Penstemon moriahensis

N. H. Holmgren

Brittonia 30: 422, fig. 4. 1978.

Common names: Mt. Moriah beardtongue
EndemicConservation concern
Treatment appears in FNA Volume 17. Treatment on page 173. Mentioned on page 159, 160.
Revision as of 18:12, 29 July 2020 by imported>Volume Importer
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

Stems ascending to erect, 18–50 cm, glabrous, not glaucous. Leaves basal and cauline, or basal sometimes reduced, not leathery, glabrous, not glaucous; basal and proximal cauline 35–80 (–120) × 4–13 mm, blade oblanceolate, base tapered, margins entire, apex rounded to obtuse, or acute; cauline 3–5 pairs, sessile or proximals sometimes short-petiolate, 20–110 × 5–18 mm, blade oblanceolate to lanceolate, rarely linear, base tapered to clasping, apex obtuse to acute. Thyrses interrupted or continuous, secund, 4–17 cm, axis glabrous or ± glandular distally, verticillasters 4–11, cymes 2-flowered or 3 (–5) -flowered, 2 per node; proximal bracts lanceolate, 10–50 × 4–16 mm; peduncles and pedicels glandular to glandular-pubescent, peduncles to 7 mm, pedicels 2–11 mm. Flowers: calyx lobes ovate to lanceolate, 5–7.5 × 2–4 mm, margins erose, glandular to glandular-pubescent; corolla blue to violet, without nectar guides, ventricose, 27–33 mm, glabrous externally, glabrous internally, tube 9–11 mm, throat gradually to abruptly inflated, not constricted at orifice, 8–12 mm diam., 2-ridged abaxially; stamens: longer pair reaching orifice, pollen-sacs divergent, navicular, 2–2.8 mm, dehiscing incompletely, proximal 1/5 indehiscent, connective not splitting, sides villous, hairs white, to 1 mm, sutures denticulate, teeth to 0.1 mm; staminode 16–18 mm, included, 0.6–0.8 mm diam., tip straight, distal 1–6 mm sparsely lanate, hairs yellowish, to 0.8 mm; style 17–21 mm. Capsules 7–9 × 4.5–5.5 mm.


Phenology: Flowering Jun–Jul.
Habitat: Gravelly or silty soils, subalpine sagebrush shrublands, mountain mahogany, pinyon-juniper, and pine woods.
Elevation: 2200–3300 m.

Discussion

Penstemon moriahensis is found in the northern Snake Range near Mount Moriah, White Pine County.

Selected References

None.

Lower Taxa

None.

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

... more about "Penstemon moriahensis"
obtuse +  and acute +
Craig C. Freeman +
N. H. Holmgren +
alternate +, opposite +, whorled +, helical +  and subopposite +
tapered;tapered +
Penstemon +
oblanceolate;lanceolate +
not +  and leathery +
ovate;lanceolate +
short-tubular +  and short-campanulate +
0.7 cm7 mm <br />0.007 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
0.45 cm4.5 mm <br />0.0045 m <br /> (0.55 cm5.5 mm <br />0.0055 m <br />) +
Mt. Moriah beardtongue +
not personate +, weakly bilabiate +  and strongly bilabiate +
blue +  and violet +
ventricose +
ventricose-ampliate +
2.7 cm27 mm <br />0.027 m <br /> (3.3 cm33 mm <br />0.033 m <br />) +
3(-5)-flowered +  and 2-flowered +
scale-like +  and not needlelike +
drupe-like +
2200–3300 m. +
curved +  and straight +
1 +  and 4 +
Gravelly or silty soils, subalpine sagebrush shrublands, mountain mahogany, pinyon-juniper, and pine woods. +
yellowish +  and white +
0 cm0 mm <br />0 m <br /> (0.08 cm0.8 mm <br />8.0e-4 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 +  and glandular-pubescent +
lacerate +
axile +  and parietal +
basal +, apical +  and superior +
tenuinucellate +, unitegmic +  and hemitropous +
campylotropous +, hemianatropous +  and anatropous +
0 cm0 mm <br />0 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
spreading +, erect +  and ascending +
glandular +  and glandular-pubescent +
0.2 cm2 mm <br />0.002 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
spreading;erect;ascending +
glandular +  and glandular-pubescent +
0 cm0 mm <br />0 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
5 +  and 4 +
Flowering Jun–Jul. +
sigmoid +  and navicular-sigmoid +
indehiscent +  and dehiscing +
0.2 cm2 mm <br />0.002 m <br /> (0.28 cm2.8 mm <br />0.0028 m <br />) +
short-petiolate +
1 cm10 mm <br />0.01 m <br /> (5 cm50 mm <br />0.05 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (1.6 cm16 mm <br />0.016 m <br />) +
2 cm20 mm <br />0.02 m <br /> (11 cm110 mm <br />0.11 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (1.8 cm18 mm <br />0.018 m <br />) +
minute +
tan +  and brown or dark-brown +
angled +  and angled-elongate +
0.09 cm0.9 mm <br />9.0e-4 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
papillate +
Endemic +  and Conservation concern +
exserted +  and included +
0.06 cm0.6 mm <br />6.0e-4 m <br /> (0.08 cm0.8 mm <br />8.0e-4 m <br />) +
1.6 cm16 mm <br />0.016 m <br /> (?) +  and 1.8 cm18 mm <br />0.018 m <br /> (?) +
short-petiolate +  and petiolate +
glutinous +
climbing +  and scrambling +
sprawling +, creeping +  and prostrate +
ascending;erect +
not glaucous +  and glabrous +
reduced +
18 cm180 mm <br />0.18 m <br /> (50 cm500 mm <br />0.5 m <br />) +
not leathery +
1.7 cm17 mm <br />0.017 m <br /> (2.1 cm21 mm <br />0.021 m <br />) +
papillate +
denticulate +
Penstemon subg. Habroanthus +
Penstemon moriahensis +
Penstemon sect. Glabri +
species +
0.8 cm8 mm <br />0.008 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
2-ridged +  and inflated +
not constricted +
secund +, continuous +  and interrupted +
cylindric +
4 cm40 mm <br />0.04 m <br /> (17 cm170 mm <br />0.17 m <br />) +
straight +
0.1 cm1 mm <br />0.001 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
smooth +  and papillate +
0 cm0 mm <br />0 m <br /> (0.01 cm0.1 mm <br />1.0e-4 m <br />) +
gibbous +  and not spurred +
0.9 cm9 mm <br />0.009 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
petiolate +  and sessile +
cauline +  and proximal +