Penstemon ellipticus

J. M. Coulter & Fisher

Bot. Gaz. 18. 302. 1893.

Common names: Rocky ledge beardtongue
Endemic
Synonyms: Penstemon davidsonii var. ellipticus (J. M. Coulter & Fisher) B. Boivin
Treatment appears in FNA Volume 17. Treatment on page 88. Mentioned on page 86.

Subshrubs, cespitose. Stems ascending to erect, 5–18 cm, puberulent to retrorsely hairy, usually in lines proximally, not glaucous. Leaves deciduous, sometimes persistent, 2–6 pairs, distals seldom distinctly smaller than proximals, petiolate or sessile, (5–) 10–42 × 4–15 mm, blade obovate to ovate, elliptic, or lanceolate, base tapered to clasping, margins ± crenulate-serrulate, apex obtuse to acute, glabrous, not glaucous. Thyrses continuous, cylindric to ± secund, 1–4 cm, axis glandular-pubescent, verticillasters 2–4, cymes 1-flowered; proximal bracts ovate to lanceolate, (4–) 8–25 × 3–17 mm; peduncles and pedicels ascending to erect, glandular-pubescent. Flowers: calyx lobes lanceolate, 8–15 × (1.8–) 2.5–3.7 mm, glandular-pubescent; corolla violet to purple, unlined internally but abaxial ridges usually light violet to whitish, not personate, funnelform, 27–40 mm, glabrous externally, sparsely to moderately white-lanate internally abaxially, tube 5–8 mm, throat 8–11 mm diam.; stamens included, pollen-sacs 1.1–1.3 mm; staminode 9–16 mm, flattened distally, 0.3–0.4 mm diam., tip straight, glabrous or distal 1–3 (–13) mm sparsely to moderately villous, hairs yellow, to 1.3 mm; style 25–28 mm. Capsules 8–11 × 6–8 mm. 2n = 16.


Phenology: Flowering May–Aug(–Sep).
Habitat: Cliffs, ledges, rock outcrops, talus slopes.
Elevation: 900–2700 m.

Distribution

Alta., B.C., Idaho, Mont., Wash.

Discussion

Penstemon ellipticus is known from the Canadian, Northern, and Middle Rocky mountains, including the Columbia Mountains.

Selected References

None.

Lower Taxa

None.

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

... more about "Penstemon ellipticus"
usually light violet +  and whitish +
white-lanate +  and glabrous +
2.7 cm27 mm <br />0.027 m <br /> (4 cm40 mm <br />0.04 m <br />) +
not glaucous +  and glabrous +
Obtuse (?) +  and Acute (?) +
Craig C. Freeman +
J. M. Coulter & Fisher +
glandular-pubescent +
alternate +, opposite +, whorled +, helical +  and subopposite +
tapered +
Dasanthera +
obovate;ovate elliptic or lanceolate +
not +  and leathery +
0.18 cm1.8 mm <br />0.0018 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
0.8 cm8 mm <br />0.008 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
glandular-pubescent +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.37 cm3.7 mm <br />0.0037 m <br />) +
short-tubular +  and short-campanulate +
0.8 cm8 mm <br />0.008 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
0.6 cm6 mm <br />0.006 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
sessile +, short-petiolate +  and petiolate +
Rocky ledge beardtongue +
not +, personate +  and bilabiate +
violet +  and purple +
glabrous +, hairy +  and glandular-pubescent +
ventricose-ampliate +  and ampliate +
sessile +  and petiolate +
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
scale-like +  and not needlelike +
1 cm10 mm <br />0.01 m <br /> (4.2 cm42 mm <br />0.042 m <br />) +
seldom distinctly smaller +
0.4 cm4 mm <br />0.004 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
Alta. +, B.C. +, Idaho +, Mont. +  and Wash. +
drupe-like +
900–2700 m. +
curved +  and straight +
1 +  and 4 +
Cliffs, ledges, rock outcrops, talus slopes. +
0 cm0 mm <br />0 m <br /> (0.13 cm1.3 mm <br />0.0013 m <br />) +
membranous +
terminal +  and axillary +
subopposite +  and opposite +
persistent +  and deciduous +
not +, glaucous +, hairy +  and glabrous +
2 (?) +  and 6 (?) +
leathery +
orbiculate;linear;orbiculate;linear;truncate;oblanceolate;obovate;oblong;elliptic;round;lanceolate;ovate +
erose +  and entire +
crenulate-serrulate +
glandular +, glabrous +  and glandular-pubescent +
toothed +  and entire +
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–Aug(–Sep). +
0.11 cm1.1 mm <br />0.0011 m <br /> (0.13 cm1.3 mm <br />0.0013 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
0.8 cm8 mm <br />0.008 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
ovate +  and lanceolate +
0.3 cm3 mm <br />0.003 m <br /> (1.7 cm17 mm <br />0.017 m <br />) +
minute +
0.03 cm0.3 mm <br />3.0e-4 m <br /> (0.04 cm0.4 mm <br />4.0e-4 m <br />) +
0.9 cm9 mm <br />0.009 m <br /> (?) +  and 1.6 cm16 mm <br />0.016 m <br /> (?) +
subalternate +, alternate +, whorled +  and opposite +
climbing +  and scrambling +
sprawling +, creeping +  and prostrate +
ascending;erect +
5 cm50 mm <br />0.05 m <br /> (18 cm180 mm <br />0.18 m <br />) +
2.5 cm25 mm <br />0.025 m <br /> (2.8 cm28 mm <br />0.028 m <br />) +
Penstemon davidsonii var. ellipticus +
Penstemon ellipticus +
Penstemon sect. Erianthera +
species +
0.8 cm8 mm <br />0.008 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
2-ridged +  and inflated +
not constricted +
secund +  and continuous +
cylindric +
1 cm10 mm <br />0.01 m <br /> (4 cm40 mm <br />0.04 m <br />) +
straight +
gibbous +  and not spurred +
0.5 cm5 mm <br />0.005 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
subshrub +  and cespitose +