Penstemon gormanii

Greene

Ottawa Naturalist 16: 39. 1902.

Common names: Gorman’s beardtongue
Endemic
Treatment appears in FNA Volume 17. Treatment on page 136. Mentioned on page 126.

Stems ascending to erect, (6–) 10–30 (–65) cm, glabrous proximally, glandular-pubescent to glandular-villous distally. Leaves basal and cauline, not leathery, glabrous or distal cauline sometimes glabrous abaxially, glandular-pubescent adaxially; basal and proximal cauline petiolate, (18–) 35–100 × (2–) 3–10 mm, blade spatulate to oblanceolate, base tapered, margins entire or obscurely serrate, apex rounded to obtuse or acute; cauline 2–4 pairs, sessile, 15–68 × 2–16 mm, blade oblong to lanceolate, base tapered to clasping, margins entire or obscurely serrate, apex obtuse to acute. Thyrses continuous or ± interrupted, cylindric, (1–) 3–15 cm, axis glandular-villous, verticillasters 2–6, cymes (1 or) 2–5-flowered, 2 per node; proximal bracts lanceolate to linear, (5–) 10–56 × (1–) 3–10 mm; peduncles and pedicels glandular-pubescent. Flowers: calyx lobes lanceolate, 7–10.5 × 1.4–2.2 mm, glandular-villous; corolla lavender to purple or bluish violet, with reddish purple nectar guides, ventricose, 19–30 mm, sparsely white or yellowish villous internally abaxially, tube 5–6 mm, throat abruptly inflated, not constricted at orifice, 8–14 mm diam., rounded abaxially; stamens included, pollen-sacs opposite, navicular, 1.3–1.5 mm, dehiscing completely, sutures smooth; staminode 13–17 mm, prominently exserted, 0.4–0.6 mm diam., tip straight to recurved, distal 2–3 mm sparsely lanate, hairs yellow, to 2 mm, and medial 4–8 mm sparsely to moderately pilose, hairs yellow, to 1 mm; style 11–14 mm. Capsules 7–10 × 4–5 mm. 2n = 16.


Phenology: Flowering Jun–Aug.
Habitat: Rocky slopes, sand dunes, gravelly stream terraces, clearings in forests.
Elevation: 400–1200 m.

Distribution

B.C., N.W.T., Yukon, Alaska.

Discussion

Penstemon gormanii resembles P. eriantherus vars. argillosus and whitedii.

Selected References

None.

Lower Taxa

None.

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

... more about "Penstemon gormanii"
obtuse +  and acute +
Craig C. Freeman +
Greene +
glandular-villous +
alternate +, opposite +, whorled +, helical +  and subopposite +
tapered;tapered +
Penstemon +
oblong;lanceolate +
not +  and leathery +
glandular-villous +
1.4mm;2.2mm +
short-tubular +  and short-campanulate +
0.7 cm7 mm <br />0.007 m <br /> (1 cm10 mm <br />0.01 m <br />) +
glandular-pubescent +  and glabrous +
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
1.5 cm15 mm <br />0.015 m <br /> (6.8 cm68 mm <br />0.068 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (1.6 cm16 mm <br />0.016 m <br />) +
Gorman’s beardtongue +
not personate +, rarely nearly radially symmetric +  and weakly strongly bilabiate +
yellowish +, white +, lavender +  and purple or bluish violet +
ventricose +
ampliate +
1.9 cm19 mm <br />0.019 m <br /> (3 cm30 mm <br />0.03 m <br />) +
2-5-flowered +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
scale-like +  and not needlelike +
B.C. +, N.W.T. +, Yukon +  and Alaska. +
drupe-like +
400–1200 m. +
curved +  and straight +
1 +  and 4 +
Rocky slopes, sand dunes, gravelly stream terraces, clearings in forests. +
0 cm0 mm <br />0 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
membranous +
terminal +  and axillary +
short-petiolate +, sessile +  and petiolate +
whorled +  and opposite +
persistent +  and deciduous +
basal +  and cauline +
glandular-pubescent +  and glabrous +
not leathery +
orbiculate;linear;orbiculate;linear;truncate;oblanceolate;obovate;oblong;elliptic;round;lanceolate;ovate +
serrate +  and entire +
glabrous +, puberulent +, hairy +, scabrous +, glandular-villous +  and glandular-pubescent +
toothed +  and entire +
scarious +  and herbaceous +
0.4 cm4 mm <br />0.004 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
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–Aug. +
navicular-sigmoid +
0.13 cm1.3 mm <br />0.0013 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
1/5 +  and 1/2 +
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
1 cm10 mm <br />0.01 m <br /> (5.6 cm56 mm <br />0.056 m <br />) +
lanceolate +  and linear +
0.3 cm3 mm <br />0.003 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Ottawa Naturalist +
minute +
black +, dark-brown +  and brown +
angled +  and reniform or slightly rounded +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.48 cm4.8 mm <br />0.0048 m <br />) +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.06 cm0.6 mm <br />6.0e-4 m <br />) +
1.3 cm13 mm <br />0.013 m <br /> (?) +  and 1.7 cm17 mm <br />0.017 m <br /> (?) +
subalternate +, alternate +, whorled +  and opposite +
30 cm300 mm <br />0.3 m <br /> (65 cm650 mm <br />0.65 m <br />) +
climbing +  and scrambling +
sprawling +, creeping +  and prostrate +
ascending;erect +
glandular-pubescent +  and glandular-villous +
10 cm100 mm <br />0.1 m <br /> (30 cm300 mm <br />0.3 m <br />) +
glandular-pubescent +  and glabrous +
1.1 cm11 mm <br />0.011 m <br /> (1.4 cm14 mm <br />0.014 m <br />) +
papillate +  and smooth +
denticulate +
Penstemon sect. Albidi +
Penstemon gormanii +
Penstemon sect. Cristati +
species +
0.8 cm8 mm <br />0.008 m <br /> (1.4 cm14 mm <br />0.014 m <br />) +
rounded +  and inflated +
not constricted +
interrupted +  and continuous +
1 cm10 mm <br />0.01 m <br /> (3 cm30 mm <br />0.03 m <br />) +
cylindric +
3 cm30 mm <br />0.03 m <br /> (15 cm150 mm <br />0.15 m <br />) +
straight +
gibbous +  and not spurred +
0.5 cm5 mm <br />0.005 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
cauline +  and proximal +
acaulescent +  and caulescent +