Clematis recta

Linnaeus

Sp. Pl. 1: 544. 1753.

Introduced
Treatment appears in FNA Volume 3.

Stems herbaceous, ascending to erect, not climbing, 0.6-1.5 m. Leaf-blade pinnately 5-9-foliolate; leaflets lanceolate to ovate, 3-9 × 0.8-4 cm, margins entire; surfaces glabrous. Inflorescences axillary and terminal, many-flowered cymes and panicles. Flowers bisexual; pedicel 8-20 mm, slender; sepals widespreading, not recurved, white, oblanceolate to oblong, 8-20 mm, length ca. 4 times width, margins tomentose, otherwise glabrous; stamens 20-50; filaments glabrous; staminodes absent; pistils 8-25. Achenes broad, flat, conspicuously rimmed, glabrous; beak 1.2-2 cm.


Phenology: Flowering summer (Jun–Jul).
Habitat: Old fields and thickets
Elevation: 0-100 m

Distribution

V3 643-distribution-map.gif

Introduced; Ont., N.Y., native of Eurasia

Discussion

Clematis recta should probably be expected elsewhere.

Selected References

None.

Lower Taxa

None.

"thin" is not a number.

... more about "Clematis recta"
terete +  and flattened +
James S. Pringle +
Linnaeus +
cuneate +, truncate +  and cordate +
curved +  and straight +
plumose +
1.2 cm12 mm <br />0.012 m <br /> (2 cm20 mm <br />0.02 m <br />) +
scale-like;leaflike +
globose;cylindric +
many-flowered +
paired +  and solitary +
0 cm0 mm <br />0 m <br /> (15 cm150 mm <br />0.15 m <br />) +
Ont. +, N.Y. +  and native of Eurasia +
0-100 m +
staminate +, pistillate +  and bracteate +
paired +  and solitary +
nodding +  and not nodding +
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 +
Old fields and thickets +
petiolate +, sessile +, compound +  and simple +
cordate +  and orbiculate oblong lanceolate or oblanceolate lobed or unlobed +
3 cm30 mm <br />0.03 m <br /> (9 cm90 mm <br />0.09 m <br />) +
lanceolate +  and ovate +
0.8 cm8 mm <br />0.008 m <br /> (4 cm40 mm <br />0.04 m <br />) +
palmate +  and pinnate +
glabrous +  and tomentose +
toothed;entire +
many-flowered +
paired +  and solitary +
0 cm0 mm <br />0 m <br /> (15 cm150 mm <br />0.15 m <br />) +
0.8 cm8 mm <br />0.008 m <br /> (2 cm20 mm <br />0.02 m <br />) +
distinct +
conspicuous +
spurred +, funnel--shaped +, cup-shaped +  and plane +
reduced +
Flowering summer (Jun–Jul). +
rudimentary +
8 +  and 25 +
not arillate +  and stalked +
not connivent +
not persistent +
distinct +
not recurved +  and widespreading +
3 +  and 6 +
oblanceolate +  and oblong +
0.8 cm8 mm <br />0.008 m <br /> (2 cm20 mm <br />0.02 m <br />) +
Introduced +
yellow-flowered +
not climbing +
ascending +  and erect +
60 cm600 mm <br />0.6 m <br /> (150 cm1,500 mm <br />1.5 m <br />) +
persistent +
Clematis recta +
Clematis subg. Clematis +
species +
annual +  and perennial +