Penstemon leiophyllus var. leiophyllus

Endemic
Treatment appears in FNA Volume 17. Treatment on page 171.

Stems 15–55 (–80) cm. Cauline leaves 18–70 × 4–20 mm, blade lanceolate, usually flat and straight. Flowers: corolla 20–32 mm, glabrous, rarely white-lanate, internally abaxially.


Phenology: Flowering Jun–Aug.
Habitat: Spruce forests, pine-aspen woodlands.
Elevation: 1700–3400 m.

Discussion

Variety leiophyllus is known from the Markagunt and Paunsaugunt plateaus and Pine Valley Mountains (Garfield, Iron, Kane, and Washington counties). Some collections from the Pine Valley Mountains have corollas that are white-lanate internally abaxially.

Selected References

None.

Lower Taxa

None.

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

obtuse +  and acute +
Craig C. Freeman +
Pennell +
glandular-pubescent +
alternate +, opposite +, whorled +, helical +  and subopposite +
tapered;tapered +
Penstemon +
straight +
lanceolate +
not +  and leathery +
0.38 cm3.8 mm <br />0.0038 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
4.5mm;8.5mm +
glandular-pubescent +
1.6mm;3.8mm +
short-tubular +  and short-campanulate +
0.7 cm7 mm <br />0.007 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
1.8 cm18 mm <br />0.018 m <br /> (7 cm70 mm <br />0.07 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (2 cm20 mm <br />0.02 m <br />) +
not personate +, weakly bilabiate +  and strongly bilabiate +
violet +  and blue or purple +
white-lanate +  and glabrous +
ventricose +
ventricose-ampliate +
2 cm20 mm <br />0.02 m <br /> (3.2 cm32 mm <br />0.032 m <br />) +
1-3-flowered +
scale-like +  and not needlelike +
drupe-like +
1700–3400 m. +
curved +  and straight +
1 +  and 4 +
Spruce forests, pine-aspen woodlands. +
orangish yellow +  and yellow +
0 cm0 mm <br />0 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
membranous +
terminal +  and axillary +
persistent +  and deciduous +
basal +  and cauline +
not glaucous +  and glabrous +
not leathery +
orbiculate;linear;orbiculate;linear;truncate;oblanceolate;obovate;oblong;elliptic;round;lanceolate;ovate +
glutinous +
puberulent +, glandular-pubescent +  and glabrous +
lacerate +
reddish purple +  and violet +
axile +  and parietal +
basal +, apical +  and superior +
tenuinucellate +, unitegmic +  and hemitropous +
campylotropous +, hemianatropous +  and anatropous +
0 cm0 mm <br />0 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
spreading +, erect +  and ascending +
glandular-pubescent +
spreading;erect;ascending +
glandular-pubescent +
5 +  and 4 +
Flowering Jun–Aug. +
divergent +  and nearly opposite +
sigmoid +  and navicular-sigmoid +
indehiscent +  and dehiscing +
0.12 cm1.2 mm <br />0.0012 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
short-petiolate +
0.6 cm6 mm <br />0.006 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 /> (6 cm60 mm <br />0.06 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (2.4 cm24 mm <br />0.024 m <br />) +
1.6 cm16 mm <br />0.016 m <br /> (8 cm80 mm <br />0.08 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (2 cm20 mm <br />0.02 m <br />) +
Contr. U.S. Natl. Herb. +
minute +
tan +  and brown or dark-brown +
angled +  and angled-elongate +
0.09 cm0.9 mm <br />9.0e-4 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
papillate +
exserted +  and included +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
1 cm10 mm <br />0.01 m <br /> (?) +  and 1.4 cm14 mm <br />0.014 m <br /> (?) +
short-petiolate +  and petiolate +
55 cm550 mm <br />0.55 m <br /> (80 cm800 mm <br />0.8 m <br />) +
glutinous +
climbing +  and scrambling +
sprawling +, creeping +  and prostrate +
ascending;erect +
cauline +, proximal +  and basal +
not glaucous +  and glabrous +
reduced +
15 cm150 mm <br />0.15 m <br /> (55 cm550 mm <br />0.55 m <br />) +
not +  and leathery +
1.2 cm12 mm <br />0.012 m <br /> (1.9 cm19 mm <br />0.019 m <br />) +
papillate +
denticulate +
Penstemon subg. Habroanthus +
Penstemon leiophyllus var. leiophyllus +
Penstemon leiophyllus +
variety +
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
2-ridged +  and inflated +
not constricted +
secund +, continuous +  and interrupted +
30 cm300 mm <br />0.3 m <br /> (40 cm400 mm <br />0.4 m <br />) +
cylindric +
3 cm30 mm <br />0.03 m <br /> (30 cm300 mm <br />0.3 m <br />) +
straight +
0.1 cm1 mm <br />0.001 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
smooth +  and papillate +
0 cm0 mm <br />0 m <br /> (0.01 cm0.1 mm <br />1.0e-4 m <br />) +
gibbous +  and not spurred +
0.6 cm6 mm <br />0.006 m <br /> (1 cm10 mm <br />0.01 m <br />) +
petiolate +  and sessile +
cauline +  and proximal +