familyAsteraceae
tribeAsteraceae tribe Astereae
genusStenotus
speciesStenotus armerioides
varietyStenotus armerioides var. armerioides

Stenotus armerioides var. armerioides

Caleb A. Morse
Treatment appears in FNA Volume 20. Treatment on page 176. Mentioned on page 175.

Stems (2–) 10–29 cm. Leaves: petioles slender; blades 3-nerved, linear to narrowly oblanceolate or spatulate, 17–90 × (1.5–) 3–7 (–12) mm, bases attenuate, margins ciliolate, faces glabrous, gland-dotted, viscid. Heads 1–2 (–4). 2n = 18.


Phenology: Flowering mid spring; fruiting early summer.
Habitat: High plains grasslands and badlands, sagebrush steppe, pinyon-juniper woodlands, sandstone and limestone soils
Elevation: 700–2700 m

Distribution

V20-382-distribution-map.gif

Sask., Ariz., Colo., Kans., Mont., Nebr., N.Mex., N.Dak., S.Dak., Utah, Wyo.

Discussion

Selected References

None.

Lower Taxa

None.

"fine" is not a number.

... more about "Stenotus armerioides var. armerioides"
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2n chromosome quantity
18 +
Abaxial face coating
viscid +
Abaxial face pubescence
stipitate-glandular +  and villous +
Anther base shape
not tailed +, rounded +  and obtuse +
Anther dehiscence
introrse +
Anther fusion
connate +
Anther some measurement
0.18 cm1.8 mm <br />0.0018 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
Apex architecture or shape
apiculate +
Apex coating
viscid +
Apex fusion
distinct +
Apex growth form or texture
herbaceous +
Apex shape
obtuse;rounded +
Apex size
subequal +
Apex texture
scarious +
Apical appendage quantity
0 +
Apical appendage shape
usually triangular +  and linear +
Appendage pubescence
hirsute +
Appendage relief
papillate +
Appendage shape
usually deltate +  and lanceolate +
Array architecture
corymbiform +
Array development
indeterminate +  and determinate +
Author
Caleb A. Morse +
Authority
Nuttall +
Band architecture
continuous +
Band quantity
1 +
Base shape
attenuate +
Blade architecture
3-nerved +
Blade atypical width
0.7 cm7 mm <br />0.007 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
Blade length
1.7 cm17 mm <br />0.017 m <br /> (9 cm90 mm <br />0.09 m <br />) +
Blade shape
linear;narrowly oblanceolate or spatulate +
Blade texture
rigid +
Blade width
0.3 cm3 mm <br />0.003 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
Body architecture or pubescence or relief
smooth +
Body architecture or shape
ribbed +
Body relief
rugulose +  and muricate +
Branch arrangement or course or shape
linear +
Branch structure in adjective form
stigmatic +
Bristle architecture
barbellate +
Bristle coloration
whitish +
Bristle pappus duration
persistent +
Bristle quantity
30;75 +
Bristle shape
Attenuate (?) +
Calyculus presence
absent +
Corolla architecture
not 2-lipped +  and actinomorphic +
Corolla coloration
yellow +
Corolla presence
absent +
Corolla shape
vase--shaped +
Corolla some measurement
0.4 cm4 mm <br />0.004 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
Cypsela architecture
6-12-nerved +
Cypsela architecture or shape
beaked +, 2-ribbed +  and 5-ribbed +
Cypsela growth form
dimorphic +
Cypsela quantity
1/2 +  and 3/4 +
Cypsela shape
flattened +, less prismatic +  and oblanceoloid or linear +
Cypsela some measurement
2mm;6mm +
Disc-floret quantity
21 (39) +
Disc-floret reproduction
fertile +  and bisexual +
Disc corolla variability
equaling +
Disc floret architecture
staminate +
Disc floret reproduction
fertile +  and bisexual +
Distribution
Sask. +, Ariz. +, Colo. +, Kans. +, Mont. +, Nebr. +, N.Mex. +, N.Dak. +, S.Dak. +, Utah +  and Wyo. +
Elevation
700–2700 m +
Embryo course
straight +
Face coating
viscid +
Face coloration
gland-dotted +
Face lengths
sericeous +
Face pubescence
glabrous +
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
High plains grasslands and badlands, sagebrush steppe, pinyon-juniper woodlands, sandstone and limestone soils +
Head architecture or arrangement
radiate +
Head arrangement
singly +
Head atypical quantity
2 (4) +
Head development
indeterminate +
Head quantity
1;2 +
Head reproduction
heterogamous +  and homogamous +
Illustration copyright
Flora of North America Association +
Illustrator
Yevonn Wilson-Ramsey +
Individual head architecture
each +  and sessile +
Inner phyllarie length
0.55 cm5.5 mm <br />0.0055 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Inner phyllarie pubescence or texture
chartaceous +
Inner phyllarie shape
oblong +
Inner phyllarie texture
indurate +
Inner phyllarie width
0.15 cm1.5 mm <br />0.0015 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
Involucre atypical quantity
6 (9) +
Involucre atypical some measurement
0.5 cm5 mm <br />0.005 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
Involucre length
0.8 cm8 mm <br />0.008 m <br /> (2.1 cm21 mm <br />0.021 m <br />) +
Involucre position relational
surrounding +
Involucre quantity
9 (28) +
Involucre shape
campanulate;hemispheric +
Involucre some measurement
0.6 cm6 mm <br />0.006 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
Involucre width
0.6 cm6 mm <br />0.006 m <br /> (1.4 cm14 mm <br />0.014 m <br />) +
Lamina length
5.5mm;18.5mm +
Lamina shape
elliptic +  and oblong +
Lamina width
2mm;6mm +
Leaf architecture
petiolate +
Leaf arrangement
alternate +
Leaf condition
marcescent +
Leaf position
basal +
Line quantity
2 +
Lobe atypical quantity
4 (5) +
Lobe length
1/8 length of corollas (1/6 length of corollas) +
Lobe orientation
erect +
Lobe quantity
5 (?) +
Lobe shape
triangular +
Lobe some measurement
? (?) +
Margin architecture
eglandular +
Margin architecture or pubescence or shape
ciliate +
Margin architecture or shape
entire +
Margin pubescence
ciliolate +
Margin shape
fimbriate +  and entire +
Margin texture
scarious +
Number of lower taxa
0 +
Outer phyllarie atypical width
0.4 cm4 mm <br />0.004 m <br /> (0.75 cm7.5 mm <br />0.0075 m <br />) +
Outer phyllarie length
0.3 cm3 mm <br />0.003 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
Outer phyllarie shape
Ovate (Oblong) +
Outer phyllarie width
0.15 cm1.5 mm <br />0.0015 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
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 bristle quantity
60 +  and 75 +
Pappus bristle some measurement
0.35 cm3.5 mm <br />0.0035 m <br /> (0.75 cm7.5 mm <br />0.0075 m <br />) +
Pappus duration
persistent +
Peduncle architecture or pubescence or relief
smooth +
Peduncle coating
viscid +
Peduncle some measurement
1 cm10 mm <br />0.01 m <br /> (13 cm130 mm <br />0.13 m <br />) +
Pericarp fragility
tough +
Pericarp width
thick +
Peripheral floret presence
absent +
Peripheral floret quantity
In 1 (3+ series) +
Petal fusion
connate +
Petiole size
slender +
Phenology
Flowering mid spring +  and fruiting early summer. +
Phyllarie architecture
1-nerved +
Phyllarie atypical quantity
37 (64) +
Phyllarie duration
persistent +
Phyllarie fusion
distinct +
Phyllarie life cycle
falling +
Phyllarie quantity
12 (26) +
Phyllarie shape
oblong +  and broadly oblanceolate +
Phyllarie size
unequal +
Phyllarie texture
Herbaceous (Chartaceous) +
Phyllarie variability
equal +
Portion coloration
green +
Publication title
Trans. Amer. Philos. Soc., n. s. +
Publication year
1840 +
Ray-floret architecture
pistillate +
Ray-floret atypical quantity
0 (?) +
Ray-floret presence
absent +
Ray-floret quantity
5 (15) +
Ray-floret reproduction
fertile +
Receptacle architecture
epaleate +
Receptacle pubescence
bearing subulate enations +, hairy +  and bristly +
Receptacle relief
pitted +
Receptacle shape
convex +
Reference
None +
Root texture
fibrous +
Seed architecture
exalbuminous +
Seed quantity
1 +
Sepal variability
modifed +
Series atypical quantity
1 (2) +
Series quantity
3 +
Source xml
https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V19-20-21/V20 382.xml +
Special status
Endemic +
Stamen arrangement
alternate +
Stamen atypical quantity
4 (5) +
Stamen quantity
5 +
Stem architecture
eglandular +
Stem atypical some measurement
2 cm20 mm <br />0.02 m <br /> (10 cm100 mm <br />0.1 m <br />) +
Stem coating
viscid +
Stem orientation
erect +
Stem pubescence
glabrous +
Stem pubescence or relief
scabrous +
Stem some measurement
10 cm100 mm <br />0.1 m <br /> (29 cm290 mm <br />0.29 m <br />) +
Stigmatic line quantity
1/2 +  and 3/4 +
Stigmatic line some measurement
0.06 cm0.6 mm <br />6.0e-4 m <br /> (0.19 cm1.9 mm <br />0.0019 m <br />) +
Style-branch appendage length
0.12 cm1.2 mm <br />0.0012 m <br /> (0.23 cm2.3 mm <br />0.0023 m <br />) +
Style-branch appendage shape
subulate +  and lanceolate +
Style-branch appendage width
0.5 +
Style-branch architecture
appendaged +  and truncate +
Style architecture
2-branched +
Style pubescence
glabrous +
Style quantity
1 +
Style relief
papillate +  and smooth +
Synonyms
Haplopappus armerioides +
Taproot fragility or size
stout +
Taxon family
Asteraceae +
Taxon name
Stenotus armerioides var. armerioides +
Taxon parent
Stenotus armerioides +
Taxon rank
variety +
Throat size
ampliate +
Tube height or length or size
shorter +
Tube pubescence
hairy +  and glabrous +
Tube shape
vase--shaped +
Viscid-glandular vein prominence
raised +
Volume
Volume 20 +
Whole-organism atypical some measurement
30 cm300 mm <br />0.3 m <br /> (60 cm600 mm <br />0.6 m <br />) +
Whole-organism duration
perennial +
Whole-organism some measurement
2 cm20 mm <br />0.02 m <br /> (30 cm300 mm <br />0.3 m <br />) +
Whole organism growth form
plant +  and cespitose +
Whole organism some measurement
2cm (29cm) +
X chromosome quantity
9 +