Penstemon palmeri var. eglandulosus

(D. D. Keck) N. H. Holmgren

Brittonia 31: 105. 1979.

Endemic
Basionym: Penstemon palmeri subsp. eglandulosus D. D. Keck Amer. Midl. Naturalist 18: 797. 1937
Treatment appears in FNA Volume 17. Treatment on page 253. Mentioned on page 252.

Distal cauline leaves connate-perfoliate. Thyrses: peduncles and pedicels glabrous. Flowers: calyx lobes glabrous; corolla-tube 4–6 mm; pollen-sacs 1.6–2 (–2.2) mm.


Phenology: Flowering Jun–Jul.
Habitat: Washes, roadsides, desert shrublands, pinyon-juniper woodlands, pine woodlands.
Elevation: 1500–2600 m.

Discussion

Variety eglandulosus occurs from the southern end of the Utah Plateau (Emery, Garfield, Grand, Iron, Kane, San Juan, Washington, and Wayne counties, Utah) to the Kaibab Plateau in northern Coconino and Mohave counties, Arizona. A population in Socorro County, New Mexico, appears to have been seeded along a roadside.

Selected References

None.

Lower Taxa

None.

"/4+timescorollathroat" is not declared as a valid unit of measurement for this property."-1.4timescalyxlobes" is not declared as a valid unit of measurement for this property.

acute +  and obtuse +
Craig C. Freeman +
(D. D. Keck) N. H. Holmgren +
glandular-pubescent +  and glabrous +
alternate +, opposite +, whorled +, helical +  and subopposite +
connate-perfoliate;auriculate-clasping +
tapered +
Penstemon palmeri subsp. eglandulosus +
ovate;triangular +
not +  and leathery +
0.6 cm6 mm <br />0.006 m <br /> (0.75 cm7.5 mm <br />0.0075 m <br />) +
1.9mm;3.6mm +
short-tubular +  and short-campanulate +
1.1 cm11 mm <br />0.011 m <br /> (1.6 cm16 mm <br />0.016 m <br />) +
glandular-pubescent +
0.6 cm6 mm <br />0.006 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
connate-perfoliate +  and sessile +
2.5 cm25 mm <br />0.025 m <br /> (13 cm130 mm <br />0.13 m <br />) +
0.7 cm7 mm <br />0.007 m <br /> (4.5 cm45 mm <br />0.045 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
pale-pink +  and white or pinkish lavender +
white-lanate +  and glandular-pubescent +
cylindric-funnelform +, tubular-funnelform +  and ventricose +
ventricose-ampliate +
2.5 cm25 mm <br />0.025 m <br /> (3.8 cm38 mm <br />0.038 m <br />) +
2-5-flowered +
0.8 cm8 mm <br />0.008 m <br /> (1 cm10 mm <br />0.01 m <br />) +
scale-like +  and not needlelike +
Ariz. +, N.Mex. +  and Utah. +
drupe-like +
1500–2600 m. +
curved +  and straight +
glandular-puberulent +
1 +  and 4 +
Washes, roadsides, desert shrublands, pinyon-juniper woodlands, pine woodlands. +
0 cm0 mm <br />0 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
membranous +
terminal +  and axillary +
12 cm120 mm <br />0.12 m <br /> (14.5 cm145 mm <br />0.145 m <br />) +
5 cm50 mm <br />0.05 m <br /> (6 cm60 mm <br />0.06 m <br />) +
persistent +  and deciduous +
5.2 cm52 mm <br />0.052 m <br /> (12 cm120 mm <br />0.12 m <br />) +
cauline +, proximal +  and basal +
glaucous +  and glabrous +
leathery +
2.5 cm25 mm <br />0.025 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-pubescent +  and glabrous +
denticulate +, toothed +  and entire +
axile +  and parietal +
basal +, apical +  and superior +
tenuinucellate +, unitegmic +  and hemitropous +
campylotropous +, hemianatropous +  and anatropous +
ascending +  and erect +
ascending;erect +
5 +  and 4 +
Flowering Jun–Jul. +
divergent +  and opposite +
0.2 cm2 mm <br />0.002 m <br /> (0.22 cm2.2 mm <br />0.0022 m <br />) +
navicular-sigmoid +
0.16 cm1.6 mm <br />0.0016 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
0.8 cm8 mm <br />0.008 m <br /> (4 cm40 mm <br />0.04 m <br />) +
ovate +  and lanceolate +
0.4 cm4 mm <br />0.004 m <br /> (3.8 cm38 mm <br />0.038 m <br />) +
glandular-puberulent +
0.6 cm6 mm <br />0.006 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
minute +
brown +  and dark-brown or black +
rounded +  and angled +
0.1 cm1 mm <br />0.001 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
0.09 cm0.9 mm <br />9.0e-4 m <br /> (0.11 cm1.1 mm <br />0.0011 m <br />) +
2.5 cm25 mm <br />0.025 m <br /> (?) +  and 3 cm30 mm <br />0.03 m <br /> (?) +
subalternate +, alternate +, whorled +  and opposite +
climbing +  and scrambling +
sprawling +, creeping +  and prostrate +
ascending;erect +
43 cm430 mm <br />0.43 m <br /> (140 cm1,400 mm <br />1.4 m <br />) +
glandular-pubescent +  and glabrous +
1.9 cm19 mm <br />0.019 m <br /> (2.3 cm23 mm <br />0.023 m <br />) +
papillate +
denticulate +
Penstemon palmeri var. eglandulosus +
Penstemon palmeri +
variety +
1.2 cm12 mm <br />0.012 m <br /> (2.1 cm21 mm <br />0.021 m <br />) +
rounded +  and inflated +
constricted +
secund +, continuous +  and interrupted +
cylindric +
7 cm70 mm <br />0.07 m <br /> (63 cm630 mm <br />0.63 m <br />) +
straight +
0 cm0 mm <br />0 m <br /> (0.01 cm0.1 mm <br />1.0e-4 m <br />) +
gibbous +  and not spurred +
0.4 cm4 mm <br />0.004 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +