familyAsteraceae
tribeAsteraceae tribe Astereae
genusEricameria
speciesEricameria nauseosa
varietyEricameria nauseosa var. juncea

Ericameria nauseosa var. juncea

(Greene) G. L. Nesom & G. I. Baird

Phytologia 75: 86. 1993.

Lowell E. Urbatsch, Loran C. Anderson, Roland P. Roberts, Kurt M. Neubig
Common names: Rush rabbitbrush
Endemic
Basionym: Bigelowia juncea Greene Bot. Gaz. 6: 184. 1881 (as Bigelovia)
Synonyms: Chrysothamnus nauseosus var. junceus (Greene) H. M. Hall
Treatment appears in FNA Volume 20. Treatment on page 66. Mentioned on page 63.

Plants 40–70 cm. Stems yellowish green, usually leafless at flowering, compactly tomentose. Leaves yellowish green; blades 1-nerved, filiform, 10–30 × 0.7–1 mm, faces compactly tomentose. Involucres 9.5–12 mm. Phyllaries 22–25, apices erect, acute, abaxial faces tomentose or glabrate. Corollas 7–8.5 mm, tubes hairy, lobes 0.7–0.9 mm, villous; style appendages longer than stigmatic portions. Cypselae hairy; pappi 5.6–7.6 mm. 2n = 18.


Phenology: Flowering late summer–fall.
Habitat: Blackbrush, matchweed, shadscale, and pinyon-juniper communities
Elevation: 1200–1800 m

Distribution

V20-108-distribution-map.gif

Ariz., Nev., Utah.

Discussion

Selected References

None.

Lower Taxa

None.

"fine" is not a number.

... more about "Ericameria nauseosa var. juncea"
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2n chromosome quantity
18 +
Abaxial face coating
resinous +
Abaxial face pubescence
glabrate +  and tomentose +
Anther base shape
not tailed +, rounded +  and obtuse +
Anther dehiscence
introrse +
Anther fusion
connate +
Apex fusion
distinct +
Apex growth form or texture
herbaceous +
Apex orientation
erect +
Apex shape
acute +
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
cymiform +
Array development
indeterminate +  and determinate +
Array shape
rounded +  and flat-topped +
Author
Lowell E. Urbatsch +, Loran C. Anderson +, Roland P. Roberts +  and Kurt M. Neubig +
Authority
(Greene) G. L. Nesom & G. I. Baird +
Band architecture
continuous +
Band quantity
1 +
Base shape
decurrent +
Basionyms
Bigelowia juncea +
Blade architecture
1-nerved +
Blade length
1 cm10 mm <br />0.01 m <br /> (3 cm30 mm <br />0.03 m <br />) +
Blade shape
filiform +
Blade width
0.07 cm0.7 mm <br />7.0e-4 m <br /> (0.1 cm1 mm <br />0.001 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
tan +  and reddish +
Bristle pappus duration
persistent +
Bristle quantity
20;60 +
Bristle shape
Attenuate (?) +
Bristle size
subequal +
Calyculus presence
absent +
Common name
Rush rabbitbrush +
Corolla architecture
not 2-lipped +  and actinomorphic +
Corolla coloration
yellow +
Corolla presence
absent +
Corolla some measurement
0.7 cm7 mm <br />0.007 m <br /> (0.85 cm8.5 mm <br />0.0085 m <br />) +
Cypsela architecture
monomorphic +
Cypsela architecture or shape
5-12-ribbed +
Cypsela coloration
tan +
Cypsela growth form
dimorphic +
Cypsela pubescence
hairy +
Cypsela shape
turbinate +  and cylindric or oblanceoloid +
Cypsela some measurement
3mm;8mm +
Disc-floret atypical quantity
5 (6) +
Disc-floret quantity
5 (?) +
Disc-floret reproduction
fertile +  and bisexual +
Disc floret architecture
staminate +
Disc floret reproduction
fertile +  and bisexual +
Distribution
Ariz. +, Nev. +  and Utah. +
Elevation
1200–1800 m +
Embryo course
straight +
Face arrangement
fascicles +
Face coating
resinous +
Face coloration
gland-dotted +
Face position
axillary +
Face presence
absent +
Face pubescence
tomentose +
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
Blackbrush, matchweed, shadscale, and pinyon-juniper communities +
Head architecture
thyrsiform +, paniculiform +, branched +, racemiform +, cymiform +, discoid +  and radiate +
Head arrangement
singly +
Head development
indeterminate +
Head reproduction
heterogamous +  and homogamous +
Illustration copyright
Flora of North America Association +
Illustrator
John Myers +
Individual head architecture
each +  and sessile +
Involucre length
0.6 cm6 mm <br />0.006 m <br /> (1.6 cm16 mm <br />0.016 m <br />) +
Involucre position relational
surrounding +
Involucre shape
obconic;subcylindric +
Involucre some measurement
0.95 cm9.5 mm <br />0.0095 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
Involucre width
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
Leaf architecture
sessile +  and petiolate +
Leaf arrangement
alternate +
Leaf coloration
yellowish green +
Leaf orientation
usually ascending +  and spreading +
Leaf position
cauline +
Line quantity
2 +
Lobe atypical quantity
4 (5) +
Lobe orientation
erect;spreading or reflexed +
Lobe pubescence
villous +
Lobe quantity
5 (?) +
Lobe shape
deltate +  and triangular +
Lobe some measurement
? (?) +
Margin architecture or shape
entire +
Midnerve prominence
raised +  and evident +
Midnerve size
expanded +
Number of lower taxa
0 +
Outer phyllarie architecture
herbaceous-tipped +
Outer phyllarie growth form or texture
herbaceous +
Outer phyllarie pubescence or texture
chartaceous +
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 coloration
whitish +
Pappus duration
persistent +
Pappus life cycle
falling +
Pappus some measurement
0.56 cm5.6 mm <br />0.0056 m <br /> (0.76 cm7.6 mm <br />0.0076 m <br />) +
Peduncle some measurement
0.1 cm1 mm <br />0.001 m <br /> (2 cm20 mm <br />0.02 m <br />) +
Pericarp fragility
tough +
Pericarp width
thick +
Peripheral floret presence
absent +
Peripheral floret quantity
In 1 (3+ series) +
Petal fusion
connate +
Phenology
Flowering late summer–fall. +
Phyllarie coloration
tan +
Phyllarie duration
persistent +
Phyllarie fusion
distinct +
Phyllarie length
0.15 cm1.5 mm <br />0.0015 m <br /> (1.4 cm14 mm <br />0.014 m <br />) +
Phyllarie life cycle
falling +
Phyllarie pubescence or texture
chartaceous +
Phyllarie quantity
22 (25) +
Phyllarie shape
ovate +  and lanceolate +
Phyllarie size
unequal +
Phyllarie texture
Herbaceous (Chartaceous or scarious) +
Phyllarie width
0.07 cm0.7 mm <br />7.0e-4 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
Publication title
Phytologia +
Publication year
1993 +
Ray-floret architecture
pistillate +
Ray-floret presence
absent +
Ray-floret quantity
1 (18) +
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;5 +
Source xml
https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V19-20-21/V20 108.xml +
Special status
Endemic +
Stamen arrangement
alternate +
Stamen atypical quantity
4 (5) +
Stamen quantity
5 +
Stem architecture
leafless +
Stem coating
resinous +
Stem coloration
yellowish green +
Stem growth form or orientation
prostrate +
Stem orientation
ascending +  and spreading +
Stem pubescence
tomentose +
Style-branch appendage shape
lanceolate +  and subulate +
Style-branch architecture
appendaged +  and truncate +
Style appendage length or size
longer +
Style architecture
2-branched +
Style pubescence
glabrous +
Style quantity
1 +
Style relief
papillate +  and smooth +
Synonyms
Chrysothamnus nauseosus var. junceus +
Taxon family
Asteraceae +
Taxon name
Ericameria nauseosa var. juncea +
Taxon parent
Ericameria nauseosa +
Taxon rank
variety +
Throat shape
campanulate +
Tube height or length or size
shorter +
Tube pubescence
hairy +
Volume
Volume 20 +
Whole-organism duration
perennial +, biennial +  and annual +
Whole organism growth form
plant +
Whole organism some measurement
40cm (70cm) +
X chromosome quantity
9 +