familyPlantaginaceae
genusPenstemon
subgenusPenstemon subg. Penstemon
sectionPenstemon sect. Saccanthera
speciesPenstemon richardsonii
varietyPenstemon richardsonii var. dentatus

Penstemon richardsonii var. dentatus

(D. D. Keck) Cronquist in C. L. Hitchcock et al.

Vasc. Fl. Pacif. N.W. 4: 401. 1959.

Craig C. Freeman
Endemic
Basionym: Penstemon richardsonii subsp. dentatus D. D. Keck Brittonia 8: 250. 1957
Treatment appears in FNA Volume 17. Treatment on page 242.

Leaves: blade ovate, sometimes lanceolate, margins dentate, rarely laciniate-dentate. Flowers: corolla 22–30 mm; staminode: distal 2–8 mm sparsely lanate; style 16–22 mm.


Phenology: Flowering May–Aug(–Sep).
Habitat: Talus slopes, cliffs, crevices, often in basalt.
Elevation: 300–1500 m.

Distribution

Oreg.

Discussion

Variety dentatus is known from north-central and northeastern Oregon (Baker, Crook, Deschutes, Grant, Jefferson, Morrow, Umatilla, Union, Wasco, and Wheeler counties).

Selected References

None.

Lower Taxa

None.

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

... more about "Penstemon richardsonii var. dentatus"
RDF feed
2n chromosome quantity
16 +
Abaxial lobe quantity
3 +
Adaxial lobe quantity
2 +
Androecium position
hypogynous +
Apex shape
obtuse +  and acute +
Author
Craig C. Freeman +
Authority
(D. D. Keck) Cronquist in C. L. Hitchcock et al. +
Axis pubescence
glandular-pubescent +
Basal architecture
petiolate +
Basal arrangement
subalternate +, whorled +, alternate +  and opposite +
Basal leaf architecture
simple +
Basal leaf arrangement
alternate +, opposite +, whorled +, helical +  and subopposite +
Basal position
cauline +, proximal +  and basal +
Basal pubescence
not +, glaucous +, glandular-pubescent +, hirsute +, pilose +, canescent +, hairy +, puberulent +, glabrate +  and glabrous +
Basal quantity
few +
Basal texture
leathery +
Base shape
tapered +
Basionyms
Penstemon richardsonii subsp. dentatus +
Blade shape
lanceolate;ovate +
Blade texture
not +  and leathery +
Bract presence
absent +
Bracteole size
smaller +
Calyx architecture or shape
symmetric +
Calyx lobe length
4mm;7mm +
Calyx lobe pubescence
glandular-pubescent +
Calyx lobe shape
ovate;lanceolate +
Calyx lobe width
1.3mm;2.3mm +
Calyx position relational
not surrounding +
Calyx shape
short-tubular +  and short-campanulate +
Capsule length
0.5 cm5 mm <br />0.005 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
Capsule pubescence
glabrous +
Capsule width
0.4 cm4 mm <br />0.004 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 +  and short-petiolate +
Cauline leaf length
1.3 cm13 mm <br />0.013 m <br /> (7 cm70 mm <br />0.07 m <br />) +
Cauline leaf quantity
5 (13) +
Cauline leaf width
0.5 cm5 mm <br />0.005 m <br /> (3 cm30 mm <br />0.03 m <br />) +
Connective architecture or dehiscence
splitting +
Corolla architecture
not personate +  and bilabiate +
Corolla architecture or shape
symmetric +
Corolla coloration
bluish +  and lavender or pinkish +
Corolla coloration or density
purple +
Corolla pubescence
internally or +  and sparsely moderately white-lanate +
Corolla shape
ventricose +
Corolla size
ventricose-ampliate +
Corolla some measurement
2.2 cm22 mm <br />0.022 m <br /> (3 cm30 mm <br />0.03 m <br />) +
Cyme architecture
2-7-flowered +
Cyme quantity
2 +  and 1 +
Distal flower pubescence
hairy +
Distal leaf-blade shape
scale-like +  and not needlelike +
Distribution
Oreg. +
Drupe shape
drupe-like +
Elevation
300–1500 m. +
Embryo course
curved +  and straight +
Endosperm presence
absent +
Filament pubescence
glabrous +
Flower quantity
1 +  and 4 +
Flower reproduction
bisexual +
Fruits capsule arrangement
packed +
Fruits capsule dehiscence
septicidal +
Habitat
Talus slopes, cliffs, crevices, often in basalt. +
Hair coloration
yellow +
Hair pubescence
not glaucous +
Hair shape
pointed +
Hair some measurement
0 cm0 mm <br />0 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
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
subopposite +  and opposite +
Leaf duration
persistent +  and deciduous +
Leaf position
cauline +
Leaf pubescence
not glaucous +, hairy +  and glabrate +
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
laciniate-dentate +  and dentate +
Margin growth form or texture
herbaceous +
Margin pubescence
ciliolate +, pubescent +, puberulent +, scabrous +, glandular-pubescent +  and glabrous +
Margin shape
laciniate-dentate +  and irregularly laciniate-pinnatifid +
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 fixation or orientation
appressed +
Pedicel orientation
spreading +
Pedicel presence
absent +
Pedicel pubescence
glandular-pubescent +
Peduncle fixation or orientation
appressed +
Peduncle orientation
spreading +
Peduncle pubescence
glandular-pubescent +
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 arrangement
parallel +
Pollen-sac course or shape
navicular-sigmoid +
Pollen-sac dehiscence
indehiscent +
Pollen-sac distance
0.13 cm1.3 mm <br />0.0013 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
Pollen-sac orientation
explanate +
Pollen-sac position or shape
distal +
Pollen-sac quantity
1/2 +
Pollen-sac shape
navicular +
Proximal bract length
0.7 cm7 mm <br />0.007 m <br /> (4.3 cm43 mm <br />0.043 m <br />) +
Proximal bract shape
lanceolate +
Proximal bract width
0.2 cm2 mm <br />0.002 m <br /> (1.6 cm16 mm <br />0.016 m <br />) +
Publication title
Vasc. Fl. Pacif. N.W. +
Publication year
1959 +
Reference
None +
Rim presence
absent +
Rim size
minute +
Seed atypical quantity
40 (100) +
Seed coloration
brown +, gray +  and tan +
Seed quantity
5;40 +
Seed shape
patelliform +  and angled +
Seed some measurement
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.34 cm3.4 mm <br />0.0034 m <br />) +
Sepal atypical quantity
2 (4) +
Sepal fusion
connate +
Sepal quantity
5 +
Side pubescence
glabrous +
Source xml
https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V17/V17 585.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
exserted +
Stamen quantity
4 +
Staminode diameter
0.03 cm0.3 mm <br />3.0e-4 m <br /> (0.08 cm0.8 mm <br />8.0e-4 m <br />) +
Staminode position
exserted +
Staminode position or shape
distal +
Staminode presence
absent +
Staminode pubescence
lanate +
Staminode quantity
1 +
Staminode shape
flattened +
Staminode some measurement
0.2 cm2 mm <br />0.002 m <br /> (?) +  and 0.8 cm8 mm <br />0.008 m <br /> (?) +
Staminode variability
equal +
Stem architecture or function or pubescence
glandular +
Stem arrangement
subalternate +, alternate +, whorled +  and opposite +
Stem growth form
climbing +  and scrambling +
Stem growth form or orientation
sprawling +, creeping +  and prostrate +
Stem orientation
ascending;erect +
Stem position
basal +
Stem presence
absent +
Stem pubescence
hairy +
Stem some measurement
20 cm200 mm <br />0.2 m <br /> (95 cm950 mm <br />0.95 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
1.6 cm16 mm <br />0.016 m <br /> (2.2 cm22 mm <br />0.022 m <br />) +
Suture architecture or pubescence or relief
smooth +
Suture relief
papillate +
Suture shape
denticulate +
Synonyms
Penstemon subg. Saccanthera +
Taxon family
Plantaginaceae +
Taxon name
Penstemon richardsonii var. dentatus +
Taxon parent
Penstemon richardsonii +
Taxon rank
variety +
Throat diameter
0.5 cm5 mm <br />0.005 m <br /> (1.4 cm14 mm <br />0.014 m <br />) +
Throat shape
rounded +  and inflated +
Throat size
not constricted +
Thyrse architecture
interrupted +
Thyrse atypical some measurement
25 cm250 mm <br />0.25 m <br /> (48 cm480 mm <br />0.48 m <br />) +
Thyrse shape
cylindric +
Thyrse some measurement
2 cm20 mm <br />0.02 m <br /> (25 cm250 mm <br />0.25 m <br />) +
Tip course
straight +
Tip pubescence
glabrous +
Tooth some measurement
0 cm0 mm <br />0 m <br /> (0.02 cm0.2 mm <br />2.0e-4 m <br />) +
Tube base shape
gibbous +  and not spurred +
Tube some measurement
0.7 cm7 mm <br />0.007 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
Verticillaster atypical quantity
7 (15) +
Verticillaster quantity
3 (7) +
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 +