Penstemon fruticiformis var. amargosae

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

Brittonia 44: 481. 1992.

Endemic
Basionym: Penstemon fruticiformis subsp. amargosae D. D. Keck Amer. Midl. Naturalist 18: 801. 1937
Treatment appears in FNA Volume 17. Treatment on page 251. Mentioned on page 250.

Flowers: calyx lobes ovate, 4.5–6.5 × 2.5–4 mm; corolla 22–24 mm, ± glandular-pubescent externally.


Phenology: Flowering Apr–Jun.
Habitat: Creosote shrublands.
Elevation: 900–1900 m.

Distribution

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Calif., Nev.

Discussion

Variety amargosae is known from Inyo and San Bernardino counties, California, and Nye County, Nevada. The glandular hairs of the corollas can be sparse; they usually are easy to see on flower buds.

Selected References

None.

Lower Taxa

None.

"/4+timescorollathroat" is not declared as a valid unit of measurement for this property."-1.5timescalyxlobes" is not declared as a valid unit of measurement for this property.

obtuse +  and acute +
Craig C. Freeman +
- D. D. Keck N. H. Holmgren +
alternate +, opposite +, whorled +, helical +  and subopposite +
tapered;truncate +
Penstemon fruticiformis subsp. amargosae +
oblanceolate;lanceolate;linear +
not +  and leathery +
4.5mm;6.5mm +
short-tubular +  and short-campanulate +
0.9 cm9 mm <br />0.009 m <br /> - 1.3 cm13 mm <br />0.013 m <br /> +
0.5 cm5 mm <br />0.005 m <br /> - 0.7 cm7 mm <br />0.007 m <br /> +
short-petiolate +  and sessile +
1.2 cm12 mm <br />0.012 m <br /> - 2.5 cm25 mm <br />0.025 m <br /> +
2.5 cm25 mm <br />0.025 m <br /> - 6.5 cm65 mm <br />0.065 m <br /> +
0.2 cm2 mm <br />0.002 m <br /> - 0.8 cm8 mm <br />0.008 m <br /> +
light pink +, lavender +  and bluish lavender +
glandular-pubescent +
cylindric-funnelform +, tubular-funnelform +  and ventricose +
ventricose-ampliate +
2.2 cm22 mm <br />0.022 m <br /> - 2.4 cm24 mm <br />0.024 m <br /> +
1-3-flowered +
moderately pilose +  and lanate +
0.8 cm8 mm <br />0.008 m <br /> - 0.9 cm9 mm <br />0.009 m <br /> +
scale-like +  and not needlelike +
Calif. +  and Nev. +
drupe-like +
900–1900 m. +
curved +  and straight +
glandular-puberulent +
1 +  and 4 +
Creosote shrublands. +
0 cm0 mm <br />0 m <br /> - 0.25 cm2.5 mm <br />0.0025 m <br /> +
membranous +
terminal +  and axillary +
persistent +  and deciduous +
cauline +, proximal +  and basal +
glaucous +  and glabrous +
leathery +
orbiculate;linear;orbiculate;linear;truncate;oblanceolate;obovate;oblong;elliptic;round;lanceolate;ovate +
erose +  and entire +
serrulate +  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 +
spreading +  and ascending +
spreading;ascending +
5 +  and 4 +
Flowering Apr–Jun. +
divergent +  and opposite +
navicular-sigmoid +
0.16 cm1.6 mm <br />0.0016 m <br /> - 0.22 cm2.2 mm <br />0.0022 m <br /> +
denticulate +  and navicular +
0.9 cm9 mm <br />0.009 m <br /> - 2.8 cm28 mm <br />0.028 m <br /> +
lanceolate +  and linear +
0.2 cm2 mm <br />0.002 m <br /> - 0.5 cm5 mm <br />0.005 m <br /> +
glandular-pubescent +
0.5 cm5 mm <br />0.005 m <br /> - 0.6 cm6 mm <br />0.006 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 /> +
0.06 cm0.6 mm <br />6.0e-4 m <br /> - 0.08 cm0.8 mm <br />8.0e-4 m <br /> +
1.5 cm15 mm <br />0.015 m <br /> - ? +  and 1.9 cm19 mm <br />0.019 m <br /> - ? +
subalternate +, alternate +, whorled +  and opposite +
climbing +  and scrambling +
sprawling +, creeping +  and prostrate +
ascending;erect +
30 cm300 mm <br />0.3 m <br /> - 60 cm600 mm <br />0.6 m <br /> +
1.9 cm19 mm <br />0.019 m <br /> - 2.4 cm24 mm <br />0.024 m <br /> +
papillate +
denticulate +
Penstemon fruticiformis var. amargosae +
Penstemon fruticiformis +
variety +
0.8 cm8 mm <br />0.008 m <br /> - 1.4 cm14 mm <br />0.014 m <br /> +
2-ridged +  and inflated +
constricted +
cylindric +
8 cm80 mm <br />0.08 m <br /> - 30 cm300 mm <br />0.3 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 +
0.6 cm6 mm <br />0.006 m <br /> - 0.8 cm8 mm <br />0.008 m <br /> +
subshrub +  and shrub +