Penstemon purpusii

Brandegee

Bot. Gaz. 27: 455. 1899.

Common names: Snow Mountain beardtongue
Endemic
Treatment appears in FNA Volume 17. Treatment on page 241. Mentioned on page 231.

Herbs. Stems decumbent to ascending, 8–20 cm, retrorsely hairy to pilose, hairs pointed, not glaucous. Leaves basal and cauline, opposite, canescent to pilose, hairs pointed, not glaucous; basal and proximal cauline 8–30 × 3–12 mm, blade round to spatulate or ovate, base tapered, margins entire or shallowly dentate or serrate, apex rounded to obtuse; cauline 2–6 pairs, short-petiolate or sessile, 15–30 × 4–10 mm, blade obovate to spatulate or oblanceolate, base tapered, margins entire, apex obtuse to acute. Thyrses interrupted or continuous, cylindric, 2–8 (–15) cm, axis glandular-pubescent, verticillasters 2–6, cymes 1–3-flowered, 1 or 2 per node; proximal bracts lanceolate, (4–) 9–20 × (0.5–) 1.5–4 mm; peduncles and pedicels appressed, glandular-pubescent. Flowers: calyx lobes ovate to lanceolate, 5–9.5 × 1–2.2 mm, glandular-pubescent; corolla purple to violet, blue, or purple, with purple or violet nectar guides, funnelform, 25–31 mm, glandular-pubescent externally, glabrous internally, tube 8–10 mm, throat gradually inflated, 7–9 mm diam., 2-ridged abaxially; stamens: longer pair reaching orifice, filaments glabrous, pollen-sacs parallel, 2.4–2.6 mm, distal 1/4–1/3 indehiscent, sides hirsute, hairs white, to 0.7 mm, sutures denticulate, hairs to 0.1 mm; staminode 15–18 mm, included, 0.4–0.5 mm diam., glabrous; style 19–23 mm. Capsules 8–13 × 5–8 mm. 2n = 16.


Phenology: Flowering Jun–Aug.
Habitat: Rocky ridges, peaks, open slopes in pine and fir forests.
Elevation: 1500–2400 m.

Discussion

Penstemon purpusii is found in the North Coast and Klamath ranges. Populations have been documented in Colusa, Glenn, Humboldt, Lake, Mendocino, Shasta, Tehama, and Trinity counties.

Selected References

None.

Lower Taxa

None.

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

... more about "Penstemon purpusii"
Obtuse (?) +  and Acute (?) +
Craig C. Freeman +
Brandegee +
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;tapered +
obovate;spatulate or oblanceolate +
? (?) +  and ? (?) +
0.5 cm5 mm <br />0.005 m <br /> (0.95 cm9.5 mm <br />0.0095 m <br />) +
glandular-pubescent +
0.1 cm1 mm <br />0.001 m <br /> (0.22 cm2.2 mm <br />0.0022 m <br />) +
short-tubular +  and short-campanulate +
0.8 cm8 mm <br />0.008 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
sessile +  and short-petiolate +
1.5 cm15 mm <br />0.015 m <br /> (3 cm30 mm <br />0.03 m <br />) +
short-petiolate +, petiolate +  and sessile +
Snow Mountain beardtongue +
not personate +  and bilabiate +
blue +, purple +  and violet +
glabrous +  and glandular-pubescent +
ventricose-ampliate +  and ampliate +
2.5 cm25 mm <br />0.025 m <br /> (3.1 cm31 mm <br />0.031 m <br />) +
1-3-flowered +
2 +  and 1 +
scale-like +  and not needlelike +
drupe-like +
1500–2400 m. +
curved +  and straight +
1 +  and 4 +
Rocky ridges, peaks, open slopes in pine and fir forests. +
not glaucous +
pointed +
0 cm0 mm <br />0 m <br /> (0.01 cm0.1 mm <br />1.0e-4 m <br />) +
membranous +
terminal +  and axillary +
persistent +  and deciduous +
cauline +  and basal +
canescent +  and pilose +
orbiculate;linear;orbiculate;linear;truncate;oblanceolate;obovate;oblong;elliptic;round;lanceolate;ovate +
erose +  and entire +
entire +, serrate +  and dentate +
ciliolate +, pubescent +, puberulent +, scabrous +, glandular-pubescent +  and glabrous +
lacerate +, laciniate-pinnatifid +, toothed +  and entire +
violet +  and purple +
axile +  and parietal +
basal +, apical +  and superior +
tenuinucellate +, unitegmic +  and hemitropous +
campylotropous +, hemianatropous +  and anatropous +
spreading +  and ascending or erect +
glandular-pubescent +
glandular-pubescent +
5 +  and 4 +
Flowering Jun–Aug. +
navicular-sigmoid +
0.24 cm2.4 mm <br />0.0024 m <br /> (0.26 cm2.6 mm <br />0.0026 m <br />) +
1/4 +  and 1/3 +
0.4 cm4 mm <br />0.004 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
0.9 cm9 mm <br />0.009 m <br /> (2 cm20 mm <br />0.02 m <br />) +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
minute +
Brown (?) +, Gray (?) +  and Tan (?) +
patelliform +  and angled +
exserted +  and included +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
1.5 cm15 mm <br />0.015 m <br /> (?) +  and 1.8 cm18 mm <br />0.018 m <br /> (?) +
subalternate +, alternate +, whorled +  and opposite +
climbing +  and scrambling +
sprawling +, creeping +  and prostrate +
decumbent;ascending +
8 cm80 mm <br />0.08 m <br /> (20 cm200 mm <br />0.2 m <br />) +
1.9 cm19 mm <br />0.019 m <br /> (2.3 cm23 mm <br />0.023 m <br />) +
papillate +
denticulate +
Penstemon subg. Saccanthera +
Penstemon purpusii +
Penstemon sect. Saccanthera +
species +
0.7 cm7 mm <br />0.007 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
2-ridged +  and inflated +
not constricted +
continuous +  and interrupted +
8 cm80 mm <br />0.08 m <br /> (15 cm150 mm <br />0.15 m <br />) +
cylindric +
2 cm20 mm <br />0.02 m <br /> (8 cm80 mm <br />0.08 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 +
0.8 cm8 mm <br />0.008 m <br /> (1 cm10 mm <br />0.01 m <br />) +
cauline +  and proximal +