by its combination of spreading to reflexed hairs on the achene rims and whitish to pale yellow (rarely tawny) hairs on the beaks, contrasting with the strongly ascending hairs on the achene rims and tawny (rarely yellowish white) hairs on the beaks of C. ochroleuca . This species and C. ochroleuca lack stomates on the adaxial surface of the leaves, whereas the closely related species C. albicoma , C. fremontii , and C. viticaulis have stomates on both leaf surfaces (C. S. Keener 1967).

Vascular plants of NE US and adjacent Canada
Much like C. albicoma, but more strongly pubescent, the stems densely sericeous, the rather light green lvs densely woolly or sericeous beneath; branches seldom overtopping the central axis; lvs averaging a little larger, the better developed ones mostly 6-11 נ4-9 cm; mature styles mostly 3-4.5 cm; 2n=16. Apr.-June. Local on shale barrens in 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 coactilis
Open Interactive Map
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Clematis coactilis image
Click to Display
100 Initial Images
- - - - -
View All Images
The National Science Foundation
Development supported by National Science Foundation Grants (DBI 9983132, BRC 0237418, DBI 0743827, DBI 0847966)
Powered by Symbiota