Penstemon heterodoxus var. cephalophorus

(Greene) N. H. Holmgren

Brittonia 44: 482. 1992.

Endemic
Basionym: Penstemon cephalophorus Greene Leafl. Bot. Observ. Crit. 1: 79. 1904
Synonyms: P. heterodoxus subsp. cephalophorus (Greene) D. D. Keck
Treatment appears in FNA Volume 17. Treatment on page 207.

Stems 15–35 cm. Leaves: basal and proximal cauline (17–) 20–75 × 6–18 mm. Thyrses: axis moderately to densely glandular-pubescent, verticillasters 2–6.2n = 16.


Phenology: Flowering Jul–Aug(–Sep).
Habitat: Subalpine and alpine meadows.
Elevation: 2100–3300 m.

Discussion

Variety cephalophorus occurs at the southern end of the range of Penstemon heterodoxus; it has been documented in Alpine, Fresno, Inyo, Kern, Madera, Mono, and Tulare counties.

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 +
(Greene) N. H. Holmgren +
glandular-pubescent +
alternate +, subopposite +, whorled +  and opposite +
glaucescent +
alternate +, opposite +, whorled +, helical +  and subopposite +
cauline +, proximal +  and basal +
rarely +, not glaucous +, glabrate +, pubescent +, hairy +, glandular-lanate +, glandular-pubescent +, puberulent +, glandular +  and glabrous +
not +  and leathery +
tapered;tapered +
Penstemon cephalophorus +
oblong;oblanceolate or lanceolate +
not +  and leathery +
glandular-pubescent +
oblong;lanceolate +
0.7mm;1.2mm +
short-tubular +  and short-campanulate +
0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
sessile +  and short-petiolate +
6 cm60 mm <br />0.06 m <br /> (7 cm70 mm <br />0.07 m <br />) +
1 cm10 mm <br />0.01 m <br /> (6 cm60 mm <br />0.06 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (1.4 cm14 mm <br />0.014 m <br />) +
petiolate +  and sessile +
personate +, not personate +, bilabiate +  and symmetric +
lavender +  and blue violet or purple +
moderately yellow-pilose +  and yellow-lanate +
tubular-funnelform +
ampliate +
1 cm10 mm <br />0.01 m <br /> (1.6 cm16 mm <br />0.016 m <br />) +
2-6-flowered +
scale-like +  and not needlelike +
drupe-like +
2100–3300 m. +
curved +  and straight +
1 +  and 4 +
Subalpine and alpine meadows. +
0 cm0 mm <br />0 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
membranous +
terminal +  and axillary +
1.7 cm17 mm <br />0.017 m <br /> (2 cm20 mm <br />0.02 m <br />) +
persistent +  and deciduous +
2 cm20 mm <br />0.02 m <br /> (7.5 cm75 mm <br />0.075 m <br />) +
cauline +, proximal +  and basal +
not leathery +
0.6 cm6 mm <br />0.006 m <br /> (1.8 cm18 mm <br />0.018 m <br />) +
orbiculate;linear;orbiculate;linear;truncate;oblanceolate;obovate;oblong;elliptic;round;lanceolate;ovate +
glutinous +
glandular-ciliolate +, hairy +, puberulent +, glabrescent +, glabrous +  and glandular-pubescent +
lacerate +, toothed +  and entire +
axile +  and parietal +
basal +, apical +  and superior +
tenuinucellate +, unitegmic +  and hemitropous +
campylotropous +, hemianatropous +  and anatropous +
glandular-pubescent +
glandular-pubescent +
5 +  and 4 +
Flowering Jul–Aug(–Sep). +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
navicular-sigmoid +
0.06 cm0.6 mm <br />6.0e-4 m <br /> (0.08 cm0.8 mm <br />8.0e-4 m <br />) +
1/5 +  and 2/3 +
0.4 cm4 mm <br />0.004 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
minute +
0.2 cm2 mm <br />0.002 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
black +, gray +, brown +  and tan +
angled +  and slightly rounded +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
0.03 cm0.3 mm <br />3.0e-4 m <br /> (0.06 cm0.6 mm <br />6.0e-4 m <br />) +
0.6 cm6 mm <br />0.006 m <br /> (?) +  and 0.9 cm9 mm <br />0.009 m <br /> (?) +
subalternate +, alternate +, whorled +  and opposite +
glutinous +
climbing +  and scrambling +
sprawling +, creeping +  and prostrate +
erect;ascending;erect;ascending;decumbent +
not glaucous +, glandular-pubescent +, hairy +  and glabrous +
15 cm150 mm <br />0.15 m <br /> (35 cm350 mm <br />0.35 m <br />) +
0.9 cm9 mm <br />0.009 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
papillate +
denticulate +
P. heterodoxus subsp. cephalophorus +
Penstemon heterodoxus var. cephalophorus +
Penstemon heterodoxus +
variety +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
2-ridged +  and inflated +
not constricted +
cylindric +
1 cm10 mm <br />0.01 m <br /> (12 cm120 mm <br />0.12 m <br />) +
straight +
pilose +  and glabrous +
0.1 cm1 mm <br />0.001 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
gibbous +  and not spurred +
0.5 cm5 mm <br />0.005 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
cauline +  and proximal +