Penstemon acuminatus var. latebracteatus

N. H. Holmgren

Brittonia 31: 232, fig. 8. 1979.

Endemic
Treatment appears in FNA Volume 17. Treatment on page 113.
Revision as of 18:07, 29 July 2020 by imported>Volume Importer
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Flowers: calyx lobes (3.2–) 4.5–7 mm; corolla 11–15 mm; pollen-sacs 0.7–1 mm; style 8–11 mm.


Phenology: Flowering May–Jun(–Jul).
Habitat: Sandy soils, dunes, sagebrush and shadscale communities.
Elevation: 600–1700 m.

Discussion

Variety latebracteatus is more widely distributed than var. acuminatus. Most populations occur in the Snake River Basin of southern Idaho, the Owyhee River Basin of southwestern Oregon, and the Humboldt River Basin of Nevada.

Selected References

None.

Lower Taxa

None.

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

obtuse +  and acuminate or caudate +
Craig C. Freeman +
N. H. Holmgren +
glutinous +
alternate +, opposite +, whorled +, helical +  and subopposite +
tapered;tapered +
ovate;lanceolate +
not +  and leathery +
0.32 cm3.2 mm <br />0.0032 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
0.32 cm3.2 mm <br />0.0032 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
0.32 cm3.2 mm <br />0.0032 m <br /> (0.38 cm3.8 mm <br />0.0038 m <br />) +
0.45 cm4.5 mm <br />0.0045 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
1.2mm;3.2mm +
short-tubular +  and short-campanulate +
0.7 cm7 mm <br />0.007 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
6 cm60 mm <br />0.06 m <br /> (8.5 cm85 mm <br />0.085 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
1.8 cm18 mm <br />0.018 m <br /> (6 cm60 mm <br />0.06 m <br />) +
0.8 cm8 mm <br />0.008 m <br /> (2.8 cm28 mm <br />0.028 m <br />) +
not personate +  and bilabiate +
blue +  and violet +
tubular-funnelform +
ampliate +
1.1 cm11 mm <br />0.011 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
(2-)4-8(-12)-flowered +
scale-like +  and not needlelike +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
Idaho +, Nev. +  and Oreg. +
drupe-like +
600–1700 m. +
curved +  and straight +
1 +  and 4 +
Sandy soils, dunes, sagebrush and shadscale communities. +
golden yellow +
0 cm0 mm <br />0 m <br /> (0.06 cm0.6 mm <br />6.0e-4 m <br />) +
membranous +
terminal +  and axillary +
persistent +  and deciduous +
basal +  and cauline +
orbiculate;linear;orbiculate;linear;truncate;oblanceolate;obovate;oblong;elliptic;round;lanceolate;ovate +
erose +  and entire +
glutinous +
scabrous +  and glabrous +
toothed +  and entire +
scarious +  and herbaceous +
axile +  and parietal +
basal +, apical +  and superior +
tenuinucellate +, unitegmic +  and hemitropous +
campylotropous +, hemianatropous +  and anatropous +
ascending +  and erect +
scabrous +  and glabrous +
ascending;erect +
scabrous +  and glabrous +
0 cm0 mm <br />0 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
5 +  and 4 +
Flowering May–Jun(–Jul). +
0.13 cm1.3 mm <br />0.0013 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
navicular-sigmoid +
0.07 cm0.7 mm <br />7.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
1.4 cm14 mm <br />0.014 m <br /> (6 cm60 mm <br />0.06 m <br />) +
ovate +  and lanceolate +
0.9 cm9 mm <br />0.009 m <br /> (3 cm30 mm <br />0.03 m <br />) +
minute +
dark-brown +  and brown +
disciform +, angled-elongate +  and angled +
0.18 cm1.8 mm <br />0.0018 m <br /> (0.54 cm5.4 mm <br />0.0054 m <br />) +
exserted +  and included +
0.06 cm0.6 mm <br />6.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
included +  and exserted +
0.6 cm6 mm <br />0.006 m <br /> (?) +  and 1.2 cm12 mm <br />0.012 m <br /> (?) +
short-petiolate +  and petiolate +
9 cm90 mm <br />0.09 m <br /> (20 cm200 mm <br />0.2 m <br />) +
climbing +  and scrambling +
sprawling +, creeping +  and prostrate +
ascending;erect +
cauline +, proximal +  and basal +
scabrous +  and glabrous +
reduced +
20 cm200 mm <br />0.2 m <br /> (60 cm600 mm <br />0.6 m <br />) +
leathery +
0.8 cm8 mm <br />0.008 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
papillate +
denticulate +
Penstemon acuminatus var. latebracteatus +
Penstemon acuminatus +
variety +
0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
rounded +  and inflated +
not constricted +
interrupted +  and continuous +
25 cm250 mm <br />0.25 m <br /> (30 cm300 mm <br />0.3 m <br />) +
cylindric +
6 cm60 mm <br />0.06 m <br /> (25 cm250 mm <br />0.25 m <br />) +
straight +
gibbous +  and not spurred +
0.5 cm5 mm <br />0.005 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
short-petiolate +  and sessile +
cauline +  and proximal +