Penstemon deustus var. deustus

IllustratedEndemic
Treatment appears in FNA Volume 17. Treatment on page 200. Mentioned on page 201.

Leaves opposite, cauline (7–) 10–50 × (5–) 8–20 mm, blade ovate, sometimes distals oblanceolate, spatulate, or lanceolate, margins sharply serrate. Flowers: calyx lobes ovate to lanceolate, 3–5 (–6.3) × 1–1.9 mm, apex acute to acuminate; corolla 12–18 mm, glandular-pubescent externally, glandular-pubescent internally, sometimes obscurely adaxially, abaxial lobes white to ochroleucous, sometimes tinged lavender; staminode glabrous, sometimes distal 1–2 mm sparsely pilose, hairs yellow, to 0.2 mm. 2n = 16.


Phenology: Flowering May–Jul.
Habitat: Rocky hillsides, talus slopes, rock outcrops, gravelly banks, sagebrush shrublands, juniper woodlands, open pine forests.
Elevation: 400–2600 m.

Distribution

Idaho, Mont., Nev., Oreg., Wash., Wyo.

Discussion

Variety deustus is widespread in the Columbia Basin and Central Rocky Mountains from northwestern and north-central Wyoming and south-central Montana to northern Idaho and western Washington and to western Oregon and northern Nevada.

Selected References

None.

Lower Taxa

None.

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

Acute (?) +  and Acuminate (?) +
Craig C. Freeman +
Douglas ex Lindley +
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 +
not +  and leathery +
0.5 cm5 mm <br />0.005 m <br /> (0.63 cm6.3 mm <br />0.0063 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
glandular-pubescent +
0.1 cm1 mm <br />0.001 m <br /> (0.19 cm1.9 mm <br />0.0019 m <br />) +
short-tubular +  and short-campanulate +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
sessile +  and petiolate +
0.7 cm7 mm <br />0.007 m <br /> (1 cm10 mm <br />0.01 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
1 cm10 mm <br />0.01 m <br /> (5 cm50 mm <br />0.05 m <br />) +
personate +, not personate +, bilabiate +  and symmetric +
tinged lavender +, white +  and ochroleucous +
glandular-pubescent +
ampliate +
1.2 cm12 mm <br />0.012 m <br /> (1.8 cm18 mm <br />0.018 m <br />) +
1-6-flowered +
scale-like +  and not needlelike +
lanceolate +, spatulate +  and oblanceolate +
Idaho +, Mont. +, Nev. +, Oreg. +, Wash. +  and Wyo. +
drupe-like +
400–2600 m. +
curved +  and straight +
1 +  and 4 +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
Rocky hillsides, talus slopes, rock outcrops, gravelly banks, sagebrush shrublands, juniper woodlands, open pine forests. +
0 cm0 mm <br />0 m <br /> (0.02 cm0.2 mm <br />2.0e-4 m <br />) +
membranous +
terminal +  and axillary +
persistent +  and deciduous +
hairy +  and glabrous +
not leathery +
orbiculate;linear;orbiculate;linear;truncate;oblanceolate;obovate;oblong;elliptic;round;lanceolate;ovate +
glutinous +
glandular-ciliolate +, hairy +, puberulent +, glabrescent +, glabrous +  and glandular-pubescent +
lacerate +, toothed +  and entire +
purple +  and brownish +
axile +  and parietal +
basal +, apical +  and superior +
tenuinucellate +, unitegmic +  and hemitropous +
campylotropous +, hemianatropous +  and anatropous +
ascending +  and erect +
glandular-pubescent +
glandular-pubescent +
5 +  and 4 +
Flowering May–Jul. +
navicular-sigmoid +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.08 cm0.8 mm <br />8.0e-4 m <br />) +
1/5 +  and 2/3 +
0.6 cm6 mm <br />0.006 m <br /> (4 cm40 mm <br />0.04 m <br />) +
lanceolate +  and linear +
0.1 cm1 mm <br />0.001 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
Edwards’s Bot. Reg. +
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 +
Illustrated +  and Endemic +
0.02 cm0.2 mm <br />2.0e-4 m <br /> (0.03 cm0.3 mm <br />3.0e-4 m <br />) +
0.8 cm8 mm <br />0.008 m <br /> (?) +  and 0.9 cm9 mm <br />0.009 m <br /> (?) +
subalternate +, alternate +, whorled +  and opposite +
glutinous +
climbing +  and scrambling +
sprawling +, creeping +  and prostrate +
ascending;erect +
15 cm150 mm <br />0.15 m <br /> (50 cm500 mm <br />0.5 m <br />) +
0.7 cm7 mm <br />0.007 m <br /> (1 cm10 mm <br />0.01 m <br />) +
papillate +
denticulate +
Penstemon deustus var. deustus +
Penstemon deustus +
variety +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
2-ridged +  and inflated +
not constricted +
cylindric +
6 cm60 mm <br />0.06 m <br /> (30 cm300 mm <br />0.3 m <br />) +
straight +
villous +, pilose +  and glabrous +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
gibbous +  and not spurred +
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +