Clematis ochroleuca

Aiton

Hort. Kew. 2: 260. 1789.

Common names: Erect silky leather-flower curly-heads
Endemic
Synonyms: Viorna ochroleuca (Aiton) Small
Treatment appears in FNA Volume 3.
Revision as of 07:33, 30 July 2020 by imported>Volume Importer
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

Stems erect to ± sprawling, not viny, 2-7 dm,, sparsely to ± densely pilose. Leaves simple. Leaf-blade narrowly to broadly ovate, unlobed or rarely few-lobed, 3-14 × (1.5-) 2.5-8 (-9.5) cm, ± leathery, reticulate adaxially; surfaces abaxially moderately silky-pilose with spreading hairs or rarely nearly glabrous, not glaucous. Inflorescences terminal, flowers solitary; bracts absent. Flowers narrowly urn-shaped; sepals pale-yellow to pale-purple, lanceolate, 1-3.5 cm, margins not expanded, thin, not crispate, tomentose, tip obtuse, spreading to recurved, abaxially silky-pubescent. Achenes: bodies pilose, hairs appressed-ascending; beak yellowish-brown to reddish-brown, 3-6 cm, plumose. 2n = 16.


Phenology: Flowering spring.
Habitat: Dry to moist woods, thickets, roadsides, and other shady to open, ± disturbed sites, mostly on mafic substrates
Elevation: 0-500 m

Distribution

V3 461-distribution-map.gif

D.C., Ga., Md., N.J., N.Y., N.C., S.C., Va.

Discussion

In New York, Clematis ochroleucra is known only from Staten Island and, formerly, from western Long Island (Brooklyn).

Selected References

None.

Lower Taxa

None.

"pilose" is not a number."connivent" is not a number."thick" is not a number."dm" is not declared as a valid unit of measurement for this property.

... more about "Clematis ochroleuca"
flattened +
James S. Pringle +
cuneate +, truncate +  and cordate +
Undefined subg. Viorna +
curved +  and straight +
plumose +
3 cm30 mm <br />0.03 m <br /> (6 cm60 mm <br />0.06 m <br />) +
scale-like;leaflike +
globose;cylindric +
Erect silky leather-flower +  and curly-heads +
bracteate +  and 3-7-flowered +
paired +  and solitary +
0 cm0 mm <br />0 m <br /> (15 cm150 mm <br />0.15 m <br />) +
D.C. +, Ga. +, Md. +, N.J. +, N.Y. +, N.C. +, S.C. +  and Va. +
0-500 m +
filiform +  and flattened +
bracteate +  and 3-7-flowered +
paired +  and solitary +
showy +  and inconspicuous +
urn--shaped +
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 +
Dry to moist woods, thickets, roadsides, and other shady to open, ± disturbed sites, mostly on mafic substrates +
appressed-ascending +  and spreading +
axillary +  and terminal +
2-pinnate +  and 1-pinnate +
8 cm80 mm <br />0.08 m <br /> (9.5 cm95 mm <br />0.095 m <br />) +
3 cm30 mm <br />0.03 m <br /> (14 cm140 mm <br />0.14 m <br />) +
few-lobed +, unlobed +  and ovate +
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 +
1-many-flowered +
0 cm0 mm <br />0 m <br /> (15 cm150 mm <br />0.15 m <br />) +
distinct +
conspicuous +
spurred +, funnel--shaped +, cup-shaped +  and plane +
reduced +
Flowering spring. +
5 +  and 150 +
not arillate +  and stalked +
pale-yellow;pale-purple +
not persistent +
distinct +
abaxially glabrous +  and silky hirsute or tomentose +
3 +  and 6 +
lanceolate +
1 cm10 mm <br />0.01 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
erect to more +
persistent +
not glaucous;glabrous;silky-pilose +
Viorna ochroleuca +
Clematis ochroleuca +
Clematis subg. Viorna +
species +
spreading +  and recurved +
silky-pubescent +
obtuse +
annual +  and perennial +