familyPlantaginaceae
genusPenstemon
subgenusPenstemon subg. Penstemon
sectionPenstemon sect. Penstemon
speciesPenstemon rydbergii
varietyPenstemon rydbergii var. aggregatus

Penstemon rydbergii var. aggregatus

(Pennell) N. H. Holmgren

Brittonia 31: 106. 1979.

Craig C. Freeman
Endemic
Basionym: Penstemon aggregatus Pennell Contr. U.S. Natl. Herb. 20: 367. 1920
Synonyms: P. rydbergii subsp. aggregatus (Pennell) D. D. Keck
Treatment appears in FNA Volume 17. Treatment on page 221. Mentioned on page 220.
Revision as of 18:16, 29 July 2020 by imported>Volume Importer
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

Stems ± retrorsely hairy. Thyrses: axis glabrous or retrorsely hairy; proximal bract margins entire. Flowers: calyx lobes (4.5–) 5–8 × 1.5–2.5 mm, margins erose, rarely lacerate, narrowly to broadly scarious, apex acute to acuminate; corolla (10–) 13–20 mm; pollen-sacs (0.6–) 0.8–1.1 mm. 2n = 32.


Phenology: Flowering Jun–Aug.
Habitat: Sagebrush shrublands, aspen woodlands.
Elevation: 1800–3200 m.

Distribution

Ariz., Colo., Idaho, Mont., Utah, Wyo.

Discussion

Variety aggregatus is known from the Rocky Mountains from central Idaho and western Montana to north-central and western Wyoming, north-central Colorado, and central Utah. The variety is sympatric with var. rydbergii in north-central Colorado and south-central Wyoming; some plants from that area are difficult to assign to variety with confidence.

Selected References

None.

Lower Taxa

None.

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

... more about "Penstemon rydbergii var. aggregatus"
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2n chromosome quantity
32 +
Abaxial lobe quantity
3 +
Adaxial lobe quantity
2 +
Androecium position
hypogynous +
Apex height or length or size
short +
Apex pubescence
puberulent +  and glabrous +
Apex shape
acute +  and acuminate +
Author
Craig C. Freeman +
Authority
(Pennell) N. H. Holmgren +
Axis pubescence
hairy +  and glabrous +
Basal architecture
petiolate +
Basal arrangement
alternate +, subopposite +, whorled +  and opposite +
Basal coating
glaucescent +
Basal development
developed +
Basal leaf architecture
simple +
Basal leaf arrangement
alternate +, opposite +, whorled +, helical +  and subopposite +
Basal position
cauline +, proximal +  and basal +
Basal presence
absent +
Basal pubescence
rarely +, not glaucous +, glabrate +, pubescent +, hairy +, glandular-lanate +, glandular-pubescent +, puberulent +, glandular +  and glabrous +
Basal texture
not +  and leathery +
Base architecture or fixation
clasping +
Base shape
tapered;tapered +
Basionyms
Penstemon aggregatus +
Blade arrangement or course or shape
linear +
Blade arrangement or shape
elliptic +
Blade shape
lanceolate;elliptic or oblong +
Blade texture
not +  and leathery +
Bract margin architecture or shape
entire +
Bract presence
absent +
Bracteole size
smaller +
Calyx architecture or shape
symmetric +
Calyx lobe atypical length
0.45 cm4.5 mm <br />0.0045 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Calyx lobe length
5mm;8mm +
Calyx lobe shape
oblong;ovate or obovate +
Calyx lobe width
1.5mm;2.5mm +
Calyx position relational
not surrounding +
Calyx shape
short-tubular +  and short-campanulate +
Capsule length
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Capsule pubescence
glabrous +
Capsule width
0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
Caudex architecture
rhizomelike +
Caudex growth form or texture
herbaceous +
Caudex texture
woody +
Cauline blade architecture
sessile +
Cauline blade quantity
3;6 +
Cauline leaf architecture
petiolate +  and sessile +
Connective architecture or dehiscence
splitting +
Corolla architecture
personate +, not personate +, bilabiate +  and symmetric +
Corolla architecture or shape
symmetric +
Corolla atypical some measurement
1 cm10 mm <br />0.01 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
Corolla coloration
yellowish +, white +, violet +  and blue or purple +
Corolla pubescence
villous +  and glabrous +
Corolla shape
ventricose +, tubular +  and tubular-funnelform +
Corolla size
ampliate +
Corolla some measurement
1.3 cm13 mm <br />0.013 m <br /> (2 cm20 mm <br />0.02 m <br />) +
Cyme architecture
(3-)5-11-flowered +
Cyme quantity
2 +
Distal flower pubescence
hairy +
Distal leaf-blade shape
scale-like +  and not needlelike +
Distribution
Ariz. +, Colo. +, Idaho +, Mont. +, Utah +  and Wyo. +
Drupe shape
drupe-like +
Elevation
1800–3200 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
Sagebrush shrublands, aspen woodlands. +
Hair coloration
golden yellow +
Hair pubescence
glabrous +
Hair some measurement
0 cm0 mm <br />0 m <br /> (0.1 cm1 mm <br />0.001 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 duration
persistent +  and deciduous +
Leaf position
basal +  and cauline +
Leaf pubescence
glabrous +
Leaf texture
not leathery +
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 relief
erose +
Margin architecture or shape
entire +
Margin coating
glutinous +
Margin growth form or texture
herbaceous +
Margin pubescence
glandular-ciliolate +, hairy +, puberulent +, glabrescent +, glabrous +  and glandular-pubescent +
Margin shape
lacerate +
Margin texture
scarious +
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
erect +
Pedicel presence
absent +
Pedicel pubescence
puberulent +, hairy +  and glabrous +
Peduncle orientation
erect +
Peduncle pubescence
puberulent +, hairy +  and glabrous +
Perianth position
hypogynous +
Petal fusion
connate +
Petal presence
absent +
Petal quantity
5 +  and 4 +
Petiole presence
absent +
Phenology
Flowering Jun–Aug. +
Pistil architecture
2-carpellate +
Pistil quantity
1 +
Pollen-sac architecture or shape
saccate +
Pollen-sac arrangement
opposite +
Pollen-sac atypical distance
0.06 cm0.6 mm <br />6.0e-4 m <br /> (0.08 cm0.8 mm <br />8.0e-4 m <br />) +
Pollen-sac course or shape
navicular-sigmoid +
Pollen-sac dehiscence
dehiscing +
Pollen-sac distance
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.11 cm1.1 mm <br />0.0011 m <br />) +
Pollen-sac orientation
explanate +
Pollen-sac position or shape
distal +
Pollen-sac quantity
1/5 +  and 2/3 +
Pollen-sac shape
navicular +
Proximal architecture
short-petiolate +
Proximal atypical length
7 cm70 mm <br />0.07 m <br /> (11 cm110 mm <br />0.11 m <br />) +
Proximal bract atypical length
5.2 cm52 mm <br />0.052 m <br /> (7 cm70 mm <br />0.07 m <br />) +
Proximal bract atypical width
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
Proximal bract length
1.1 cm11 mm <br />0.011 m <br /> (5.2 cm52 mm <br />0.052 m <br />) +
Proximal bract shape
lanceolate +
Proximal bract width
0.2 cm2 mm <br />0.002 m <br /> (1.8 cm18 mm <br />0.018 m <br />) +
Proximal length
2.5 cm25 mm <br />0.025 m <br /> (7 cm70 mm <br />0.07 m <br />) +
Proximal width
0.3 cm3 mm <br />0.003 m <br /> (2.4 cm24 mm <br />0.024 m <br />) +
Publication title
Brittonia +
Publication year
1979 +
Reference
None +
Rim presence
absent +
Rim size
minute +
Seed atypical quantity
40 (100) +
Seed atypical some measurement
0.2 cm2 mm <br />0.002 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
Seed coloration
black +, gray +, brown +  and tan +
Seed quantity
5;40 +
Seed shape
angled +  and slightly rounded +
Seed some measurement
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.2 cm2 mm <br />0.002 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 531.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
0.02 cm0.2 mm <br />2.0e-4 m <br /> (0.04 cm0.4 mm <br />4.0e-4 m <br />) +
Staminode position
included +  and exserted +
Staminode presence
absent +
Staminode quantity
1 +
Staminode shape
flattened +
Staminode some measurement
0.6 cm6 mm <br />0.006 m <br /> (?) +  and 0.7 cm7 mm <br />0.007 m <br /> (?) +
Staminode variability
equal +
Stem architecture or function or pubescence
glandular +
Stem arrangement
subalternate +, alternate +, whorled +  and opposite +
Stem atypical some measurement
70 cm700 mm <br />0.7 m <br /> (120 cm1,200 mm <br />1.2 m <br />) +
Stem coating
glutinous +
Stem growth form
climbing +  and scrambling +
Stem growth form or orientation
sprawling +, creeping +  and prostrate +
Stem orientation
erect;ascending;erect;ascending;decumbent +
Stem position
basal +
Stem presence
absent +
Stem pubescence
hairy +
Stem some measurement
20 cm200 mm <br />0.2 m <br /> (70 cm700 mm <br />0.7 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 +  and smooth +
Suture shape
denticulate +
Synonyms
P. rydbergii subsp. aggregatus +
Taxon family
Plantaginaceae +
Taxon name
Penstemon rydbergii var. aggregatus +
Taxon parent
Penstemon rydbergii +
Taxon rank
variety +
Throat diameter
0.3 cm3 mm <br />0.003 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
Throat shape
2-ridged +  and inflated +
Throat size
not constricted +
Thyrse architecture
interrupted +
Thyrse atypical some measurement
10 cm100 mm <br />0.1 m <br /> (18 cm180 mm <br />0.18 m <br />) +
Thyrse shape
cylindric +
Thyrse some measurement
3 cm30 mm <br />0.03 m <br /> (10 cm100 mm <br />0.1 m <br />) +
Tip course
straight +
Tip orientation
recurved +
Tip position or shape
distal +
Tip pubescence
pilose +
Tip some measurement
0.15 cm1.5 mm <br />0.0015 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
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
2 (7) +
Volume
Volume 17 +
Whole-organism position
cauline +  and proximal +
Whole organism duration
perennial +
Whole organism growth form
herb +
Whole organism nutrition
autotrophic +
Whole organism texture
fleshy +
Wing presence
absent +
Wing quantity
8 +
Wing size or width
narrow +