familyAsteraceae
tribeAsteraceae tribe Anthemideae
genusArtemisia
subgenusArtemisia subg. Artemisia
speciesArtemisia ludoviciana
subspeciesArtemisia ludoviciana subsp. mexicana

Artemisia ludoviciana subsp. mexicana

(Willdenow ex Sprengel) D. D. Keck

Proc. Calif. Acad. Sci., ser. 4, 25: 452. 1946.

Leila M. Shultz
Common names: Mexican wormwood
Basionym: Artemisia mexicana Willdenow ex Sprengel Syst. Veg. 3: 490. 1826
Synonyms: Artemisia neomexicana Greene ex Rydberg Artemisia revoluta Rydberg
Treatment appears in FNA Volume 19. Treatment on page 529. Mentioned on page 527.

Stems 30–80 (–100) cm, widely branched, sparsely hairy or glabrous. Leaves strongly bicolor (white and green, or gray-green and green), narrowly lanceolate, 4–10 × 0.5–1 cm, lobed; faces ± tomentose (abaxial) or glabrescent. Heads in paniculiform or racemiform arrays 1–8 × 2–5 cm. Involucres (campanulate) 3–4 × 2–3 mm. Florets: pistillate (5–) 8–10; bisexual (6–) 10–20; corollas ca. 1.5 mm. 2n = 18, 36.


Phenology: Flowering late summer–late fall.
Habitat: Mountain slopes, rocky soils
Elevation: 500–1000 m

Distribution

V19-913-distribution-map.gif

Ariz., Colo., Nev., N.Mex., Okla., Tex., Mexico

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Artemisia ludoviciana subsp. mexicana"
RDF feed
2n chromosome quantity
36 +  and 18 +
Anther base shape
not tailed +  and obtuse +
Anther dehiscence
introrse +
Anther fusion
connate +
Apex architecture or shape
truncate +
Apex texture
scarious +
Apical appendage shape
ovate +
Appendage pubescence
hirsute +
Appendage relief
papillate +
Appendages ring presence
absent +
Array architecture
congested +  and open +
Array development
indeterminate +  and determinate +
Author
Leila M. Shultz +
Authority
(Willdenow ex Sprengel) D. D. Keck +
Band architecture
continuous +
Band quantity
1 +
Base shape
decurrent +
Basionyms
Artemisia mexicana +
Blade architecture
compound +  and simple +
Blade arrangement or shape
elliptic +  and linear to broadly +
Blade length
1.5 cm15 mm <br />0.015 m <br /> (11 cm110 mm <br />0.11 m <br />) +
Blade shape
lobed;relatively deeply pinnatifid +
Blade width
0.5 cm5 mm <br />0.005 m <br /> (4 cm40 mm <br />0.04 m <br />) +
Branch arrangement or course or shape
linear +
Branch structure in adjective form
stigmatic +
Calyculus presence
absent +
Caudex texture
woody +
Central floret quantity
14 (70) +
Central floret reproduction
fertile +  and bisexual +
Common name
Mexican wormwood +
Corolla architecture
zygomorphic +, actinomorphic +  and (3-)5-merous +
Corolla coloration
red-tinged +  and yellow +
Corolla presence
absent +
Corolla pubescence
glabrous +
Corolla quantity
lacking +
Corolla some measurement
1.5 cm15 mm <br />0.015 m <br /> (?) +
Cypsela architecture
winged +  and monomorphic +
Cypsela growth form
dimorphic +
Cypsela pubescence
glabrous +
Cypsela shape
ellipsoid +
Cypsela some measurement
0.5 +
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
Ariz. +, Colo. +, Nev. +, N.Mex. +, Okla. +, Tex. +  and Mexico +
Elevation
500–1000 m +
Embryo course
straight +
Face coloration
gland-dotted +
Face pubescence
glabrescent +  and tomentose +
Filament fusion
distinct +
Floret architecture
pistillate +
Floret atypical quantity
6;10 +
Floret position
peripheral +
Floret quantity
10;20 +
Floret reproduction
bisexual +
Fruit architecture
winged +  and beaked +
Fruit condition or texture
dry +
Fruit density
dispersed +
Habitat
Mountain slopes, rocky soils +
Head architecture
racemiform +  and paniculiform +
Head architecture or shape
disciform +
Head arrangement
in subcapitate clusters +  and singly +
Head development
indeterminate +
Head length
1 cm10 mm <br />0.01 m <br /> (8 cm80 mm <br />0.08 m <br />) +
Head reproduction
heterogamous +  and homogamous +
Head size or width
narrow +
Head width
2 cm20 mm <br />0.02 m <br /> (5 cm50 mm <br />0.05 m <br />) +
Illustration copyright
Flora of North America Association +
Illustrator
Linda Ann Vorobik +
Individual head architecture
each +  and sessile +
Involucre atypical length
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Involucre atypical width
0.5 cm5 mm <br />0.005 m <br /> (0.8 cm8 mm <br />0.008 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
0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
Involucre position relational
surrounding +
Involucre shape
turbinate;campanulate +
Involucre width
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
Leaf architecture
sessile +  and petiolate +
Leaf arrangement
alternate +
Leaf coloration
bicolor +
Leaf duration
persistent +  and deciduous +
Leaf length
4 cm40 mm <br />0.04 m <br /> (10 cm100 mm <br />0.1 m <br />) +
Leaf position
cauline +
Leaf shape
lobed;lanceolate +
Leaf width
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Line quantity
2 +
Lobe quantity
5 (?) +
Lobe shape
deltate +
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 presence
absent +
Peripheral floret quantity
In 1 (3+ series) +
Petal fusion
connate +
Phenology
Flowering late summer–late fall. +
Phyllary duration
persistent +
Phyllary fusion
distinct +
Phyllary growth form or texture
herbaceous +
Phyllary life cycle
falling +
Phyllary pubescence
tomentose +
Phyllary quantity
2 +  and 20 +
Phyllary shape
Lanceolate (Ovate or obovate) +
Phyllary size
unequal +
Phyllary texture
With margins and/or apices (Scarious) +
Publication title
Proc. Calif. Acad. Sci., ser. +
Publication year
1946 +
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 913.xml +
Special status
Illustrated +
Stamen arrangement
alternate +
Stamen atypical quantity
4 (5) +
Stamen quantity
5 +
Stem architecture
branched +
Stem atypical some measurement
80 cm800 mm <br />0.8 m <br /> (100 cm1,000 mm <br />1 m <br />) +
Stem coloration
gray-green +
Stem orientation
erect +
Stem pubescence
glabrous +  and hairy +
Stem quantity
relatively few +  and relatively numerous +
Stem shape
wand-like +
Stem some measurement
30 cm300 mm <br />0.3 m <br /> (80 cm800 mm <br />0.8 m <br />) +
Style-branch architecture
appendaged +  and truncate +
Style architecture
2-branched +
Style pubescence
glabrous +
Style quantity
1 +
Style relief
papillate +
Synonyms
Artemisia neomexicana +  and Artemisia revoluta +
Taxon family
Asteraceae +
Taxon name
Artemisia ludoviciana subsp. mexicana +
Taxon parent
Artemisia ludoviciana +
Taxon rank
subspecies +
Throat shape
funnel +  and subglobose +
Tube shape
cylindric +
Volume
Volume 19 +
Whole-organism architecture
fibrous-rooted +  and taprooted +
Whole-organism duration
perennial +
Whole-organism odor
aromatic +
Whole-organism some measurement
20 cm200 mm <br />0.2 m <br /> (80 cm800 mm <br />0.8 m <br />) +
Whole organism growth form
shrub +  and subshrub +
Whole organism some measurement
3cm (350cm) +
X chromosome quantity
9 +