Penstemon personatus

D. D. Keck

Madroño 3: 248. 1936.

Common names: Closed-throat beardtongue
EndemicConservation concern
Treatment appears in FNA Volume 17. Treatment on page 91. Mentioned on page 84, 85.

Herbs; caudex herbaceous, rhizomelike. Stems ascending to erect, 30–57 cm, puberulent or retrorsely hairy, rarely glandular-pubescent distally, not glaucous. Leaves deciduous, 3–6 (or 7) pairs, petiolate or sessile, (6–) 30–65 (–95) × (5–) 12–50 mm, blade ovate to oblong or lanceolate, base truncate to cordate, margins entire or ± denticulate, apex obtuse to acute, puberulent to pubescent abaxially, glabrate adaxially, glaucescent. Thyrses interrupted, conic, 7–33 cm, axis sparsely to densely glandular-pubescent, verticillasters (2 or) 3–5 (–7), cymes 2–5 (–7) -flowered; proximal bracts ovate to lanceolate, 7–28 (–72) × 3–17 (–45) mm; peduncles and pedicels ascending to erect, glandular-pubescent. Flowers: calyx lobes lanceolate, 3.8–6 × 1.1–2 mm, glandular-pubescent; corolla lavender to purple or white, lined internally with violet nectar guides, personate, tubular-funnelform, 20–26 mm, glabrous or sparsely glandular-pubescent externally, moderately to densely white-villous internally, tube 7–8 mm, throat 6–8 mm diam.; stamens included, pollen-sacs 0.8–1.1 mm, glabrous; staminode 4–5 mm, flattened distally, 0.1–0.2 mm diam., tip straight, distal 3–4 mm densely villous, hairs yellow, to 1 mm; style 17–19 mm. Capsules 6–9 × 4–5 mm.


Phenology: Flowering (Jun–)Jul–Aug.
Habitat: Sugar pine, yellow pine, California red fir, and mixed evergreen forests.
Elevation: 1100–2100 m.

Discussion

Penstemon personatus is known from the northern Sierra Nevada in Butte, Nevada, Plumas, and Sierra counties.

Selected References

None.

Lower Taxa

None.

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

... more about "Penstemon personatus"
glaucescent +
glabrate +, puberulent +  and pubescent abaxially +
obtuse +  and acute +
Craig C. Freeman +
D. D. Keck +
glandular-pubescent +
alternate +, opposite +, whorled +, helical +  and subopposite +
truncate;cordate +
Dasanthera +
ovate;oblong or lanceolate +
not +  and leathery +
glandular-pubescent +
short-tubular +  and short-campanulate +
0.6 cm6 mm <br />0.006 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
sessile +, short-petiolate +  and petiolate +
Closed-throat beardtongue +
personate +  and lined +
lavender +  and purple or white +
sparsely glandular-pubescent externally +  and moderately densely white-villous +
tubular-funnelform +
ventricose-ampliate +  and ampliate +
2 cm20 mm <br />0.02 m <br /> (2.6 cm26 mm <br />0.026 m <br />) +
2-5(-7)-flowered +
0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
scale-like +  and not needlelike +
drupe-like +
1100–2100 m. +
curved +  and straight +
1 +  and 4 +
Sugar pine, yellow pine, California red fir, and mixed evergreen forests. +
0 cm0 mm <br />0 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
membranous +
terminal +  and axillary +
sessile +  and petiolate +
subopposite +  and opposite +
6.5 cm65 mm <br />0.065 m <br /> (9.5 cm95 mm <br />0.095 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
deciduous +
3 cm30 mm <br />0.03 m <br /> (6.5 cm65 mm <br />0.065 m <br />) +
not +, glaucous +, hairy +  and glabrous +
3 (?) +  and 6 (?) +
leathery +
1.2 cm12 mm <br />0.012 m <br /> (5 cm50 mm <br />0.05 m <br />) +
orbiculate;linear;orbiculate;linear;truncate;oblanceolate;obovate;oblong;elliptic;round;lanceolate;ovate +
erose +  and entire +
glandular +, glabrous +  and glandular-pubescent +
denticulate +  and entire +
herbaceous +  and scarious +
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 (Jun–)Jul–Aug. +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.11 cm1.1 mm <br />0.0011 m <br />) +
2.8 cm28 mm <br />0.028 m <br /> (7.2 cm72 mm <br />0.072 m <br />) +
1.7 cm17 mm <br />0.017 m <br /> (4.5 cm45 mm <br />0.045 m <br />) +
0.7 cm7 mm <br />0.007 m <br /> (2.8 cm28 mm <br />0.028 m <br />) +
ovate +  and lanceolate +
0.3 cm3 mm <br />0.003 m <br /> (1.7 cm17 mm <br />0.017 m <br />) +
minute +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
Endemic +  and Conservation concern +
0.01 cm0.1 mm <br />1.0e-4 m <br /> (0.02 cm0.2 mm <br />2.0e-4 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (?) +  and 0.5 cm5 mm <br />0.005 m <br /> (?) +
subalternate +, alternate +, whorled +  and opposite +
climbing +  and scrambling +
sprawling +, creeping +  and prostrate +
ascending;erect +
not glaucous +, glandular-pubescent +, hairy +  and puberulent +
30 cm300 mm <br />0.3 m <br /> (57 cm570 mm <br />0.57 m <br />) +
1.7 cm17 mm <br />0.017 m <br /> (1.9 cm19 mm <br />0.019 m <br />) +
Penstemon personatus +
Penstemon sect. Erianthera +
species +
0.6 cm6 mm <br />0.006 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
2-ridged +  and inflated +
not constricted +
7 cm70 mm <br />0.07 m <br /> (33 cm330 mm <br />0.33 m <br />) +
straight +
gibbous +  and not spurred +
0.7 cm7 mm <br />0.007 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +