familyAsteraceae
tribeAsteraceae tribe Senecioneae
genusTetradymia
speciesTetradymia axillaris
varietyTetradymia axillaris var. longispina

Tetradymia axillaris var. longispina

(M. E. Jones) Strother

Brittonia 26: 197. 1974.

John L. Strother
Endemic
Basionym: Tetradymia spinosa var. longispina M. E. Jones Proc. Calif. Acad. Sci., ser. 2, 5: 698. 1895
Synonyms: Tetradymia longispina (M. E. Jones) Rydberg
Treatment appears in FNA Volume 20. Treatment on page 632.

Peduncles and phyllaries tomentose to pannose, canescent. Cypselae: hairs 9–14 mm. 2n = 60, 62.


Phenology: Flowering spring.
Habitat: Sandy soils, creosote bush scrub, Joshua tree woodlands, pinyon-juniper woodlands, sagebrush scrub
Elevation: 600–1800 m

Distribution

V20-1424-distribution-map.gif

Calif., Nev., Utah.

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Tetradymia axillaris var. longispina"
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2n chromosome quantity
62 +  and 60 +
Anther base shape
not tailed +, rounded +  and obtuse +
Anther dehiscence
introrse +
Anther fusion
connate +
Apex relief
papillate +
Apex shape
truncate-penicillate;usually truncate;rounded-truncate +
Apex texture
scarious +
Apical appendage shape
usually ovate +  and lance-linear +
Appendage pubescence
hispidulous +
Appendage relief
papillate +
Array architecture
spiciform +, racemiform +, paniculiform +  and corymbiform +
Array development
indeterminate +  and determinate +
Author
John L. Strother +
Authority
(M. E. Jones) Strother +
Band architecture
continuous +
Band quantity
1 +
Base shape
decurrent +
Basionyms
Tetradymia spinosa var. longispina +
Blade architecture
nerved +
Blade shape
linear;filiform narrowly lanceolate or oblanceolate +
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 +  and smooth +
Bristle pappus duration
persistent +
Bristle quantity
70;150 +
Calyculus presence
absent +
Calyculus quantity
Of 1 (15+ bractlets) +
Corolla architecture
not 2-lipped +
Corolla coloration
pale-yellow +
Corolla some measurement
0.75 cm7.5 mm <br />0.0075 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
Cypsela architecture
monomorphic +
Cypsela architecture or shape
5-ribbed +
Cypsela pubescence
pilose +
Cypsela shape
prismatic +  and obconic or fusiform +
Cypsela some measurement
4.5mm;5.5mm +
Disc-floret quantity
4 (9) +
Disc-floret reproduction
fertile +  and bisexual +
Disc floret architecture
staminate +
Disc floret reproduction
fertile +  and bisexual +
Distribution
Calif. +, Nev. +  and Utah. +
Elevation
600–1800 m +
Embryo course
straight +
Face pubescence
glabrescent +, lanate +  and tomentose +
Filament fusion
distinct +
Floret architecture
pistillate +, staminate +  and neuter +
Floret atypical quantity
5;15 +
Floret position
proximal +
Floret quantity
5;7 +
Floret reproduction
bisexual +
Fruit architecture
winged +  and beaked +
Fruit condition or texture
dry +
Fruit density
dispersed +
Habitat
Sandy soils, creosote bush scrub, Joshua tree woodlands, pinyon-juniper woodlands, sagebrush scrub +
Hair some measurement
0.9 cm9 mm <br />0.009 m <br /> (1.4 cm14 mm <br />0.014 m <br />) +
Head architecture or shape
discoid +
Head arrangement
singly +
Head atypical quantity
3 (8) +
Head development
indeterminate +
Head quantity
1;3 +
Head reproduction
heterogamous +  and homogamous +
Illustration copyright
Flora of North America Association +
Illustrator
Yevonn Wilson-Ramsey +
Individual head architecture
each +  and sessile +
Involucre diameter
0.3 cm3 mm <br />0.003 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Involucre position relational
surrounding +
Involucre shape
turbinate;campanulate +
Involucre some measurement
0.7 cm7 mm <br />0.007 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
Leaf architecture
sessile +
Leaf arrangement
alternate +
Leaf position
cauline +
Line quantity
2 +
Lobe atypical quantity
4 (5) +
Lobe orientation
recurved +
Lobe quantity
5 (?) +
Lobe shape
linear +  and lanceolate +
Margin architecture or shape
entire +
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 presence
absent +
Pappus quantity
25 +
Pappus shape
subulate +  and setiform +
Peduncle pubescence
canescent +, tomentose +  and pannose +
Peduncle some measurement
0.4 cm4 mm <br />0.004 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
Pericarp fragility
tough +
Pericarp width
thick +
Peripheral floret presence
absent +
Peripheral floret quantity
In 1 (3+ series) +
Petal fusion
connate +
Phenology
Flowering spring. +
Phyllarie duration
persistent +
Phyllarie fusion
distinct +
Phyllarie growth form or texture
herbaceous +
Phyllarie life cycle
falling +
Phyllarie orientation
erect +
Phyllarie pubescence
canescent +, tomentose +  and pannose +
Phyllarie quantity
5 (?) +
Phyllarie shape
ovate +
Phyllarie size
subequal +
Phyllarie texture
Herbaceous (Chartaceous) +
Phyllarie variability
equal +
Primary some measurement
1 cm10 mm <br />0.01 m <br /> (5 cm50 mm <br />0.05 m <br />) +
Publication title
Brittonia +
Publication year
1974 +
Ray-floret architecture
styliferous +, neuter +  and pistillate +
Ray-floret presence
absent +
Ray-floret quantity
In 1( (2+) series) +
Ray-floret reproduction
sterile +  and 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 +
Scale coloration
white;stramineous +
Scale shape
subulate +  and setiform +
Scale some measurement
0.6 cm6 mm <br />0.006 m <br /> (0.75 cm7.5 mm <br />0.0075 m <br />) +
Secondary atypical some measurement
1.2 cm12 mm <br />0.012 m <br /> (2 cm20 mm <br />0.02 m <br />) +
Secondary pubescence
glabrous +  and arachnose +
Secondary shape
filiform +  and clavate +
Secondary some measurement
0.2 cm2 mm <br />0.002 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
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 1424.xml +
Special status
Endemic +
Spine course
straight +
Spine orientation
squarrose +
Stamen arrangement
alternate +
Stamen atypical quantity
4 (5) +
Stamen quantity
5 +
Stem architecture or shape
spiny +
Stem orientation
spreading +  and erect +
Stem pubescence
pannose +
Stem quantity
1 +  and 5 +
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
Tetradymia longispina +
Taxon family
Asteraceae +
Taxon name
Tetradymia axillaris var. longispina +
Taxon parent
Tetradymia axillaris +
Taxon rank
variety +
Throat shape
dilated +
Tube length or size
longer +
Volume
Volume 20 +
Whole-organism duration
perennial +  and annual +
Whole organism growth form
shrub +
Whole organism some measurement
50cm (150cm) +
X chromosome quantity
30 +