Penstemon triflorus var. triflorus

IllustratedEndemic
Synonyms: Penstemon helleri Small
Treatment appears in FNA Volume 17. Treatment on page 143. Mentioned on page 139.
Revision as of 18:10, 29 July 2020 by imported>Volume Importer
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Cauline leaves: blade ovate to lanceolate, margins sharply serrate. Flowers: calyx lobes 8–13 × 3–4.8 mm; corolla 30–35 mm.


Phenology: Flowering Mar–Jun(–Jul).
Habitat: Limestone prairies and bluffs.
Elevation: 200–600 m.

Discussion

Variety triflorus has been documented in Bandera, Bexar, Brown, Burnet, Coleman, Gillespie, Hays, Kendall, Kerr, Real, Runnels, Schleicher, Sutton, and Uvalde counties. Plants with white or pale pink corollas, relatively short peduncles and pedicels, more continuous inflorescences, and broader leaf bases have been called Penstemon helleri.

Selected References

None.

Lower Taxa

None.

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

acute +  and obtuse +
Craig C. Freeman +
A. Heller +
glandular-pubescent +
alternate +, opposite +, whorled +, helical +  and subopposite +
hairy +  and glabrous +
tapered;cordate +
Penstemon +
ovate;lanceolate +
not +  and leathery +
glandular-pubescent +
ovate;lanceolate +
short-tubular +  and short-campanulate +
0.7 cm7 mm <br />0.007 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
1.1 cm11 mm <br />0.011 m <br /> (1.4 cm14 mm <br />0.014 m <br />) +
glandular-pubescent +  and glabrous +
0.5 cm5 mm <br />0.005 m <br /> (0.85 cm8.5 mm <br />0.0085 m <br />) +
9.5 cm95 mm <br />0.095 m <br /> (11.5 cm115 mm <br />0.115 m <br />) +
3 cm30 mm <br />0.03 m <br /> (9.5 cm95 mm <br />0.095 m <br />) +
0.7 cm7 mm <br />0.007 m <br /> (3 cm30 mm <br />0.03 m <br />) +
not personate +, rarely nearly radially symmetric +  and weakly strongly bilabiate +
pink +  and pinkish red or reddish violet +
glandular-pubescent +
ventricose +
ampliate +
3 cm30 mm <br />0.03 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
2-4(-6)-flowered +
scale-like +  and not needlelike +
drupe-like +
200–600 m. +
curved +  and straight +
1 +  and 4 +
Limestone prairies and bluffs. +
0 cm0 mm <br />0 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
membranous +
terminal +  and axillary +
short-petiolate +, sessile +  and petiolate +
whorled +  and opposite +
persistent +  and deciduous +
, +, cauline +  and basal +
not glaucous +, glandular-villous +, villous +, pubescent +, glandular-pubescent +, hairy +, scabrous +, glabrate +  and glabrous +
not +  and leathery +
orbiculate;linear;orbiculate;linear;truncate;oblanceolate;obovate;oblong;elliptic;round;lanceolate;ovate +
glabrous +, puberulent +, hairy +, scabrous +, glandular-villous +  and glandular-pubescent +
toothed +  and entire +
scarious +  and herbaceous +
crimson +  and red +
axile +  and parietal +
basal +, apical +  and superior +
tenuinucellate +, unitegmic +  and hemitropous +
campylotropous +, hemianatropous +  and anatropous +
ascending +  and erect +
glandular-pubescent +
ascending;erect +
glandular-pubescent +
5 +  and 4 +
Flowering Mar–Jun(–Jul). +
navicular-sigmoid +
0.09 cm0.9 mm <br />9.0e-4 m <br /> (0.12 cm1.2 mm <br />0.0012 m <br />) +
1/5 +  and 1/2 +
1.4 cm14 mm <br />0.014 m <br /> (5 cm50 mm <br />0.05 m <br />) +
ovate +  and lanceolate +
0.6 cm6 mm <br />0.006 m <br /> (1.7 cm17 mm <br />0.017 m <br />) +
Contr. Herb. Franklin Marshall Coll. +
minute +
black +, dark-brown +  and brown +
angled +  and reniform or slightly rounded +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.48 cm4.8 mm <br />0.0048 m <br />) +
Illustrated +  and Endemic +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.06 cm0.6 mm <br />6.0e-4 m <br />) +
reaching orifice +  and included +
1.7 cm17 mm <br />0.017 m <br /> (?) +  and 2 cm20 mm <br />0.02 m <br /> (?) +
subalternate +, alternate +, whorled +  and opposite +
climbing +  and scrambling +
sprawling +, creeping +  and prostrate +
30 cm300 mm <br />0.3 m <br /> (65 cm650 mm <br />0.65 m <br />) +
glandular-pubescent +  and glabrous +
1.8 cm18 mm <br />0.018 m <br /> (2.4 cm24 mm <br />0.024 m <br />) +
papillate +  and smooth +
denticulate +
Penstemon helleri +
Penstemon triflorus var. triflorus +
Penstemon triflorus +
variety +
1 cm10 mm <br />0.01 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
rounded +  and inflated +
not constricted +
cylindric +
5 cm50 mm <br />0.05 m <br /> (20 cm200 mm <br />0.2 m <br />) +
straight +
0.8 cm8 mm <br />0.008 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
gibbous +  and not spurred +
0.8 cm8 mm <br />0.008 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
cauline +  and proximal +
acaulescent +  and caulescent +