familyAsteraceae
tribeAsteraceae tribe Heliantheae
subtribeAsteraceae (tribe Heliantheae) subtribe Gaillardiinae
genusTetraneuris
speciesTetraneuris acaulis
varietyTetraneuris acaulis var. arizonica

Tetraneuris acaulis var. arizonica

(Greene) K. F. Parker

Phytologia 45: 467. 1980.

Mark W. Bierner, Billie L. Turner
Endemic
Basionym: Tetraneuris arizonica Greene Pittonia 3: 266. 1898
Synonyms: Hymenoxys acaulis var. arizonica (Greene) K. F. Parker Hymenoxys acaulis var. nana S. L. Welsh T. acaulis var. nana (S. L. Welsh) Kartesz & Gandhi
Treatment appears in FNA Volume 21. Treatment on page 453. Mentioned on page 451, 452.

Plants (2–) 6–15 (–30+) cm. Leaves: blades spatulate or oblanceolate to linear-oblanceolate, glabrous or moderately to densely hairy (not strigoso-canescent or sericeous), densely glanddotted. Heads 1–20 (–35) per plant. Peduncles (1–) 5–15 (–30) cm. Outer phyllaries 7–10, 3.9–6.5 mm, margins 0–0.3 (–0.4) mm wide, often slightly scarious, abaxial faces sparsely to usually moderately to sometimes densely hairy. Ray-florets 9–15; corollas 11–17 mm. Cypselae 3–3.7 mm; pappi 2–3.5 mm. 2n = 28, 30, 56, 60.


Phenology: Flowering (Apr–)May–Jul(–Sep).
Habitat: Roadsides, hillsides, grasslands, edges of woods, aspen meadows
Elevation: 1300–2900 m

Distribution

V21-1136-distribution-map.gif

Ariz., Calif., Colo., Idaho, Nev., Utah.

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Tetraneuris acaulis var. arizonica"
RDF feed
2n chromosome quantity
60 +, 56 +, 30 +  and 28 +
Abaxial face pubescence
hairy +
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
paniculiform +  and corymbiform +
Array arrangement
fastigiate +
Array development
indeterminate +  and determinate +
Author
Mark W. Bierner +  and Billie L. Turner +
Authority
(Greene) K. F. Parker +
Band architecture
continuous +
Band quantity
1 +
Base shape
decurrent +
Basionyms
Tetraneuris arizonica +
Blade architecture
more or less +  and eglandular +
Blade architecture or shape
entire +
Blade pubescence
glabrous or +  and moderately densely hairy +
Blade shape
oblanceolate;linear-oblanceolate +
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 size or width
thickened +
Branch structure in adjective form
stigmatic +
Bristle architecture
barbellulate +  and barbellate +
Bristle quantity
35;150 +
Bristle shape
Plumose (?) +
Calyculus presence
absent +
Calyculus quantity
Of 1 (15+ bractlets) +
Caudex architecture
branched +
Corolla architecture
zygomorphic +
Corolla coloration
yellow +
Corolla some measurement
1.1 cm11 mm <br />0.011 m <br /> (1.7 cm17 mm <br />0.017 m <br />) +
Cypsela architecture
monomorphic +
Cypsela architecture or shape
beaked +
Cypsela growth form
dimorphic +
Cypsela pubescence
hairy +
Cypsela shape
obpyramidal +
Cypsela some measurement
3mm;3.7mm +
Disc-floret architecture
staminate +
Disc-floret quantity
25 (200) +
Disc-floret reproduction
fertile +  and bisexual +
Disc floret architecture
staminate +
Disc floret reproduction
fertile +  and bisexual +
Distribution
Ariz. +, Calif. +, Colo. +, Idaho +, Nev. +  and Utah. +
Elevation
1300–2900 m +
Embryo course
straight +
Face architecture
more or less +  and eglandular +
Face pubescence
hairy +  and 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 +
Glomerule architecture
corymbiform +
Glomerule arrangement
singly +
Habitat
Roadsides, hillsides, grasslands, edges of woods, aspen meadows +
Head architecture
discoid +  and radiate +
Head arrangement
singly +
Head atypical quantity
20 (35) +
Head development
indeterminate +
Head quantity
1;20 +
Head reproduction
homogamous +  and heterogamous +
Illustration copyright
Flora of North America Association +
Illustrator
Yevonn Wilson-Ramsey +
Individual head architecture
each +  and sessile +
Involucre diameter
0.6 cm6 mm <br />0.006 m <br /> (2 cm20 mm <br />0.02 m <br />) +
Involucre length
0.7 cm7 mm <br />0.007 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
Involucre position relational
surrounding +
Involucre shape
hemispheric;campanulate +
Involucre width
0.8 cm8 mm <br />0.008 m <br /> (1.6 cm16 mm <br />0.016 m <br />) +
Leaf architecture
sessile +  and petiolate +
Leaf arrangement
alternate +
Leaf arrangement or growth form
clustered +
Leaf life cycle
new +
Leaf position
basal-proximal +
Line quantity
2 +
Lobe atypical quantity
3 (5) +
Lobe quantity
5 (?) +
Lobe shape
deltate +
Margin architecture or shape
dentate to pinnatifid or palmatifid +  and entire +
Margin texture
scarious +
Margin width
0mm +  and 0.3mm +
Number of lower taxa
0 +
Outer phyllary atypical some measurement
0.9 cm9 mm <br />0.009 m <br /> (1.15 cm11.5 mm <br />0.0115 m <br />) +
Outer phyllary fusion
connate +  and distinct +
Outer phyllary quantity
7 +  and 10 +
Outer phyllary shape
ovate +, oblong +, oblanceolate +, linear +, lanceolate +  and elliptic +
Outer phyllary size
unequal +  and subequal +
Outer phyllary some measurement
0.39 cm3.9 mm <br />0.0039 m <br /> (0.65 cm6.5 mm <br />0.0065 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 duration
persistent +
Pappus life cycle
falling +
Pappus some measurement
0.2 cm2 mm <br />0.002 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
Peduncle atypical some measurement
15 cm150 mm <br />0.15 m <br /> (30 cm300 mm <br />0.3 m <br />) +
Peduncle pubescence
hairy +
Peduncle some measurement
5 cm50 mm <br />0.05 m <br /> (15 cm150 mm <br />0.15 m <br />) +
Pericarp fragility
tough +
Pericarp width
thick +
Peripheral floret presence
absent +
Peripheral floret quantity
In 1 (3+ series) +
Petal fusion
connate +
Phenology
Flowering (Apr–)May–Jul(–Sep). +
Phyllary duration
persistent +
Phyllary fusion
distinct +
Phyllary life cycle
falling +
Phyllary quantity
11 +  and 60 +
Phyllary size
unequal +
Phyllary texture
Herbaceous (Chartaceous) +
Publication title
Phytologia +
Publication year
1980 +
Ray-floret architecture
pistillate +
Ray-floret atypical quantity
15 (21) +
Ray-floret presence
absent +
Ray-floret quantity
9 (15) +
Ray-floret reproduction
fertile +
Receptacle architecture
epaleate +
Receptacle architecture or pubescence or relief
smooth +
Receptacle pubescence
bearing subulate enations +, hairy +  and bristly +
Receptacle relief
pitted +
Receptacle shape
hemispheric;conic +
Reference
None +
Root texture
fibrous +
Scale presence
absent +
Scale quantity
5 +  and 8 +
Scale shape
aristate +, obovate +  and oblanceolate +
Scale some measurement
0.22 cm2.2 mm <br />0.0022 m <br /> (0.37 cm3.7 mm <br />0.0037 m <br />) +
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/V21 1136.xml +
Special status
Endemic +
Stamen arrangement
alternate +
Stamen atypical quantity
4 (5) +
Stamen quantity
5 +
Stem architecture
unbranched +
Stem atypical quantity
35 (?) +  and 60 (?) +
Stem orientation
erect +
Stem quantity
1 +  and 35 +
Style-branch architecture
appendaged +  and truncate +
Style architecture
2-branched +
Style pubescence
hirsutulous +  and glabrous +
Style quantity
1 +
Style relief
papillate +
Synonyms
Hymenoxys acaulis var. arizonica +, Hymenoxys acaulis var. nana +  and T. acaulis var. nana +
Taxon family
Asteraceae +
Taxon name
Tetraneuris acaulis var. arizonica +
Taxon parent
Tetraneuris acaulis +
Taxon rank
variety +
Throat shape
urceolate +  and campanulate +
Tube height or length or size
shorter +
Tube shape
dilated +
Tube variability
equaling +
Ultimate margin architecture or shape
entire +
Ultimate margin shape
toothed +
Volume
Volume 21 +
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 atypical some measurement
15 cm150 mm <br />0.15 m <br /> (30 cm300 mm <br />0.3 m <br />) +
Whole organism growth form
plant +
Whole organism some measurement
6cm (15cm) +
X chromosome quantity
15 +