familyAsteraceae
tribeAsteraceae tribe Senecioneae
genusPackera
speciesPackera subnuda
varietyPackera subnuda var. subnuda

Packera subnuda var. subnuda

Debra K. Trock
IllustratedEndemic
Synonyms: Packera ovina (Greene) J. F. Bain S. ovinus Greene
Treatment appears in FNA Volume 20. Treatment on page 600.
Please click on the illustration for a higher resolution version.
Illustrator: Linny Heagy

Copyright: Flora of North America Association

Basal leaves: bases ± tapering. Heads 1 (–3). Phyllaries green (tips sometimes red), glabrous. 2n = 46.


Phenology: Flowering late Jun–late Aug.
Habitat: Damp or marshy alpine and subalpine meadows, lake shores, stream banks
Elevation: 1700–3000 m

Distribution

V20-1346-distribution-map.gif

Alta., B.C., Calif., Idaho, Mont., Nev., Oreg., Wash., Wyo.

Discussion

Plants of Packera subnuda var. subnuda are scapiform and usually have a single head.

Selected References

None.

Lower Taxa

None.
... more about "Packera subnuda var. subnuda"
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2n chromosome quantity
46 +
Anther base shape
not tailed +, rounded +  and obtuse +
Anther dehiscence
introrse +
Anther fusion
connate +
Apex relief
papillate +
Apex shape
truncate-penicillate +
Apex texture
scarious +
Apical appendage shape
usually ovate +  and lance-linear +
Appendage pubescence
hispidulous +
Appendage relief
papillate +
Array architecture
congested +  and open corymbiform cymiform or subumbelliform +
Array architecture or arrangement
compact +
Array development
indeterminate +  and determinate +
Author
Debra K. Trock +
Authority
(de Candolle) Trock & T. M. Barkley +
Band architecture
continuous +
Band quantity
1 +
Basal leaf architecture
petiolate +
Base condition or size
contracted +
Base shape
tapering +
Basionyms
Senecio subnudus +
Blade architecture
nerved +
Blade length
2 cm20 mm <br />0.02 m <br /> (4 cm40 mm <br />0.04 m <br />) +
Blade shape
elliptic;obovate;elliptic;obovate;ovate +
Blade width
1 cm10 mm <br />0.01 m <br /> (3 cm30 mm <br />0.03 m <br />) +
Body architecture
winged;nerved;ribbed +
Bractlet quantity
1;15 +
Branch arrangement or course or shape
linear +
Branch structure in adjective form
stigmatic +
Bristle architecture
barbellulate +
Bristle coloration
white +
Bristle pappus duration
persistent +
Calyculus presence
absent +
Calyculus quantity
1 (5) +
Cauline leaf size
reduced +
Corolla-tube distance
0.25 cm2.5 mm <br />0.0025 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
Corolla architecture
not 2-lipped +
Corolla coloration
pale-yellow +  and deep orange-red +
Corolla lamina some measurement
0.7 cm7 mm <br />0.007 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
Cypsela architecture
monomorphic +
Cypsela architecture or shape
5-10-ribbed +
Cypsela pubescence
glabrous +
Cypsela shape
cylindric +
Cypsela some measurement
1.5mm;2.5mm +
Disc-floret quantity
40 (55) +
Disc-floret reproduction
fertile +  and bisexual +
Disc floret architecture
staminate +
Disc floret reproduction
fertile +  and bisexual +
Distribution
Alta. +, B.C. +, Calif. +, Idaho +, Mont. +, Nev. +, Oreg. +, Wash. +  and Wyo. +
Elevation
1700–3000 m +
Embryo course
straight +
Filament fusion
distinct +
Floret architecture
pistillate +, staminate +  and neuter +
Floret atypical quantity
5;15 +
Floret position
proximal +
Floret quantity
1;5 +
Floret reproduction
bisexual +
Fruit architecture
winged +  and beaked +
Fruit condition or texture
dry +
Fruit density
dispersed +
Habitat
Damp or marshy alpine and subalpine meadows, lake shores, stream banks +
Head architecture
discoid +  and radiate +
Head arrangement
in compact or congested to open corymbiform cymiform or subumbelliform , , , arrays +  and singly +
Head atypical quantity
1 (3) +
Head development
indeterminate +
Head quantity
1 +
Head reproduction
heterogamous +  and homogamous +
Illustration
Present +
Illustration copyright
Flora of North America Association +
Illustrator
Linny Heagy +
Individual head architecture
each +  and sessile +
Involucre diameter
0.5 cm5 mm <br />0.005 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
Involucre position relational
surrounding +
Involucre shape
campanulate;cylindric +
Leaf architecture
sessile +  and petiolate +
Leaf arrangement
alternate +
Leaf position
cauline +  and basal +
Limb some measurement
2.5mm;3.5mm +
Line quantity
2 +
Lobe atypical quantity
4 (5) +
Lobe orientation
erect;recurved +
Lobe quantity
5 (?) +
Lobe shape
deltate +
Margin architecture or shape
dentate to pinnatifid +  and entire +
Margin shape
subentire +  and crenate-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 life cycle
falling +
Pappus some measurement
0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
Peduncle architecture
ebracteate +  and bracteate +
Peduncle pubescence
glabrous +
Pericarp fragility
tough +
Pericarp width
thick +
Peripheral floret presence
absent +
Peripheral floret quantity
In 1 (3+ series) +
Petal fusion
connate +
Phenology
Flowering late Jun–late Aug. +
Phyllarie atypical quantity
13 (21) +
Phyllarie coloration
green +
Phyllarie duration
persistent +
Phyllarie fusion
distinct +
Phyllarie growth form or texture
herbaceous +
Phyllarie life cycle
falling +
Phyllarie orientation
erect +
Phyllarie pubescence
glabrous +
Phyllarie quantity
21 (?) +
Phyllarie shape
linear +  and ensiform +
Phyllarie size
subequal +
Phyllarie some measurement
0.5 cm5 mm <br />0.005 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
Phyllarie texture
Herbaceous (Chartaceous) +
Phyllarie variability
equal +
Publication title
Sida +
Publication year
1999 +
Ray-floret architecture
pistillate +
Ray-floret atypical quantity
1 (5) +
Ray-floret presence
absent +
Ray-floret quantity
13 (?) +
Ray-floret reproduction
fertile +
Receptacle architecture
epaleate +
Receptacle prominence or shape
flat +
Receptacle pubescence
bearing subulate enations +, hairy +  and bristly +
Receptacle relief
foveolate +
Receptacle shape
conic;usually flat;convex +
Reference
None +
Root texture
fibrous +
Seed architecture
exalbuminous +
Seed quantity
1 +
Sepal variability
modifed +
Series atypical quantity
1 (2) +
Series quantity
1;2 +
Source xml
https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V19-20-21/V20 1346.xml +
Special status
Illustrated +  and Endemic +
Stamen arrangement
alternate +
Stamen atypical quantity
4 (5) +
Stamen quantity
5 +
Stem arrangement or growth form
clustered +
Stem orientation
prostrate +  and ascending +
Stem pubescence
glabrous +
Stem quantity
2 +  and 3 +
Style-branch architecture
appendaged +  and truncate +
Style-branch structure in adjective form
stigmatic +
Style architecture
2-branched +
Style pubescence
glabrous +
Style quantity
1 +
Style relief
papillate +
Synonyms
Packera ovina +  and S. ovinus +
Taxon family
Asteraceae +
Taxon name
Packera subnuda var. subnuda +
Taxon parent
Packera subnuda +
Taxon rank
variety +
Throat shape
campanulate +
Throat variability
equaling +
Tube height or length or size
shorter +
Ultimate margin architecture or shape
dentate +
Ultimate margin shape
serrate +  and denticulate +
Volume
Volume 20 +
Whole-organism architecture
rhizomatous +  and fibrous-rooted +
Whole-organism duration
perennial +
Whole-organism some measurement
10 cm100 mm <br />0.1 m <br /> (30 cm300 mm <br />0.3 m <br />) +
Whole organism growth form
vine +, tree +, shrub +  and subshrub +
X chromosome quantity
23 +, 22 +  and 20 +