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

Artemisia ludoviciana subsp. albula

(Wooton) D. D. Keck

Proc. Calif. Acad. Sci., ser. 4, 25: 446. 1946.

Leila M. Shultz
Common names: White wormwood
Basionym: Artemisia albula Wooton Contr. U.S. Natl. Herb. 16: 193. 1913,
Treatment appears in FNA Volume 19. Treatment on page 528. Mentioned on page 527.

Stems 30–80 cm, widely branched, tomentose or glabrous. Leaves uniformly whitish green; blades lance-linear (and entire), or obovate to elliptic (with antrorse teeth or lobes to 1/3 blade lengths, usually 1–2 cm, margins revolute), faces ± tomentose. Heads in open, paniculiform arrays (9–) 15–40 × (4–) 8–30 cm. Involucres 1–2 × 2–3 mm. Florets: pistillate 8–11; bisexual 8–13; corollas 1–1.5 mm.


Phenology: Flowering early summer–fall.
Habitat: Desert drainages, sandy soils
Elevation: 1500–2000 m

Distribution

V19-910-distribution-map.gif

Ariz., Calif., Colo., Nev., N.Mex., Tex., Utah, Mexico

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Artemisia ludoviciana subsp. albula"
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2n chromosome quantity
54 +, 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
paniculiform +  and open +
Array atypical length
9 cm90 mm <br />0.09 m <br /> (15 cm150 mm <br />0.15 m <br />) +
Array atypical width
4 cm40 mm <br />0.04 m <br /> (8 cm80 mm <br />0.08 m <br />) +
Array development
indeterminate +  and determinate +
Array length
15 cm150 mm <br />0.15 m <br /> (40 cm400 mm <br />0.4 m <br />) +
Array width
8cm +  and 30cm +
Author
Leila M. Shultz +
Authority
(Wooton) D. D. Keck +
Band architecture
continuous +
Band quantity
1 +
Base shape
decurrent +
Basionyms
Artemisia albula +
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
obovate;elliptic +
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
White 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
0.1 cm1 mm <br />0.001 m <br /> (0.15 cm1.5 mm <br />0.0015 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. +, Calif. +, Colo. +, Nev. +, N.Mex. +, Tex. +, Utah +  and Mexico +
Elevation
1500–2000 m +
Embryo course
straight +
Face coloration
gland-dotted +
Face pubescence
tomentose +
Filament fusion
distinct +
Floret architecture
pistillate +
Floret atypical quantity
5;15 +
Floret position
peripheral +
Floret quantity
8;13 +
Floret reproduction
bisexual +
Fruit architecture
winged +  and beaked +
Fruit condition or texture
dry +
Fruit density
dispersed +
Habitat
Desert drainages, sandy soils +
Head architecture
spiciform +  and racemiform +
Head architecture or shape
disciform +
Head arrangement
in subcapitate clusters +  and singly +
Head development
indeterminate +
Head reproduction
heterogamous +  and homogamous +
Head size or width
narrow +
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
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 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
whitish green +
Leaf duration
persistent +  and deciduous +
Leaf position
cauline +
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 early summer–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 910.xml +
Special status
Illustrated +
Stamen arrangement
alternate +
Stamen atypical quantity
4 (5) +
Stamen quantity
5 +
Stem architecture
branched +
Stem coloration
gray-green +
Stem orientation
erect +
Stem pubescence
glabrous +  and tomentose +
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 vulgaris var. ludoviciana +
Taxon family
Asteraceae +
Taxon name
Artemisia ludoviciana subsp. albula +
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 +