Clematis occidentalis var. dissecta

(C. L. Hitchcock) J. S. Pringle

Brittonia 23: 371. 1971.

Endemic
Basionym: Clematis columbiana var. dissecta C.L. Hitchcock Univ. Wash. Publ. Biol. 17(2): 341. 1964
Treatment appears in FNA Volume 3.

Stems short and tufted or, if viny, up to 0.5 (-1.5) m and trailing. Leaves: leaflets lobed or unlobed, 1.5-6.5 (-9) cm, margins crenate-serrate; terminal leaflet, at least, usually deeply lobed, or sometimes ternate. Flowers: sepals moderately divergent, reddish violet or less often violet-blue, lanceovate, 2.5-4.5 (-6) cm, margins not fluted, tips acute to acuminate.


Phenology: Flowering spring.
Habitat: Cliffs and other rocky sites in open woods and thickets
Elevation: 700-1900 m

Discussion

Clematis occidentalis var. dissecta occurs only in the Wenatchee and adjacent ranges of the Cascade Mountains.

Selected References

None.

Lower Taxa

None.

"thin" is not a number.

flattened +
flattened +
reduced +
James S. Pringle +
(C. L. Hitchcock) J. S. Pringle +
cuneate +, truncate +  and cordate +
Clematis columbiana var. dissecta +
curved +  and straight +
plumose +
1.2 cm12 mm <br />0.012 m <br /> (11 cm110 mm <br />0.11 m <br />) +
scale-like;leaflike +
globose;cylindric +
1-many-flowered +
0 cm0 mm <br />0 m <br /> (15 cm150 mm <br />0.15 m <br />) +
700-1900 m +
flattened +
1-many-flowered +
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 +
Cliffs and other rocky sites in open woods and thickets +
terminal +  and axillary +
unlobed +  and lobed +
not succulent +  and firm +
6.5 cm65 mm <br />0.065 m <br /> (9 cm90 mm <br />0.09 m <br />) +
unlobed +  and lobed +
1.5 cm15 mm <br />0.015 m <br /> (6.5 cm65 mm <br />0.065 m <br />) +
palmate +  and pinnate +
not fluted +
1-many-flowered +
0 cm0 mm <br />0 m <br /> (15 cm150 mm <br />0.15 m <br />) +
widely bell-shaped;rotate +
distinct +
conspicuous +
spurred +, funnel--shaped +, cup-shaped +  and plane +
reduced +
Flowering spring. +
5 +  and 150 +
not arillate +  and stalked +
4.5 cm45 mm <br />0.045 m <br /> (6 cm60 mm <br />0.06 m <br />) +
violet-blue;reddish violet +
not persistent +
distinct +
spreading +  and ascending +
3 +  and 6 +
lanceovate +
2.5 cm25 mm <br />0.025 m <br /> (4.5 cm45 mm <br />0.045 m <br />) +
50 cm500 mm <br />0.5 m <br /> (150 cm1,500 mm <br />1.5 m <br />) +
0 cm0 mm <br />0 m <br /> (50 cm500 mm <br />0.5 m <br />) +
persistent +
Clematis occidentalis var. dissecta +
Clematis occidentalis +
variety +
acute +  and acuminate +
annual +  and perennial +