familyPlantaginaceae
genusPenstemon
subgenusPenstemon subg. Penstemon
sectionPenstemon sect. Ambigui
speciesPenstemon ambiguus
varietyPenstemon ambiguus var. ambiguus

Penstemon ambiguus var. ambiguus

Craig C. Freeman
Endemic
Treatment appears in FNA Volume 17. Treatment on page 95.

Stems scabrous proximally. Leaf-blades: margins scabrous. 2n = 16.


Phenology: Flowering May–Aug(–Sep).
Habitat: Dunes and loose sand, sandsage shrublands.
Elevation: 700–2100 m.

Distribution

Colo., Kans., Nebr., N.Mex., Okla., Tex.

Discussion

Selected References

None.

Lower Taxa

None.

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

... more about "Penstemon ambiguus var. ambiguus"
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2n chromosome quantity
16 +
Abaxial lobe quantity
3 +
Adaxial lobe quantity
2 +
Androecium position
hypogynous +
Apex shape
acuminate +  and mucronate +
Author
Craig C. Freeman +
Authority
Torrey +
Axis pubescence
scabrous +  and glabrous +
Basal leaf architecture
simple +
Basal leaf arrangement
alternate +, opposite +, whorled +, helical +  and subopposite +
Basionyms
Penstemon +
Blade arrangement or course or shape
linear +
Blade base shape
tapered +
Blade texture
not +  and leathery +
Bract presence
absent +
Bracteole size
smaller +
Calyx architecture or shape
symmetric +
Calyx lobe length
1.5mm;3.5mm +
Calyx lobe shape
ovate +
Calyx lobe width
1mm;1.5mm +
Calyx position relational
not surrounding +
Calyx shape
short-tubular +  and short-campanulate +
Capsule length
0.6 cm6 mm <br />0.006 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
Capsule pubescence
glabrous +
Capsule width
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Caudex architecture
rhizomelike +
Caudex growth form or texture
herbaceous +
Caudex texture
woody +
Cauline leaf architecture
sessile +
Connective architecture or dehiscence
not +  and splitting +
Connective arrangement
divergent +
Connective dehiscence
dehiscing +
Connective orientation
explanate +
Connective position
exserted +
Connective pubescence
glabrous +
Corolla architecture
lined +
Corolla architecture or shape
symmetric +
Corolla atypical some measurement
2.2 cm22 mm <br />0.022 m <br /> (2.8 cm28 mm <br />0.028 m <br />) +
Corolla coloration
pink +
Corolla pubescence
glandular-pubescent +
Corolla shape
salverform +
Corolla size
ventricose-ampliate +  and ampliate +
Corolla some measurement
1.6 cm16 mm <br />0.016 m <br /> (2.2 cm22 mm <br />0.022 m <br />) +
Cyme architecture
1-3-flowered +
Cyme quantity
2 +
Distal leaf-blade shape
scale-like +  and not needlelike +
Distribution
Colo. +, Kans. +, Nebr. +, N.Mex. +, Okla. +  and Tex. +
Drupe shape
drupe-like +
Elevation
700–2100 m. +
Embryo course
curved +  and straight +
Endosperm presence
absent +
Filament position
exserted +
Filament pubescence
pubescent +, glandular-puberulent +  and glabrous +
Flower quantity
1 +  and 4 +
Flower reproduction
bisexual +
Fruits capsule arrangement
packed +
Fruits capsule dehiscence
septicidal +
Habitat
Dunes and loose sand, sandsage shrublands. +
Hair coloration
white +
Hair texture
membranous +
Illustration copyright
Flora of North America Association +
Illustrator
John Myers +
Inflorescence position
terminal +  and axillary +
Inflorescence position or structure subtype
terminal +
Lateral branch architecture
cymose +
Leaf arrangement
opposite +
Leaf atypical length
3 cm30 mm <br />0.03 m <br /> (4 cm40 mm <br />0.04 m <br />) +
Leaf atypical quantity
7 (10) +
Leaf atypical width
0.1 cm1 mm <br />0.001 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
Leaf duration
persistent +  and deciduous +
Leaf length
0.5 cm5 mm <br />0.005 m <br /> (3 cm30 mm <br />0.03 m <br />) +
Leaf position
cauline +
Leaf pubescence
not glaucous +, scabrous +  and glabrous +
Leaf quantity
10 (?) +  and 25 (?) +
Leaf texture
not leathery +
Leaf width
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
Line quantity
2 +
Lobe quantity
5 (?) +
Lobe shape
orbiculate;linear;orbiculate;linear;truncate;oblanceolate;obovate;oblong;elliptic;round;lanceolate;ovate +
Margin architecture
erose +  and entire +
Margin architecture or shape
entire +
Margin pubescence
scabrous +  and glabrous +
Margin pubescence or relief
scabrous +
Margin shape
toothed +  and entire +
Margin texture
scarious +
Nectar guide coloration
reddish purple +
Number of lower taxa
0 +
Ovary architecture or structure in adjective form
2-locular +
Ovary arrangement
axile +  and parietal +
Ovary placentation
axile +
Ovary position
basal +, apical +  and superior +
Ovule architecture
tenuinucellate +, unitegmic +  and hemitropous +
Ovule orientation
campylotropous +, hemianatropous +  and anatropous +
Panicle architecture
spiciform +
Pedicel orientation
ascending +  and spreading +
Pedicel presence
absent +
Pedicel pubescence
scabrous +  and glabrous +
Peduncle orientation
ascending;spreading +
Peduncle pubescence
scabrous +  and glabrous +
Perianth position
hypogynous +
Petal fusion
connate +
Petal presence
absent +
Petal quantity
5 +  and 4 +
Petiole presence
absent +
Phenology
Flowering May–Aug(–Sep). +
Pistil architecture
2-carpellate +
Pistil quantity
1 +
Pollen-sac architecture or shape
saccate +
Pollen-sac course or shape
navicular-sigmoid +
Pollen-sac dehiscence
dehiscing +
Pollen-sac distance
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.06 cm0.6 mm <br />6.0e-4 m <br />) +
Pollen-sac orientation
explanate +
Pollen-sac position
exserted +
Pollen-sac pubescence
glabrous +
Pollen-sac shape
navicular +
Proximal bract arrangement or course or shape
linear +
Proximal bract atypical length
2.7 cm27 mm <br />0.027 m <br /> (3.3 cm33 mm <br />0.033 m <br />) +
Proximal bract length
0.6 cm6 mm <br />0.006 m <br /> (2.7 cm27 mm <br />0.027 m <br />) +
Proximal bract width
0.03 cm0.3 mm <br />3.0e-4 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
Publication title
Ann. Lyceum Nat. Hist. New York +
Publication year
1827 +
Reference
None +
Rim presence
absent +
Rim size
minute +
Seed atypical quantity
40 (100) +
Seed coloration
dark-brown +  and reddish-brown +
Seed quantity
5;40 +
Seed shape
angled +
Seed some measurement
0.1 cm1 mm <br />0.001 m <br /> (0.28 cm2.8 mm <br />0.0028 m <br />) +
Sepal atypical quantity
2 (4) +
Sepal fusion
connate +
Sepal quantity
5 +
Side architecture or dehiscence
splitting +
Side arrangement
divergent +
Side dehiscence
dehiscing +
Side orientation
explanate +
Side position
exserted +
Side pubescence
glabrous +
Source xml
https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V17/V17 256.xml +
Special status
Endemic +
Species growth form
shrubby +
Stamen architecture
didynamous +
Stamen atypical quantity
1 (3) +
Stamen fusion
adnate +
Stamen length or size
longer +
Stamen position
included +
Stamen pubescence
glabrous +
Stamen quantity
4 +
Staminode diameter
0.1 cm1 mm <br />0.001 m <br /> (?) +
Staminode position
included +
Staminode presence
absent +
Staminode quantity
1 +
Staminode shape
flattened +  and terete +
Staminode some measurement
0.7 cm7 mm <br />0.007 m <br /> (?) +  and 0.9 cm9 mm <br />0.009 m <br /> (?) +
Staminode variability
equal +
Stem architecture or function or pubescence
glandular +
Stem arrangement
subalternate +, alternate +, whorled +  and opposite +
Stem atypical some measurement
40 cm400 mm <br />0.4 m <br /> (60 cm600 mm <br />0.6 m <br />) +
Stem growth form
climbing +  and scrambling +
Stem growth form or orientation
sprawling +, creeping +  and prostrate +
Stem orientation
decumbent;ascending;decumbent;ascending;erect;prostrate +
Stem position
basal +
Stem presence
absent +
Stem pubescence
scabrous +  and glabrous +
Stem pubescence or relief
scabrous +
Stem some measurement
30 cm300 mm <br />0.3 m <br /> (40 cm400 mm <br />0.4 m <br />) +
Stigma architecture or shape
capitate +
Stigma quantity
1 +
Stipule presence
absent +
Style atypical quantity
0 (?) +
Style pubescence
glabrous +
Style quantity
1 +
Style some measurement
0.8 cm8 mm <br />0.008 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Suture architecture or pubescence or relief
smooth +
Suture relief
papillate +
Suture shape
denticulate +
Taxon family
Plantaginaceae +
Taxon name
Penstemon ambiguus var. ambiguus +
Taxon parent
Penstemon ambiguus +
Taxon rank
variety +
Throat diameter
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Throat shape
rounded +  and inflated +
Throat size
not constricted +
Thyrse architecture
interrupted +
Thyrse shape
cylindric +  and conic +
Thyrse some measurement
6 cm60 mm <br />0.06 m <br /> (15 cm150 mm <br />0.15 m <br />) +
Tip course
straight +
Tip pubescence
glabrous +
Tube base shape
gibbous +  and not spurred +
Tube some measurement
0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
Verticillaster quantity
6 (10) +
Volume
Volume 17 +
Whole organism duration
perennial +
Whole organism growth form
subshrub +
Whole organism nutrition
autotrophic +
Whole organism texture
fleshy +
Wing presence
absent +
Wing quantity
8 +
Wing size or width
narrow +