Penstemon fruticosus var. scouleri

(Lindley) Cronquist in C. L. Hitchcock et al.

Vasc. Pl. Pacif. N.W. 4: 385. 1959.

Endemic
Basionym: Penstemon scouleri Lindley Edwards’s Bot. Reg. 15: plate 1277. 1829
Synonyms: P. fruticosus subsp. scouleri (Lindley) Pennell & D. D. Keck
Treatment appears in FNA Volume 17. Treatment on page 89.

Leaves (5–) 8–48 × 3–8 mm, blade lanceolate, margins entire, serrate, or dentate, rarely sharply serrate or dentate. Flowers: corolla 35–48 mm.


Phenology: Flowering Apr–Jul.
Habitat: Cliffs, rock outcrops, rocky slopes, forest openings, roadcuts.
Elevation: 200–2200 m.

Discussion

Variety scouleri is known from southwestern Alberta, southern British Columbia, northern Idaho, and northeastern Washington.

Selected References

None.

Lower Taxa

None.

"/3-3/4timescorollathroat" is not declared as a valid unit of measurement for this property.

not glaucous +  and glabrous +
obtuse +  and acute +
Craig C. Freeman +
(Lindley) Cronquist in C. L. Hitchcock et al. +
hairy +  and glandular-pubescent +
alternate +, opposite +, whorled +, helical +  and subopposite +
tapered +
Penstemon scouleri +
lanceolate +
not +  and leathery +
1.3 cm13 mm <br />0.013 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
glandular-pubescent +
lanceolate;linear +
short-tubular +  and short-campanulate +
0.8 cm8 mm <br />0.008 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
0.55 cm5.5 mm <br />0.0055 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
sessile +, short-petiolate +  and petiolate +
not personate +  and lined +
bluish lavender +  and purplish or violet +
villous +, white-lanate +  and glabrous +
tubular-funnelform +
ventricose-ampliate +  and ampliate +
3.5 cm35 mm <br />0.035 m <br /> (4.8 cm48 mm <br />0.048 m <br />) +
sessile +  and petiolate +
5 cm50 mm <br />0.05 m <br /> (6 cm60 mm <br />0.06 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
scale-like +  and not needlelike +
0.6 cm6 mm <br />0.006 m <br /> (5 cm50 mm <br />0.05 m <br />) +
usually distinctly smaller +
0.3 cm3 mm <br />0.003 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
Alta. +, B.C. +, Idaho +  and Wash. +
drupe-like +
200–2200 m. +
curved +  and straight +
1 +  and 4 +
Cliffs, rock outcrops, rocky slopes, forest openings, roadcuts. +
0 cm0 mm <br />0 m <br /> (0.12 cm1.2 mm <br />0.0012 m <br />) +
membranous +
terminal +  and axillary +
subopposite +  and opposite +
0.5 cm5 mm <br />0.005 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
persistent +
0.8 cm8 mm <br />0.008 m <br /> (4.8 cm48 mm <br />0.048 m <br />) +
not +, glaucous +, hairy +  and glabrous +
2 (?) +  and 6 (?) +
leathery +
0.3 cm3 mm <br />0.003 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
orbiculate;linear;orbiculate;linear;truncate;oblanceolate;obovate;oblong;elliptic;round;lanceolate;ovate +
erose +  and entire +
dentate +, serrate +  and entire +
glandular +, glabrous +  and glandular-pubescent +
toothed +  and entire +
herbaceous +  and scarious +
bluish lavender +
axile +  and parietal +
basal +, apical +  and superior +
tenuinucellate +, unitegmic +  and hemitropous +
campylotropous +, hemianatropous +  and anatropous +
ascending +  and erect +
glandular-pubescent +
ascending;erect +
glandular-pubescent +
5 +  and 4 +
Flowering Apr–Jul. +
0.13 cm1.3 mm <br />0.0013 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.13 cm1.3 mm <br />0.0013 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (1.6 cm16 mm <br />0.016 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Vasc. Pl. Pacif. N.W. +
minute +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
0.01 cm0.1 mm <br />1.0e-4 m <br /> (0.03 cm0.3 mm <br />3.0e-4 m <br />) +
0.7 cm7 mm <br />0.007 m <br /> (?) +  and 1.2 cm12 mm <br />0.012 m <br /> (?) +
subalternate +, alternate +, whorled +  and opposite +
climbing +  and scrambling +
sprawling +, creeping +  and prostrate +
not glaucous +, hairy +  and glabrous +
13 cm130 mm <br />0.13 m <br /> (40 cm400 mm <br />0.4 m <br />) +
2.4 cm24 mm <br />0.024 m <br /> (2.7 cm27 mm <br />0.027 m <br />) +
P. fruticosus subsp. scouleri +
Penstemon fruticosus var. scouleri +
Penstemon fruticosus +
variety +
0.8 cm8 mm <br />0.008 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
2-ridged +  and inflated +
not constricted +
secund +, continuous +  and more or less interrupted +
conic +  and cylindric +
3 cm30 mm <br />0.03 m <br /> (11 cm110 mm <br />0.11 m <br />) +
straight +
0.5 cm5 mm <br />0.005 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
gibbous +  and not spurred +
0.8 cm8 mm <br />0.008 m <br /> (1 cm10 mm <br />0.01 m <br />) +
subshrub +, cespitose +  and shrub +