Penstemon confertus

Douglas

Edwards’s Bot. Reg. 15: plate 1260. 1829.

Common names: Yellow beardtongue
Endemic
Treatment appears in FNA Volume 17. Treatment on page 198. Mentioned on page 186, 187, 205.

Herbs. Stems ascending to erect, 4–40 (–70) cm, glabrous or retrorsely hairy, not glaucous. Leaves basal and cauline, not leathery, glabrous; basal and proximal cauline 45–125 × 5–26 mm, blade elliptic to oblanceolate, base tapered, margins entire, apex obtuse to acute; cauline 4–7 pairs, sessile or proximals short-petiolate, (7–) 12–86 × (2–) 3–20 (–25) mm, blade oblanceolate to lanceolate or elliptic, rarely ovate, base tapered to truncate, margins entire, apex obtuse to acute. Thyrses interrupted, cylindric, 2–25 (–50) cm, axis glabrous or retrorsely hairy, verticillasters (1 or) 2–10, cymes 2–9-flowered, 2 per node; proximal bracts lanceolate, rarely ovate, 4–50 × 2–12 mm, margins entire; peduncles and pedicels erect, retrorsely hairy. Flowers: calyx lobes oblong to lanceolate, 3–4.8 × 0.7–1.8 mm, apex truncate to cuspidate or short to long-caudate, glabrous; corolla yellow, rarely white, ochroleucous, pink, or lavender, without nectar guides, tubular to tubular-funnelform, 6–11 mm, glabrous externally, moderately yellowish or white-lanate internally abaxially, tube 3–4 mm, throat slightly inflated, 2–3 mm diam., 2-ridged abaxially; stamens included or longer pair reaching orifice, pollen-sacs opposite, explanate, 0.4–0.5 mm, dehiscing completely, connective splitting, sides glabrous, sutures smooth; staminode 4–6 mm, included, 0.3–0.4 mm diam., tip straight, distal 0.5–1 mm pilose, hairs yellowish-brown, to 0.5 mm; style 7–9 mm. Capsules 3–5 × 2–3.5 mm, glabrous. 2n = 32.


Phenology: Flowering May–Aug.
Habitat: Dry meadows, grassy slopes, openings in pine forests.
Elevation: 300–2400 m.

Distribution

Alta., B.C., Sask., Alaska, Idaho, Mont., Oreg., Wash.

Discussion

Penstemon confertus is widespread in the Central, Northern, and Canadian Rocky mountains in southern Alberta, southern British Columbia, southwestern Saskatchewan, northern Idaho, western Montana, northeastern Oregon, and eastern Washington. Isolated populations are known in northern British Columbia (Lackman Lake) and southern Alaska (Haines). E. Heitz (1927) reported a chromosome number of 2n = ca. 16 for P. confertus; the voucher for that count has not been verified. Counts from reports by J. Clausen et al. (1940), D. D. Keck (1945), and R. Spellenberg (1971) all are 2n = 32. Putative hybrids between P. confertus and P. globosus have been documented in Idaho County, Idaho (D. V. Clark 1971).

The Thompson and Okanagan-Colville tribes of southern British Columbia and northeastern Washington use Penstemon confertus for drugs, food, and dye (D. E. Moerman 1998).

Selected References

None.

Lower Taxa

None.

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

... more about "Penstemon confertus"
truncate;cuspidate +
long-caudate +, obtuse +  and acute +
Craig C. Freeman +
Douglas +
hairy +  and glabrous +
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 to truncate;tapered +
ovate;oblanceolate;lanceolate or elliptic +
not +  and leathery +
oblong;lanceolate +
0.7mm;1.8mm +
short-tubular +  and short-campanulate +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
petiolate +  and sessile +
Yellow beardtongue +
personate +, not personate +, bilabiate +  and symmetric +
yellowish +, lavender +, pink +, ochroleucous +, white +  and yellow +
white-lanate +  and glabrous +
tubular +  and tubular-funnelform +
ampliate +
0.6 cm6 mm <br />0.006 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
2-9-flowered +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
scale-like +  and not needlelike +
Alta. +, B.C. +, Sask. +, Alaska +, Idaho +, Mont. +, Oreg. +  and Wash. +
drupe-like +
300–2400 m. +
curved +  and straight +
1 +  and 4 +
Dry meadows, grassy slopes, openings in pine forests. +
yellowish-brown +
0 cm0 mm <br />0 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
membranous +
terminal +  and axillary +
persistent +  and deciduous +
basal +  and cauline +
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 +
axile +  and parietal +
basal +, apical +  and superior +
tenuinucellate +, unitegmic +  and hemitropous +
campylotropous +, hemianatropous +  and anatropous +
5 +  and 4 +
Flowering May–Aug. +
navicular-sigmoid +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
1/5 +  and 2/3 +
short-petiolate +
0.7 cm7 mm <br />0.007 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
2 cm20 mm <br />0.02 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (5 cm50 mm <br />0.05 m <br />) +
ovate +  and lanceolate +
0.2 cm2 mm <br />0.002 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
1.2 cm12 mm <br />0.012 m <br /> (8.6 cm86 mm <br />0.086 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (2 cm20 mm <br />0.02 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 +
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 />) +
0.4 cm4 mm <br />0.004 m <br /> (?) +  and 0.6 cm6 mm <br />0.006 m <br /> (?) +
subalternate +, alternate +, whorled +  and opposite +
40 cm400 mm <br />0.4 m <br /> (70 cm700 mm <br />0.7 m <br />) +
glutinous +
climbing +  and scrambling +
sprawling +, creeping +  and prostrate +
ascending;erect +
not glaucous +, hairy +  and glabrous +
4 cm40 mm <br />0.04 m <br /> (40 cm400 mm <br />0.4 m <br />) +
0.7 cm7 mm <br />0.007 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
papillate +
denticulate +
Penstemon confertus +
Penstemon sect. Penstemon +
species +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
2-ridged +  and inflated +
not constricted +
25 cm250 mm <br />0.25 m <br /> (50 cm500 mm <br />0.5 m <br />) +
cylindric +
2 cm20 mm <br />0.02 m <br /> (25 cm250 mm <br />0.25 m <br />) +
straight +
gibbous +  and not spurred +
0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
cauline +  and proximal +