Clematis albicoma

Wherry

J. Wash. Acad. Sci. 21: 198. 1931.

Common names: Erect mountain clematis white-haired leather-flower
Endemic
Treatment appears in FNA Volume 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. 2n = 16.


Phenology: Flowering spring–early summer.
Habitat: Shale barrens
Elevation: 300-800 m

Discussion

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.

Selected References

None.

Lower Taxa

None.

No values specified."thick" is not a number."dm" is not declared as a valid unit of measurement for this property.

... more about "Clematis albicoma"
flattened +
James S. Pringle +
Wherry +
cuneate +, truncate +  and cordate +
Undefined subg. Viorna +
4 cm40 mm <br />0.04 m <br /> (4.5 cm45 mm <br />0.045 m <br />) +
curved +  and straight +
variable +
plumose +
2 cm20 mm <br />0.02 m <br /> (4 cm40 mm <br />0.04 m <br />) +
scale-like;leaflike +
globose;cylindric +
Erect mountain clematis +  and white-haired leather-flower +
bracteate +  and 3-7-flowered +
paired +  and solitary +
0 cm0 mm <br />0 m <br /> (15 cm150 mm <br />0.15 m <br />) +
Va. +  and W.Va. +
300-800 m +
filiform +  and flattened +
bracteate +  and 3-7-flowered +
paired +  and solitary +
showy +  and inconspicuous +
0 cm0 mm <br />0 m <br /> (15 cm150 mm <br />0.15 m <br />) +
sessile +  and aggregate +
flattened-ellipsoid;terete;flattened-ellipsoid;terete;lenticular +
Shale barrens +
axillary +  and terminal +
2-pinnate +  and 1-pinnate +
8 cm80 mm <br />0.08 m <br /> (10 cm100 mm <br />0.1 m <br />) +
5 cm50 mm <br />0.05 m <br /> (6.5 cm65 mm <br />0.065 m <br />) +
3.5 cm35 mm <br />0.035 m <br /> (8 cm80 mm <br />0.08 m <br />) +
cordate +  and orbiculate oblong lanceolate or oblanceolate lobed or unlobed +
cordate +  and orbiculate oblong lanceolate or oblanceolate lobed or unlobed +
palmate +  and pinnate +
not crispate +
not expanded +
thin;0mm;1mm +
1-many-flowered +
0 cm0 mm <br />0 m <br /> (15 cm150 mm <br />0.15 m <br />) +
distinct +
conspicuous +
reduced +
Flowering spring–early summer. +
5 +  and 150 +
J. Wash. Acad. Sci. +
not arillate +  and stalked +
1.1 cm11 mm <br />0.011 m <br /> (1.4 cm14 mm <br />0.014 m <br />) +
yellowish;purplish +
not persistent +
distinct +
abaxially glabrous +  and silky hirsute or tomentose +
3 +  and 6 +
oblong-lanceolate +
1.4 cm14 mm <br />0.014 m <br /> (3 cm30 mm <br />0.03 m <br />) +
persistent +
not glaucous;abaxially glabrous;sparsely villous +
Clematis albicoma +
Clematis subg. Viorna +
species +
spreading +  and recurved +
abaxially silky +  and woolly-pubescent +
obtuse +
annual +  and perennial +