Penstemon attenuatus var. palustris

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

Vasc. Pl. Pacif. N.W. 4: 373. 1959.

Endemic
Basionym: Penstemon palustris Pennell Notul. Nat. Acad. Nat. Sci. Philadelphia 71: 8. 1941
Synonyms: P. attenuatus subsp. palustris (Pennell) D. D. Keck
Treatment appears in FNA Volume 17. Treatment on page 194. Mentioned on page 193.

Stems 15–40 cm. Flowers: calyx lobes lanceolate, margins erose; corolla bluish purple to pinkish blue, 7–12 mm; pollen-sacs 0.6–0.8 (–0.9) mm, dehiscing completely, connective splitting, sutures smooth, sometimes ± papillate.


Phenology: Flowering Jun–Aug.
Habitat: Marshes, stream banks, moist to wet meadows.
Elevation: 400–2400 m.

Discussion

Variety palustris is known from the Blue Mountains of northeastern Oregon and southeastern Washington.

Selected References

None.

Lower Taxa

None.

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

glandular-pubescent +
acuminate +  and short-caudate or long-acuminate +
Craig C. Freeman +
(Pennell) Cronquist in C. L. Hitchcock et al. +
glandular-pubescent +
alternate +, subopposite +, whorled +  and opposite +
glaucescent +
alternate +, opposite +, whorled +, helical +  and subopposite +
cauline +, proximal +  and basal +
rarely +, not glaucous +, glabrate +, pubescent +, hairy +, glandular-lanate +, glandular-pubescent +, puberulent +, glandular +  and glabrous +
not +  and leathery +
tapered;tapered +
Penstemon palustris +
lanceolate;spatulate;obovate or elliptic +
not +  and leathery +
3.2mm;7.5mm +
0.9mm;2.6mm +
short-tubular +  and short-campanulate +
0.4 cm4 mm <br />0.004 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
petiolate +  and sessile +
personate +, not personate +, bilabiate +  and symmetric +
bluish purple +  and pinkish blue +
white-lanate +  and glandular-pubescent +
tubular-funnelform +
ampliate +
0.7 cm7 mm <br />0.007 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
2-8-flowered +
0.1 cm1 mm <br />0.001 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
scale-like +  and not needlelike +
Oreg. +  and Wash. +
drupe-like +
400–2400 m. +
curved +  and straight +
1 +  and 4 +
Marshes, stream banks, moist to wet meadows. +
0 cm0 mm <br />0 m <br /> (0.12 cm1.2 mm <br />0.0012 m <br />) +
membranous +
terminal +  and axillary +
persistent +  and deciduous +
basal +  and cauline +
puberulent +  and glabrous +
not leathery +
orbiculate;linear;orbiculate;linear;truncate;oblanceolate;obovate;oblong;elliptic;round;lanceolate;ovate +
dentate +, serrate +  and entire +
glutinous +
glandular-ciliolate +, hairy +, puberulent +, glabrescent +, glabrous +  and glandular-pubescent +
lacerate +  and denticulate +
axile +  and parietal +
basal +, apical +  and superior +
tenuinucellate +, unitegmic +  and hemitropous +
campylotropous +, hemianatropous +  and anatropous +
glandular-pubescent +
glandular-pubescent +
5 +  and 4 +
Flowering Jun–Aug. +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.09 cm0.9 mm <br />9.0e-4 m <br />) +
navicular-sigmoid +
0.06 cm0.6 mm <br />6.0e-4 m <br /> (0.08 cm0.8 mm <br />8.0e-4 m <br />) +
navicular +  and slightly saccate +
long-petiolate +
9 cm90 mm <br />0.09 m <br /> (13 cm130 mm <br />0.13 m <br />) +
2.5 cm25 mm <br />0.025 m <br /> (3.8 cm38 mm <br />0.038 m <br />) +
5.5 cm55 mm <br />0.055 m <br /> (8 cm80 mm <br />0.08 m <br />) +
1.5 cm15 mm <br />0.015 m <br /> (2.8 cm28 mm <br />0.028 m <br />) +
1.5 cm15 mm <br />0.015 m <br /> (5.5 cm55 mm <br />0.055 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
1.5 cm15 mm <br />0.015 m <br /> (9 cm90 mm <br />0.09 m <br />) +
oblanceolate +
0.2 cm2 mm <br />0.002 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
Vasc. Pl. Pacif. N.W. +
minute +
0.2 cm2 mm <br />0.002 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
black +, gray +, brown +  and tan +
angled +  and slightly rounded +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
0.03 cm0.3 mm <br />3.0e-4 m <br /> (0.04 cm0.4 mm <br />4.0e-4 m <br />) +
0.7 cm7 mm <br />0.007 m <br /> (?) +  and 0.9 cm9 mm <br />0.009 m <br /> (?) +
subalternate +, alternate +, whorled +  and opposite +
70 cm700 mm <br />0.7 m <br /> (90 cm900 mm <br />0.9 m <br />) +
glutinous +
climbing +  and scrambling +
sprawling +, creeping +  and prostrate +
ascending;erect +
not glaucous +, hairy +  and glabrous +
15 cm150 mm <br />0.15 m <br /> (40 cm400 mm <br />0.4 m <br />) +
0.8 cm8 mm <br />0.008 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
papillate +
denticulate +
P. attenuatus subsp. palustris +
Penstemon attenuatus var. palustris +
Penstemon attenuatus +
variety +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
2-ridged +  and inflated +
not constricted +
cylindric +
3 cm30 mm <br />0.03 m <br /> (27 cm270 mm <br />0.27 m <br />) +
straight +
gibbous +  and not spurred +
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
cauline +  and proximal +