Penstemon floribundus

Danley

Brittonia 37: 321, figs. 1, 2. 1985.

Common names: Cordelia beardtongue
EndemicConservation concern
Treatment appears in FNA Volume 17. Treatment on page 233. Mentioned on page 230.

Herbs. Stems ascending to erect, (5–) 8–23 cm, glabrous, not glaucous. Leaves cauline, opposite, glabrous abaxially, glabrate or retrorsely hairy adaxially, hairs appressed, white, scalelike, not glaucous; cauline 2–6 pairs, sessile or proximals short-petiolate, 13–70 × (3–) 7–17 mm, blade elliptic to lanceolate, base tapered, margins entire, apex obtuse to acute. Thyrses continuous, cylindric, (1–) 2–12 cm, axis glabrous, verticillasters (2 or) 3–7, cymes 3–5-flowered, 2 per node; proximal bracts lanceolate, 14–45 × 2–12 mm; peduncles and pedicels ascending to erect, glabrous or pedicels ± puberulent, hairs appressed, white, scalelike. Flowers: calyx lobes ovate, (4–) 5–6.3 × 1.5–2.6 mm, glabrous or ± scabrous proximally; corolla violet to light blue, without nectar guides, abaxial ridges usually white, ventricose, 24–32 mm, glabrous externally, glabrous internally, tube 7–10 mm, throat gradually inflated, 8–13 mm diam., 2-ridged abaxially; stamens: longer pair reaching orifice or exserted, filaments glabrous, pollen-sacs parallel, 2.4–2.8 mm, distal 1/2–2/3 indehiscent, sides glabrous, sutures denticulate, teeth to 0.1 mm; staminode 15–18 mm, included, 0.4–0.7 mm diam., glabrous; style 18–27 mm. Capsules 7–9 × 5–6 mm.


Phenology: Flowering May–Jun.
Habitat: Rocky alluvium, talus slopes, desert scrub, juniper woodlands.
Elevation: 1300–2300 m.

Discussion

Penstemon floribundus is known only from the Jackson Mountains in Humboldt County.

Selected References

None.

Lower Taxa

None.

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

... more about "Penstemon floribundus"
2.4 cm24 mm <br />0.024 m <br /> (3.2 cm32 mm <br />0.032 m <br />) +
Obtuse (?) +  and Acute (?) +
Craig C. Freeman +
Danley +
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 +
elliptic;lanceolate +
not +  and leathery +
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (0.63 cm6.3 mm <br />0.0063 m <br />) +
scabrous +  and glabrous +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.26 cm2.6 mm <br />0.0026 m <br />) +
short-tubular +  and short-campanulate +
0.7 cm7 mm <br />0.007 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
Cordelia beardtongue +
not personate +  and bilabiate +
violet +  and light blue +
hairy +, glabrous +, , +  and glandular-pubescent +
ventricose-ampliate +  and ampliate +
3-5-flowered +
scale-like +  and not needlelike +
drupe-like +
1300–2300 m. +
curved +  and straight +
1 +  and 4 +
Rocky alluvium, talus slopes, desert scrub, juniper woodlands. +
not glaucous +
scale-like +
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 +, glabrate +  and glabrous +
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 +
ascending +  and erect +
puberulent +  and glabrous +
5 +  and 4 +
Flowering May–Jun. +
navicular-sigmoid +
0.24 cm2.4 mm <br />0.0024 m <br /> (0.28 cm2.8 mm <br />0.0028 m <br />) +
1/2 +  and 2/3 +
short-petiolate +
0.3 cm3 mm <br />0.003 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
1.4 cm14 mm <br />0.014 m <br /> (4.5 cm45 mm <br />0.045 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
1.3 cm13 mm <br />0.013 m <br /> (7 cm70 mm <br />0.07 m <br />) +
0.7 cm7 mm <br />0.007 m <br /> (1.7 cm17 mm <br />0.017 m <br />) +
minute +
Brown (?) +, Gray (?) +  and Tan (?) +
patelliform +  and angled +
Endemic +  and Conservation concern +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.07 cm0.7 mm <br />7.0e-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 +
ascending;erect +
8 cm80 mm <br />0.08 m <br /> (23 cm230 mm <br />0.23 m <br />) +
1.8 cm18 mm <br />0.018 m <br /> (2.7 cm27 mm <br />0.027 m <br />) +
papillate +
denticulate +
Penstemon subg. Saccanthera +
Penstemon floribundus +
Penstemon sect. Saccanthera +
species +
0.8 cm8 mm <br />0.008 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
2-ridged +  and inflated +
not constricted +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
cylindric +
2 cm20 mm <br />0.02 m <br /> (12 cm120 mm <br />0.12 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 +
0.7 cm7 mm <br />0.007 m <br /> (1 cm10 mm <br />0.01 m <br />) +