Penstemon laetus var. laetus

Endemic
Treatment appears in FNA Volume 17. Treatment on page 237.

Flowers: calyx lobes ovate to lanceolate, 4–8.5 × (1–) 2–2.8 mm; anthers ovate to elliptic in outline, pollen-sacs 1.8–2.3 mm. 2n = 16.


Phenology: Flowering (Mar–)Apr–Jul.
Habitat: Oak and pine-oak woodlands, pine forests.
Elevation: 400–2500 m.

Discussion

Variety laetus occurs from the southern Cascade Range of northern California through the Sierra Nevada to the Western Transverse Ranges of southwestern California. As discussed by D. D. Keck (1932), corolla lengths and leaf sizes usually are larger among plants in the southern part of the range as compared to plants in the north.

Selected References

None.

Lower Taxa

None.

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

ovate;elliptic +
Craig C. Freeman +
A. Gray +
glandular-pubescent +
subalternate +, whorled +, alternate +  and opposite +
alternate +, opposite +, whorled +, helical +  and subopposite +
cauline +, proximal +  and basal +
not +, glaucous +, glandular-pubescent +, hirsute +, pilose +, canescent +, hairy +, puberulent +, glabrate +  and glabrous +
tapered to truncate +
oblanceolate;lanceolate or linear +
not +  and leathery +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
glandular-pubescent +
ovate;lanceolate +
short-tubular +  and short-campanulate +
0.7 cm7 mm <br />0.007 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
not personate +  and bilabiate +
violet +  and blue or purple +
glabrous +  and glandular-pubescent +
2-ridged +  and inflated +
ampliate +
0.8 cm8 mm <br />0.008 m <br /> (1 cm10 mm <br />0.01 m <br />) +
1-5-flowered +
scale-like +  and not needlelike +
drupe-like +
400–2500 m. +
curved +  and straight +
1 +  and 4 +
Oak and pine-oak woodlands, pine forests. +
0 cm0 mm <br />0 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
not glaucous +  and glabrate +
pointed +
0 cm0 mm <br />0 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
membranous +
terminal +  and axillary +
persistent +  and deciduous +
hairy +  and puberulent +
orbiculate;linear;orbiculate;linear;truncate;oblanceolate;obovate;oblong;elliptic;round;lanceolate;ovate +
erose +  and entire +
ciliolate +, pubescent +, puberulent +, scabrous +, glandular-pubescent +  and glabrous +
lacerate +, laciniate-pinnatifid +, toothed +  and entire +
axile +  and parietal +
basal +, apical +  and superior +
tenuinucellate +, unitegmic +  and hemitropous +
campylotropous +, hemianatropous +  and anatropous +
spreading +  and ascending +
glandular-pubescent +
spreading;ascending +
glandular-pubescent +
5 +  and 4 +
Flowering (Mar–)Apr–Jul. +
navicular-sigmoid +
0.18 cm1.8 mm <br />0.0018 m <br /> (0.23 cm2.3 mm <br />0.0023 m <br />) +
1/5 +  and 1/3 +
short-petiolate +
8.5 cm85 mm <br />0.085 m <br /> (11 cm110 mm <br />0.11 m <br />) +
0.9 cm9 mm <br />0.009 m <br /> (4 cm40 mm <br />0.04 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (1 cm10 mm <br />0.01 m <br />) +
1.3 cm13 mm <br />0.013 m <br /> (8.5 cm85 mm <br />0.085 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (2.2 cm22 mm <br />0.022 m <br />) +
Proc. Boston Soc. Nat. Hist. +
minute +
brown +, gray +  and tan +
patelliform +  and angled +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.34 cm3.4 mm <br />0.0034 m <br />) +
pubescent +  and lanate +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.06 cm0.6 mm <br />6.0e-4 m <br />) +
included +  and exserted +
1.7 cm17 mm <br />0.017 m <br /> (?) +  and 1.9 cm19 mm <br />0.019 m <br /> (?) +
subalternate +, alternate +, whorled +  and opposite +
climbing +  and scrambling +
sprawling +, creeping +  and prostrate +
decumbent;ascending or erect +
15 cm150 mm <br />0.15 m <br /> (90 cm900 mm <br />0.9 m <br />) +
1.6 cm16 mm <br />0.016 m <br /> (2.2 cm22 mm <br />0.022 m <br />) +
papillate +
denticulate +
Penstemon subg. Saccanthera +
Penstemon laetus var. laetus +
Penstemon laetus +
variety +
rounded +  and 2-ridged +
not constricted +
30 cm300 mm <br />0.3 m <br /> (43 cm430 mm <br />0.43 m <br />) +
cylindric +
10 cm100 mm <br />0.1 m <br /> (30 cm300 mm <br />0.3 m <br />) +
straight +
0 cm0 mm <br />0 m <br /> (0.03 cm0.3 mm <br />3.0e-4 m <br />) +
gibbous +  and not spurred +
subshrub +  and herb +