Penstemon cardinalis var. regalis

(A. Nelson) C. C. Freeman

PhytoKeys 80: 34. 2017.

EndemicConservation concern
Basionym: Penstemon regalis A. Nelson Amer. J. Bot. 21: 578. 1934
Synonyms: P. cardinalis subsp. regalis (A. Nelson) G. T. Nisbet & R. C. Jackson
Treatment appears in FNA Volume 17. Treatment on page 148.

Leaves leathery, cauline blade ovate to subcordate, sometimes elliptic. Thyrses: proximal bracts suborbiculate to ovate. Flowers: calyx lobes 4–6 × 2.3–3 mm.


Phenology: Flowering May–Jun(–Aug).
Habitat: Rocky canyons, pine woodlands.
Elevation: 1400–2500 m.

Discussion

Variety regalis is known from the Guadalupe Mountains in New Mexico (Eddy County) and the Davis, Guadalupe, and Sierra Diablo mountains in western Texas (Culberson and Jeff Davis counties).

Selected References

None.

Lower Taxa

None.

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

spreading +  and reflexed +
projecting +  and erect +
rounded +  and acute or mucronate +
Craig C. Freeman +
(A. Nelson) C. C. Freeman +
alternate +, opposite +, whorled +, helical +  and subopposite +
truncate;broadly cordate-clasping +
tapered +
Penstemon regalis +
spatulate;elliptic ovate or subcordate +
not +  and leathery +
short-tubular +  and short-campanulate +
1 cm10 mm <br />0.01 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
1.1 cm11 mm <br />0.011 m <br /> (2 cm20 mm <br />0.02 m <br />) +
2 cm20 mm <br />0.02 m <br /> (13.5 cm135 mm <br />0.135 m <br />) +
ovate;subcordate +
0.9 cm9 mm <br />0.009 m <br /> (5 cm50 mm <br />0.05 m <br />) +
short-petiolate +  and sessile +
red +  and crimson +
yellow-villous +
ventricose-ampliate +  and ampliate +
2.2 cm22 mm <br />0.022 m <br /> (3 cm30 mm <br />0.03 m <br />) +
2-4(-8)-flowered +
0.1 cm1 mm <br />0.001 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
scale-like +  and not needlelike +
N.Mex. +  and Tex. +
drupe-like +
1400–2500 m. +
curved +  and straight +
1 +  and 4 +
Rocky canyons, pine woodlands. +
0 cm0 mm <br />0 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
membranous +
terminal +  and axillary +
persistent +  and deciduous +
not glaucous +  and glabrous +
leathery +
orbiculate;linear;orbiculate;linear;truncate;oblanceolate;obovate;oblong;elliptic;round;lanceolate;ovate +
erose +  and entire +
toothed +  and entire +
axile +  and parietal +
basal +, apical +  and superior +
tenuinucellate +, unitegmic +  and hemitropous +
campylotropous +, hemianatropous +  and anatropous +
0 cm0 mm <br />0 m <br /> (0.01 cm0.1 mm <br />1.0e-4 m <br />) +
5 +  and 4 +
Flowering May–Jun(–Aug). +
navicular-sigmoid +
indehiscent +  and dehiscing +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.19 cm1.9 mm <br />0.0019 m <br />) +
1/4 +  and 1/2 +
0.4 cm4 mm <br />0.004 m <br /> (1.6 cm16 mm <br />0.016 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
1.6 cm16 mm <br />0.016 m <br /> (6 cm60 mm <br />0.06 m <br />) +
suborbiculate +  and ovate +
0.5 cm5 mm <br />0.005 m <br /> (4.5 cm45 mm <br />0.045 m <br />) +
minute +
brown +  and dark-brown +
0.14 cm1.4 mm <br />0.0014 m <br /> (0.42 cm4.2 mm <br />0.0042 m <br />) +
Endemic +  and Conservation concern +
0.03 cm0.3 mm <br />3.0e-4 m <br /> (0.09 cm0.9 mm <br />9.0e-4 m <br />) +
exserted +  and included +
1.5 cm15 mm <br />0.015 m <br /> (?) +  and 1.7 cm17 mm <br />0.017 m <br /> (?) +
subalternate +, alternate +, whorled +  and opposite +
climbing +  and scrambling +
sprawling +, creeping +  and prostrate +
ascending;erect +
glaucous +  and glabrous +
32 cm320 mm <br />0.32 m <br /> (100 cm1,000 mm <br />1 m <br />) +
1.8 cm18 mm <br />0.018 m <br /> (2.8 cm28 mm <br />0.028 m <br />) +
papillate +
denticulate +
P. cardinalis subsp. regalis +
Penstemon cardinalis var. regalis +
Penstemon cardinalis +
variety +
0.6 cm6 mm <br />0.006 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
constricted +
3 cm30 mm <br />0.03 m <br /> (6 cm60 mm <br />0.06 m <br />) +
cylindric +
6 cm60 mm <br />0.06 m <br /> (44 cm440 mm <br />0.44 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 />) +
cauline +  and proximal +