familyAsteraceae
tribeAsteraceae tribe Cichorieae
genusCrepis
speciesCrepis occidentalis
subspeciesCrepis occidentalis subsp. occidentalis

Crepis occidentalis subsp. occidentalis

David J. Bogler
Common names: Largeflower hawksbeard
IllustratedEndemic
Treatment appears in FNA Volume 19. Treatment on page 232. Mentioned on page 233.
Please click on the illustration for a higher resolution version.
Illustrator: Bee F. Gunn

Copyright: Flora of North America Association

Plants 10–40 cm. Stems stipitate-glandular. Leaves 10–20 × 2–4 cm, sharply dentate to pinnately lobed (lobes dentate; distal cauline leaves stipitate-glandular). Heads 10–30. Peduncles tomentulose, stipitate-glandular. Phyllaries 10–13, sparsely to densely stipitate-glandular (lacking dark or long black setae). Florets 18–30. Cypselae golden brown. 2n = 22, 33.


Phenology: Flowering May–Jun.
Habitat: Arid rocky hillsides, sagebrush scrub
Elevation: 1000–2200 m

Distribution

V19-297-distribution-map.gif

Alta., B.C., Sask., Ariz., Calif., Colo., Idaho, Mont., Nev., N.Mex., Oreg., S.Dak., Utah, Wash., Wyo.

Discussion

Selected References

None.

Lower Taxa

None.

"fine" is not a number."fine" is not a number.

... more about "Crepis occidentalis subsp. occidentalis"
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2n chromosome quantity
33 +  and 22 +
Abaxial face pubescence
stipitate-glandular +, setose +  and gray-tomentose +
Adaxial face pubescence
with fine hairs +  and glabrous +
Anther base shape
tailed +
Anther dehiscence
introrse +
Anther fusion
connate +
Apex shape
tapered;acuminate;acute;acuminate;acute +
Apex texture
scarious +
Apical appendage development
developed +
Apical appendage shape
ovate +  and lanceolate +
Appendage presence
absent +
Appendage pubescence
hirsute +
Appendage relief
papillate +
Array architecture
corymbiform +
Array architecture or fragility
loose +
Array development
indeterminate +  and determinate +
Author
David J. Bogler +
Authority
Nuttall +
Awn pappus duration
persistent +
Awn pappus life cycle
falling +
Band architecture
continuous +
Band quantity
1 +
Basal blade shape
runcinate +, lyrate +, lanceolate +  and linear or spatulate +
Base shape
decurrent +
Blade architecture
compound +  and simple +
Blade arrangement or shape
elliptic +
Blade atypical length
5 cm50 mm <br />0.05 m <br /> (8 cm80 mm <br />0.08 m <br />) +
Blade length
8 cm80 mm <br />0.08 m <br /> (20 cm200 mm <br />0.2 m <br />) +
Blade shape
runcinate +
Blade width
2 cm20 mm <br />0.02 m <br /> (5 cm50 mm <br />0.05 m <br />) +
Body architecture
winged +
Body architecture or shape
ribbed +
Body relief
tuberculate +, rugose +, muricate +  and smooth +
Bractlet pubescence
setose +, tomentulose +  and glabrous +
Bractlet quantity
1;15 +
Bractlet size
unequal +
Bractlet some measurement
0.2 cm2 mm <br />0.002 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
Branch fragility or size
stout +
Branch shape
filiform +
Branch structure in adjective form
stigmatic +
Bristle architecture
barbellulate +
Bristle relief
coarse +
Bristle shape
Plumose (?) +
Calyculus presence
absent +
Calyculus pubescence
glabrate +  and tomentose +
Calyculus quantity
Of 1 (15+ bractlets) +
Calyculus shape
Linear (Lanceolate) +
Calyculus size
reduced +
Caudex shape
swollen +
Cauline blade presence
absent +
Cauline blade shape
lobing +, entire +  and lobed +
Cauline blade size
reduced +
Common name
Largeflower hawksbeard +
Corolla architecture
zygomorphic +, actinomorphic +  and (3-)5-merous +
Corolla coloration
yellow +
Corolla some measurement
1.8 cm18 mm <br />0.018 m <br /> (2.2 cm22 mm <br />0.022 m <br />) +
Cypsela architecture
monomorphic +
Cypsela coloration
golden brown +
Cypsela course
curved +
Cypsela growth form
dimorphic +
Cypsela shape
subcylindric +
Cypsela some measurement
6mm;10mm +
Distribution
Alta. +, B.C. +, Sask. +, Ariz. +, Calif. +, Colo. +, Idaho +, Mont. +, Nev. +, N.Mex. +, Oreg. +, S.Dak. +, Utah +, Wash. +  and Wyo. +
Elevation
1000–2200 m +
Embryo course
straight +
Face pubescence
stipitate-glandular +  and gray-tomentose +
Filament fusion
distinct +
Floret architecture
ligulate +
Floret atypical quantity
5;15 +
Floret position
proximal +
Floret quantity
18;30 +
Floret reproduction
bisexual +
Fruit architecture
winged +  and beaked +
Fruit condition or texture
dry +
Fruit density
dispersed +
Habitat
Arid rocky hillsides, sagebrush scrub +
Hair fixation or orientation
appressed +
Head architecture
subsessile +
Head arrangement
singly +
Head development
indeterminate +
Head quantity
10;30 +
Head reproduction
homogamous +
Illustration
Present +
Illustration copyright
Flora of North America Association +
Illustrator
Bee F. Gunn +
Individual head architecture
each +  and sessile +
Involucre diameter
0.4 cm4 mm <br />0.004 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
Involucre length
1.1 cm11 mm <br />0.011 m <br /> (1.9 cm19 mm <br />0.019 m <br />) +
Involucre position relational
surrounding +
Involucre shape
cylindric +
Involucre width
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Leaf architecture
petiolate +
Leaf arrangement
alternate +
Leaf length
10 cm100 mm <br />0.1 m <br /> (20 cm200 mm <br />0.2 m <br />) +
Leaf position
cauline +  and basal +
Leaf shape
sharply dentate;pinnately lobed +
Leaf width
2 cm20 mm <br />0.02 m <br /> (4 cm40 mm <br />0.04 m <br />) +
Lobe shape
toothed +
Margin architecture
prickly +
Margin architecture or shape
dentate +  and entire +
Margin coloration
green +  and yellowish +
Margin shape
pinnately-lobed +  and sinuously dentate +
Margin texture
scarious +
Number of lower taxa
0 +
Ovary architecture
2-carpellate +
Ovary architecture or structure in adjective form
1-locular +
Ovary position
inferior +
Ovule fixation
attached +
Ovule orientation
anatropous +
Ovule quantity
1 +
Pappus coloration
yellowish white +
Pappus duration
persistent +
Pappus fusion
connate +  and distinct +
Pappus life cycle
falling +
Pappus relief
coarse +
Pappus some measurement
1 cm10 mm <br />0.01 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
Pappus variability
equal +
Pappus width
fine +
Peduncle architecture
not bracteate +
Peduncle pubescence
stipitate-glandular +  and tomentulose +
Peduncle shape
inflated +
Pericarp fragility
tough +
Pericarp width
thick +
Petal fusion
connate +
Phenology
Flowering May–Jun. +
Phyllary duration
persistent +
Phyllary fusion
connate +  and distinct +
Phyllary pubescence
stipitate-glandular +
Phyllary quantity
10 +  and 13 +
Phyllary shape
Lanceolate (?) +
Phyllary size
subequal +
Phyllary some measurement
1.2 cm12 mm <br />0.012 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
Phyllary variability
equal +
Publication title
J. Acad. Nat. Sci. Philadelphia +
Publication year
1834 +
Receptacle architecture
epaleate +
Receptacle pubescence
hairy +  and glabrous +
Receptacle relief
pitted +
Receptacle shape
convex;flat +
Reference
None +
Rib fragility
strong +
Rib quantity
10 +  and 18 +
Rib relief or texture
spiculate-roughened +
Rib shape
rounded +
Root texture
fibrous +
Seed architecture
exalbuminous +
Seed quantity
1 +
Sepal variability
modifed +
Series atypical quantity
5 (15) +
Series quantity
1;2 +
Source xml
https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V19-20-21/V19 297.xml +
Special status
Illustrated +  and Endemic +
Stamen arrangement
alternate +
Stamen atypical quantity
4 (5) +
Stamen quantity
5 +
Stem architecture
branched +
Stem fragility or size
stout +
Stem orientation
erect +
Stem pubescence
stipitate-glandular +
Stem quantity
1 +  and 3 +
Style-branch architecture
appendaged +  and truncate +
Style architecture
2-branched +
Style pubescence
hirsute +
Style quantity
1 +
Style relief
papillate +
Synonyms
Psilochenia occidentalis +
Taproot depth
deep +
Taxon family
Asteraceae +
Taxon name
Crepis occidentalis subsp. occidentalis +
Taxon parent
Crepis occidentalis +
Taxon rank
subspecies +
Volume
Volume 19 +
Whole-organism architecture
taprooted +  and rhizomatous +
Whole-organism duration
perennial +
Whole-organism some measurement
8 cm80 mm <br />0.08 m <br /> (40 cm400 mm <br />0.4 m <br />) +
Whole organism growth form
plant +
Whole organism some measurement
10cm (40cm) +
X chromosome quantity
11 +, 6 +, 5 +, 4 +  and 3 +