familyAsteraceae
tribeAsteraceae tribe Anthemideae
genusArtemisia
subgenusArtemisia subg. Drancunculus
speciesArtemisia campestris
subspeciesArtemisia campestris subsp. pacifica

Artemisia campestris subsp. pacifica

(Nuttall) H. M. Hall & Clements

Publ. Carnegie Inst. Wash. 326: 122. 1923.

Leila M. Shultz
Common names: Western sagewort
Endemic
Basionym: Artemisia pacifica Nuttall Trans. Amer. Philos. Soc., n. s. 7: 401. 1841
Synonyms: Artemisia campestris var. petiolata S. L. Welsh Artemisia campestris var. scouleriana (Besser) Cronquist Artemisia desertorum var. scouleriana Besser Oligosporus campestris subsp. pacificus (Nuttall) W. A. Weber Oligosporus pacificus
Treatment appears in FNA Volume 19. Treatment on page 508. Mentioned on page 506.

Perennials, 30–100 cm. Stems 2–5. Leaves: basal rosettes persistent (faces green and glabrous or gray-green and sparsely hairy). Heads in arrays 10–22 × 1–3 (–7) cm. Involucres turbinate, 2–3 × 2 (–3) mm.


Phenology: Flowering mid–late summer.
Habitat: Sandy soils, arid regions
Elevation: 100–2500 m

Distribution

V19-855-distribution-map.gif

Alta., B.C., Man., Sask., Alaska, Ariz., Calif., Colo., Idaho, Mont., Nebr., Nev., N.Mex., Oreg., Tex., Utah, Wash., Wyo.

Discussion

Throughout western North America, members of the Artemisia campestris complex can be assigned to subsp. pacifica. Although morphologically distinct through much of its range, subsp. pacifica may intergrade with subsp. canadensis and A. borealis in areas where their ranges overlap.

Selected References

None.

Lower Taxa

None.
... more about "Artemisia campestris subsp. pacifica"
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Anther base shape
not tailed +  and obtuse +
Anther dehiscence
introrse +
Anther fusion
connate +
Apex architecture or shape
truncate +
Apex shape
acute +
Apex texture
scarious +
Apical appendage shape
ovate +
Appendage pubescence
hirsute +
Appendage relief
papillate +
Appendages ring presence
absent +
Array architecture
paniculiform +
Array development
indeterminate +  and determinate +
Author
Leila M. Shultz +
Authority
(Nuttall) H. M. Hall & Clements +
Band architecture
continuous +
Band quantity
1 +
Basal blade some measurement
4 cm40 mm <br />0.04 m <br /> (12 cm120 mm <br />0.12 m <br />) +
Basal rosette duration
persistent +
Base shape
decurrent +
Basionyms
Artemisia pacifica +
Blade architecture
compound +  and simple +
Blade shape
entire;toothed;3-lobed;entire;toothed;3-lobed;lobed;spatulate;flabellate;spatulate;flabellate;cuneate;obovate;oblanceolate;oblong;elliptic;ovate;lanceolate;linear;filiform +
Branch arrangement or course or shape
linear +
Branch structure in adjective form
stigmatic +
Calyculus presence
absent +
Caudex architecture
branched +
Caudex texture
woody +
Cauline blade length
2 cm20 mm <br />0.02 m <br /> (4 cm40 mm <br />0.04 m <br />) +
Cauline blade shape
lobed +
Cauline blade size
reduced +
Cauline blade width
0.5 cm5 mm <br />0.005 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
Central floret architecture
Staminate (?) +
Central floret quantity
3 (32) +
Common name
Western sagewort +
Corolla architecture
zygomorphic +, actinomorphic +  and (3-)5-merous +
Corolla coloration
pale-yellow +
Corolla presence
absent +
Corolla pubescence
glabrous +  and hairy +
Corolla quantity
lacking +
Corolla shape
subglobose +
Cypsela architecture
nerved +
Cypsela growth form
dimorphic +
Cypsela pubescence
glabrous +
Cypsela shape
compressed +  and oblong-lanceoloid +
Cypsela some measurement
0.8mm;1mm +
Disc-floret architecture
staminate +
Disc-floret atypical quantity
20 (30) +
Disc-floret quantity
2 (20) +
Disc-floret reproduction
fertile +  and bisexual +
Disc floret architecture
staminate +
Disc floret reproduction
fertile +  and bisexual +
Distribution
Alta. +, B.C. +, Man. +, Sask. +, Alaska +, Ariz. +, Calif. +, Colo. +, Idaho +, Mont. +, Nebr. +, Nev. +, N.Mex. +, Oreg. +, Tex. +, Utah +, Wash. +  and Wyo. +
Elevation
100–2500 m +
Embryo course
straight +
Face coloration
gland-dotted +
Face pubescence
white-pubescent +
Filament fusion
distinct +
Floret architecture
staminate +  and pistillate +
Floret atypical quantity
5;15 +
Floret position
proximal +
Floret quantity
12;30 +
Floret reproduction
bisexual +
Fruit architecture
winged +  and beaked +
Fruit condition or texture
dry +
Fruit density
dispersed +
Habitat
Sandy soils, arid regions +
Head architecture
spiciform +  and racemiform +
Head architecture or shape
disciform +
Head arrangement
in subcapitate clusters +  and singly +
Head atypical width
3 cm30 mm <br />0.03 m <br /> (7 cm70 mm <br />0.07 m <br />) +
Head development
indeterminate +
Head length
10 cm100 mm <br />0.1 m <br /> (22 cm220 mm <br />0.22 m <br />) +
Head reproduction
heterogamous +  and homogamous +
Head size or width
narrow +
Head width
1 cm10 mm <br />0.01 m <br /> (3 cm30 mm <br />0.03 m <br />) +
Illustration copyright
Flora of North America Association +
Illustrator
Linda Ann Vorobik +
Individual head architecture
each +  and sessile +
Involucre atypical length
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Involucre atypical width
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
Involucre diameter
0.15 cm1.5 mm <br />0.0015 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
Involucre length
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
Involucre position relational
surrounding +
Involucre shape
turbinate +
Involucre width
2 cm20 mm <br />0.02 m <br /> (?) +
Leaf architecture
sessile +  and petiolate +
Leaf arrangement
alternate +
Leaf duration
deciduous +  and persistent +
Leaf position
basal +
Line quantity
2 +
Lobe quantity
5 (?) +
Lobe shape
linear +  and narrowly oblong +
Margin architecture or shape
entire +  and dentate +
Margin shape
lobed +
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 duration
persistent +
Pappus life cycle
falling +
Pappus presence
absent +
Pericarp fragility
tough +
Pericarp width
thick +
Peripheral floret architecture
pistillate +
Peripheral floret presence
absent +
Peripheral floret quantity
1 (25) +
Peripheral floret reproduction
fertile +
Petal fusion
connate +
Phenology
Flowering mid–late summer. +
Phyllary duration
persistent +
Phyllary fusion
distinct +
Phyllary growth form or texture
herbaceous +
Phyllary life cycle
falling +
Phyllary pubescence
villous-tomentose +  and glabrous +
Phyllary quantity
2 +  and 20 +
Phyllary shape
Ovate (Lanceolate) +
Phyllary size
unequal +
Phyllary texture
With margins and/or apices (Scarious) +
Publication title
Publ. Carnegie Inst. Wash. +
Publication year
1923 +
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 pubescence
glabrous +
Receptacle shape
conic;convex;conic;convex;flat +
Reference
None +
Rhizome presence
absent +
Rib presence
absent +
Rib quantity
2 +  and 5 +
Root texture
fibrous +
Seed architecture
exalbuminous +
Seed quantity
1 +
Sepal variability
modifed +
Series atypical quantity
1 (2) +
Series quantity
4;7 +
Source xml
https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V19-20-21/V19 855.xml +
Special status
Endemic +
Stamen arrangement
alternate +
Stamen atypical quantity
4 (5) +
Stamen quantity
5 +
Stem architecture
branched +
Stem coloration
reddish-brown +
Stem orientation
erect +
Stem pubescence
glabrous +  and tomentose +
Stem quantity
2 +  and 5 +
Stem shape
wand-like +
Style-branch architecture
appendaged +  and truncate +
Style architecture
2-branched +
Style pubescence
glabrous +
Style quantity
1 +
Style relief
papillate +
Synonyms
Artemisia campestris var. petiolata +, Artemisia campestris var. scouleriana +, Artemisia desertorum var. scouleriana +, Oligosporus campestris subsp. pacificus +  and Oligosporus pacificus +
Taxon family
Asteraceae +
Taxon name
Artemisia campestris subsp. pacifica +
Taxon parent
Artemisia campestris +
Taxon rank
subspecies +
Throat shape
funnel +  and subglobose +
Tube shape
cylindric +
Volume
Volume 19 +
Whole-organism architecture
taprooted +
Whole-organism atypical some measurement
80 cm800 mm <br />0.8 m <br /> (150 cm1,500 mm <br />1.5 m <br />) +
Whole-organism duration
perennial +
Whole-organism odor
aromatic +
Whole-organism some measurement
30 cm300 mm <br />0.3 m <br /> (100 cm1,000 mm <br />1 m <br />) +
Whole organism architecture
taprooted +  and fibrous-rooted +
Whole organism growth form
subshrub +
Whole organism some measurement
3cm (350cm) +
X chromosome quantity
9 +