Penstemon inflatus

Crosswhite

Amer. Midl. Naturalist 74: 436, fig. 5. 1965.

Common names: Inflated beardtongue
Endemic
Treatment appears in FNA Volume 17. Treatment on page 209. Mentioned on page 184, 187, 210.

Herbs. Stems ascending to erect, (10–) 17–70 cm, ± retrorsely hairy proximally, also sparsely glandular-pubescent distally, not glaucous. Leaves basal and cauline, basal sometimes withering by anthesis, not leathery, glabrous (except for puberulent petioles and midveins); basal and proximal cauline (12–) 25–87 (–120) × (3–) 5–18 (–28) mm, blade lanceolate, base tapered, margins entire, apex obtuse to acute; cauline 4–6 pairs, short-petiolate or sessile, 17–98 × 2–16 mm, blade lanceolate to linear, base tapered to clasping, margins entire, apex acute. Thyrses interrupted, narrowly conic, (3–) 11–30 cm, axis sparsely glandular-pubescent, verticillasters 3–8, cymes 2–4-flowered, 2 per node; proximal bracts lanceolate to linear, 10–45 × 1–5 mm, margins entire; peduncles and pedicels ascending, sparsely glandular-pubescent. Flowers: calyx lobes lanceolate, 3–6 × 1.4–2 mm, glandular-pubescent; corolla lavender to light blue, with reddish purple nectar guides, funnelform, 17–27 mm, glandular-pubescent externally, sparsely white or yellowish lanate internally abaxially, tube 5–7 mm, throat gradually inflated, 6–7 mm diam., slightly 2-ridged abaxially; stamens included, pollen-sacs opposite, navicular, 1.3–1.6 mm, dehiscing completely, connective splitting, sides glabrous, sutures papillate; staminode 12–14 mm, included, 0.3–0.4 mm diam., tip recurved, distal 7–8 mm moderately to densely pilose, hairs yellow-orange, to 1 mm; style 11–14 mm. Capsules 8–10 × 3.2–4 mm, glabrous. 2n = 16.


Phenology: Flowering Jun–Aug(–Oct).
Habitat: Hillsides, meadows, pinyon-juniper woodlands, pine and pine-Douglas fir forests.
Elevation: 2000–3400 m.

Discussion

Penstemon inflatus is concentrated in the Sangre de Cristo Range of north-central New Mexico, extending southward into the Sandia-Manzano Mountains. The species has been documented in Bernalillo, Colfax, San Miguel, Santa Fe, Taos, and Torrance counties.

Selected References

None.

Lower Taxa

None.

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

... more about "Penstemon inflatus"
Acute (?) +  and Obtuse (?) +
Craig C. Freeman +
Crosswhite +
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 leathery +
not +  and leathery +
tapered;tapered +
lanceolate;linear +
? (?) +  and ? (?) +
0.3 cm3 mm <br />0.003 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
glandular-pubescent +
0.14 cm1.4 mm <br />0.0014 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
short-tubular +  and short-campanulate +
0.8 cm8 mm <br />0.008 m <br /> (1 cm10 mm <br />0.01 m <br />) +
0.32 cm3.2 mm <br />0.0032 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
sessile +  and short-petiolate +
1.7 cm17 mm <br />0.017 m <br /> (9.8 cm98 mm <br />0.098 m <br />) +
petiolate +  and sessile +
Inflated beardtongue +
personate +, not personate +, bilabiate +  and symmetric +
yellowish +, white +, lavender +  and light blue +
lanate +  and glandular-pubescent +
ampliate +
1.7 cm17 mm <br />0.017 m <br /> (2.7 cm27 mm <br />0.027 m <br />) +
2-4-flowered +
0.7 cm7 mm <br />0.007 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
scale-like +  and not needlelike +
drupe-like +
2000–3400 m. +
curved +  and straight +
1 +  and 4 +
Hillsides, meadows, pinyon-juniper woodlands, pine and pine-Douglas fir forests. +
yellow-orange +
0 cm0 mm <br />0 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
membranous +
terminal +  and axillary +
persistent +  and deciduous +
cauline +  and basal +
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 Jun–Aug(–Oct). +
navicular-sigmoid +
0.13 cm1.3 mm <br />0.0013 m <br /> (0.16 cm1.6 mm <br />0.0016 m <br />) +
1/5 +  and 2/3 +
1 cm10 mm <br />0.01 m <br /> (4.5 cm45 mm <br />0.045 m <br />) +
lanceolate +  and linear +
0.1 cm1 mm <br />0.001 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Amer. Midl. Naturalist +
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 +
0.03 cm0.3 mm <br />3.0e-4 m <br /> (0.04 cm0.4 mm <br />4.0e-4 m <br />) +
1.2 cm12 mm <br />0.012 m <br /> (?) +  and 1.4 cm14 mm <br />0.014 m <br /> (?) +
subalternate +, alternate +, whorled +  and opposite +
glutinous +
climbing +  and scrambling +
sprawling +, creeping +  and prostrate +
ascending;erect +
17 cm170 mm <br />0.17 m <br /> (70 cm700 mm <br />0.7 m <br />) +
1.1 cm11 mm <br />0.011 m <br /> (1.4 cm14 mm <br />0.014 m <br />) +
papillate +
denticulate +
Penstemon inflatus +
Penstemon sect. Penstemon +
species +
0.6 cm6 mm <br />0.006 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
2-ridged +  and inflated +
not constricted +
3 cm30 mm <br />0.03 m <br /> (11 cm110 mm <br />0.11 m <br />) +
11 cm110 mm <br />0.11 m <br /> (30 cm300 mm <br />0.3 m <br />) +
straight +
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 +