familyAsteraceae
tribeAsteraceae tribe Heliantheae
subtribeAsteraceae (tribe Heliantheae) subtribe Ambrosiinae
genusDicoria
speciesDicoria canescens

Dicoria canescens

A. Gray in W. H. Emory

in W. H. Emory, Rep. U.S. Mex. Bound. 2(1): 87, plate 30. 1859.

John L. Strother
Illustrated
Synonyms: Dicoria brandegeei A. Gray Dicoria canescens subsp. brandegeei (A. Gray) Cronquist Dicoria canescens var. brandegeei (A. Gray) Cronquist Dicoria canescens subsp. clarkiae (P. B. Kennedy) D. D. Keck Dicoria canescens subsp. hispidula (Rydberg) D. D. Keck Dicoria canescens var. hispidula (Rydberg) Cronquist Dicoria canescens var. witherillii (Eastwood) Cronquist Dicoria clarkiae Dicoria paniculata
Treatment appears in FNA Volume 21. Treatment on page 25.
Please click on the illustration for a higher resolution version.
Illustrator: Marjorie C. Leggitt

Copyright: Flora of North America Association

Leaves: petioles 5–20+ mm; blades mostly 10–30 (–120) × 3–20 (–30+) mm. Peduncles 1–3+ mm. Involucres 2–3+ mm. Phyllaries: outer ± lanceolate, ± herbaceous, sericeous to strigillose, inner ultimately obovate to ± orbiculate, usually ± cucullate, scarious to membranous, usually glandular-pubescent, each ± investing a cypsela. Paleae 1.8–2+ mm. Functionally staminate florets: corollas 2.5–3 mm. Cypselae 3–8+ mm. 2n = 36.


Phenology: Flowering year round, mostly Oct–Feb.
Habitat: Alkaline soils, desert washes, flats
Elevation: -20–1700 m

Distribution

V21-40-distribution-map.gif

Ariz., Calif., Colo., Nev., N.Mex., Utah, Mexico (Baja California), Mexico (Sonora)

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Dicoria canescens"
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2n chromosome quantity
36 +
Anther base shape
not tailed +, rounded +  and obtuse +
Anther dehiscence
introrse +
Anther fusion
connate +
Anther theca coloration
pale +
Apex fusion
connate +  and distinct +
Apex growth form or texture
herbaceous +
Apex size
subequal +
Apex texture
scarious +
Apical appendage presence
absent +
Apical appendage shape
usually ovate +  and lanceolate +
Appendage pubescence
hirsute +
Appendage relief
papillate +
Appendage shape
usually deltate +  and lanceolate +
Array architecture
racemiform +  and paniculiform +
Array development
indeterminate +  and determinate +
Author
John L. Strother +
Authority
A. Gray in W. H. Emory +
Band architecture
continuous +
Band quantity
1 +
Base shape
decurrent +
Blade architecture
compound +  and simple +
Blade atypical length
3 cm30 mm <br />0.03 m <br /> (12 cm120 mm <br />0.12 m <br />) +
Blade atypical width
2 cm20 mm <br />0.02 m <br /> (3 cm30 mm <br />0.03 m <br />) +
Blade length
1 cm10 mm <br />0.01 m <br /> (3 cm30 mm <br />0.03 m <br />) +
Blade shape
lance-linear;lanceolate or more or less deltate or ovate +
Blade width
0.3 cm3 mm <br />0.003 m <br /> (2 cm20 mm <br />0.02 m <br />) +
Body architecture
winged;ribbed;winged;ribbed +
Body architecture or pubescence or relief
smooth +
Body relief
tuberculate +  and rugose +
Bractlet quantity
1;15 +
Branch arrangement or course or shape
linear +
Branch structure in adjective form
stigmatic +
Bristle architecture
barbellulate +  and barbellate +
Bristle shape
Plumose (?) +
Calyculus presence
absent +
Calyculus quantity
Of 1 (15+ bractlets) +
Corolla architecture
zygomorphic +
Corolla coloration
whitish +
Corolla presence
absent +
Corolla shape
tubular +  and more or less filiform +
Corolla some measurement
0.25 cm2.5 mm <br />0.0025 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
Cypsela architecture
monomorphic +
Cypsela architecture or pubescence or relief
smooth +
Cypsela architecture or shape
beaked +
Cypsela growth form
dimorphic +
Cypsela pubescence
villous +, strigillose +, hispidulous +, glabrous +  and warty +
Cypsela relief
scabrellous +  and tuberculate +
Cypsela shape
less obovate +  and elliptic +
Cypsela some measurement
3mm;8mm +
Disc floret architecture
staminate +
Disc floret quantity
5 (60) +
Disc floret reproduction
fertile +  and bisexual +
Distribution
Ariz. +, Calif. +, Colo. +, Nev. +, N.Mex. +, Utah +, Mexico (Baja California) +  and Mexico (Sonora) +
Elevation
-20–1700 m +
Embryo course
straight +
Face architecture or pubescence or relief
smooth +
Face pubescence
sericeous +  and strigillose +
Face pubescence or relief
warty +
Filament fusion
distinct +
Floret architecture
staminate +
Floret atypical quantity
0;1 +
Floret position
proximal +
Floret quantity
5;15 +
Floret reproduction
bisexual +
Fruit architecture
winged +  and beaked +
Fruit condition or texture
dry +
Fruit density
dispersed +
Glomerule arrangement
singly +
Habitat
Alkaline soils, desert washes, flats +
Hair orientation
erect +
Hair relief
coarser +
Head architecture or arrangement
radiate +
Head architecture or shape
discoid +  and disciform +
Head arrangement
in corymbiform , glomerate , paniculiform , racemiform or spiciform , arrays +  and singly +
Head development
indeterminate +
Head reproduction
homogamous +  and heterogamous +
Illustration
Present +
Illustration copyright
Flora of North America Association +
Illustrator
Marjorie C. Leggitt +
Individual head architecture
each +  and sessile +
Inner phyllary pubescence
glandular-pubescent +
Inner phyllary quantity
0 +  and 4 +
Inner phyllary shape
Cucullate (Ultimately obovate) +
Inner phyllary texture
scarious +  and membranous +
Involucre diameter
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Involucre position relational
surrounding +
Involucre shape
less cupshaped;saucer-shaped +
Involucre some measurement
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
Lamina prominence
conspicuous +
Leaf architecture
petiolate +
Leaf arrangement
alternate +  and opposite +
Leaf position
cauline +
Line quantity
2 +
Lobe atypical quantity
3 (5) +
Lobe orientation
incurved;reflexed;incurved;reflexed;erect +
Lobe quantity
5 (?) +
Lobe shape
deltate +
Margin architecture
corky-winged +
Margin architecture or shape
dentate to pinnatifid or palmatifid +  and entire +
Margin shape
toothed +  and entire +
Number of lower taxa
0 +
Outer phyllary atypical quantity
5 (7) +
Outer phyllary growth form or texture
herbaceous +
Outer phyllary pubescence
sericeous +  and strigillose +
Outer phyllary quantity
5 +
Outer phyllary shape
lanceolate +
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 +
Palea pubescence
less villous +  and hispid +
Palea quantity
wanting +
Palea shape
cuneiform;linear +
Palea some measurement
0.18 cm1.8 mm <br />0.0018 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
Palea texture
membranous +
Pappus duration
persistent +
Pappus life cycle
falling +
Pappus presence
absent +
Peduncle some measurement
0.1 cm1 mm <br />0.001 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
Pericarp fragility
tough +
Pericarp width
thick +
Peripheral floret presence
absent +
Peripheral floret quantity
1 (10) +
Petal fusion
connate +
Petiole some measurement
0.5 cm5 mm <br />0.005 m <br /> (2 cm20 mm <br />0.02 m <br />) +
Phenology
Flowering year round, mostly Oct–Feb. +
Phyllary atypical quantity
3 (5) +
Phyllary duration
persistent +
Phyllary fusion
distinct +
Phyllary life cycle
falling +
Phyllary quantity
5 +  and 80 +
Phyllary shape
Lanceovate (Linear) +
Phyllary size
unequal +  and subequal +
Phyllary texture
Herbaceous (Chartaceous) +
Publication title
in W. H. Emory, Rep. U.S. Mex. Bound. +
Publication year
1859 +
Ray-floret architecture
pistillate +
Ray-floret atypical quantity
5 (8) +
Ray-floret presence
absent +
Ray-floret quantity
5 (?) +
Ray-floret reproduction
fertile +
Receptacle architecture
paleate +
Receptacle pubescence
bearing subulate enations +, hairy +  and bristly +
Receptacle shape
convex +
Reference
None +
Root texture
fibrous +
Seed architecture
exalbuminous +
Seed quantity
1 +
Sepal variability
modifed +
Series atypical quantity
8 (12) +
Series quantity
1 +
Source xml
https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V19-20-21/V21 40.xml +
Special status
Illustrated +
Stamen arrangement
alternate +
Stamen atypical quantity
4 (5) +
Stamen quantity
5 +
Stem architecture
branched +
Stem orientation
erect +
Stigmatic papilla presence
absent +
Style-branch architecture
appendaged +  and truncate +
Style architecture
2-branched +
Style pubescence
hirsutulous +  and glabrous +
Style quantity
1 +
Style relief
papillate +
Synonyms
Dicoria brandegeei +, Dicoria canescens subsp. brandegeei +, Dicoria canescens var. brandegeei +, Dicoria canescens subsp. clarkiae +, Dicoria canescens subsp. hispidula +, Dicoria canescens var. hispidula +, Dicoria canescens var. witherillii +, Dicoria clarkiae +  and Dicoria paniculata +
Taxon family
Asteraceae +
Taxon name
Dicoria canescens +
Taxon parent
Dicoria +
Taxon rank
species +
Throat shape
campanulate +  and cylindric +
Tube length or size
longer +
Ultimate margin shape
toothed +  and entire +
Volume
Volume 21 +
Whole-organism duration
perennial +  and annual +
Whole-organism some measurement
10 cm100 mm <br />0.1 m <br /> (90 cm900 mm <br />0.9 m <br />) +
Whole organism atypical some measurement
150 cm1,500 mm <br />1.5 m <br /> (400 cm4,000 mm <br />4 m <br />) +
Whole organism growth form
subshrub +
Whole organism some measurement
3cm (150cm) +
X chromosome quantity
18 +