familyAsteraceae
tribeAsteraceae tribe Anthemideae
genusArtemisia
subgenusArtemisia subg. Drancunculus
speciesArtemisia borealis
subspeciesArtemisia borealis subsp. richardsoniana

Artemisia borealis subsp. richardsoniana

(Besser) Korobkov in A. I. Tolmatchew

in A. I. Tolmatchew, Fl. Arct. URSS 10: 178. 1987.

Leila M. Shultz
Common names: Richardson’s sagewort
Endemic
Basionym: Artemisia richardsoniana Besser Bull. Soc. Imp. Naturalistes Moscou 9: 64. 1836,
Synonyms: Artemisia caudata var. richardsoniana (Besser) B. Boivin Artemisia desertorum var. richardsoniana (Besser) Besser
Treatment appears in FNA Volume 19. Treatment on page 506.

Plants (6–) 8–15 (–20) cm, herbage white-hoary. Corollas (at least lobes) deep red, 3–3.5 mm.


Phenology: Flowering mid–late summer.
Habitat: River terraces, tundra
Elevation: 0–600 m

Distribution

V19-851-distribution-map.gif

N.W.T., Nunavut, Yukon, Alaska.

Discussion

Long overlooked, subsp. richardsoniana is easily distinguished by its relatively short stature, dense, white indument, and deep red corollas. It is known only from western arctic North America.

Selected References

None.

Lower Taxa

None.
... more about "Artemisia borealis subsp. richardsoniana"
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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
spiciform +, racemiform +, paniculiform +  and corymbiform +
Array development
indeterminate +  and determinate +
Author
Leila M. Shultz +
Authority
(Besser) Korobkov in A. I. Tolmatchew +
Band architecture
continuous +
Band quantity
1 +
Basal rosette coloration
gray-green;white +
Basal rosette duration
persistent +
Base shape
decurrent +
Basionyms
Artemisia richardsoniana +
Blade architecture
compound +  and simple +
Blade length
2 cm20 mm <br />0.02 m <br /> (4 cm40 mm <br />0.04 m <br />) +
Blade shape
lobed;ovate +
Blade width
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Branch arrangement or course or shape
linear +
Branch structure in adjective form
stigmatic +
Calyculus presence
absent +
Caudex architecture
branched +
Caudex texture
woody +
Central floret architecture
Staminate (?) +
Central floret quantity
3 (32) +
Common name
Richardson’s sagewort +
Corolla architecture
zygomorphic +, actinomorphic +  and (3-)5-merous +
Corolla coloration
red +
Corolla depth
deep +
Corolla presence
absent +
Corolla quantity
2.2 +  and 3.5 +
Corolla shape
subglobose +
Corolla some measurement
0.3 cm3 mm <br />0.003 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
Cypsela architecture
nerved +
Cypsela growth form
dimorphic +
Cypsela pubescence
glabrous +
Cypsela shape
compressed +  and oblong-lanceoloid +
Cypsela some measurement
0.4mm;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
N.W.T. +, Nunavut +, Yukon +  and Alaska. +
Elevation
0–600 m +
Embryo course
straight +
Face coloration
gland-dotted +
Face pubescence
sericeous +
Filament fusion
distinct +
Floret architecture
staminate +  and pistillate +
Floret atypical quantity
5;15 +
Floret position
proximal +
Floret quantity
15;30 +
Floret reproduction
bisexual +
Fruit architecture
winged +  and beaked +
Fruit condition or texture
dry +
Fruit density
dispersed +
Habitat
River terraces, tundra +
Head architecture
spiciform +  and racemiform +
Head architecture or shape
disciform +
Head arrangement
in subcapitate clusters +  and singly +
Head atypical length
9 cm90 mm <br />0.09 m <br /> (12 cm120 mm <br />0.12 m <br />) +
Head atypical width
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Head development
indeterminate +
Head length
4 cm40 mm <br />0.04 m <br /> (9 cm90 mm <br />0.09 m <br />) +
Head reproduction
heterogamous +  and homogamous +
Head size or width
narrow +
Head width
1 cm10 mm <br />0.01 m <br /> (5 cm50 mm <br />0.05 m <br />) +
Herbage pubescence
white-hoary +
Illustration copyright
Flora of North America Association +
Illustrator
Linda Ann Vorobik +
Individual head architecture
each +  and sessile +
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
hemispheric +
Involucre width
0.35 cm3.5 mm <br />0.0035 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
Leaf architecture
sessile +  and petiolate +
Leaf arrangement
alternate +
Leaf duration
persistent +
Leaf position
basal +  and cauline +
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
tomentose-villous +
Phyllary quantity
2 +  and 20 +
Phyllary shape
Ovate (Lanceolate) +
Phyllary size
unequal +
Phyllary texture
With margins and/or apices (Scarious) +
Publication title
in A. I. Tolmatchew, Fl. Arct. URSS +
Publication year
1987 +
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 851.xml +
Special status
Endemic +
Stamen arrangement
alternate +
Stamen atypical quantity
4 (5) +
Stamen quantity
5 +
Stem architecture
branched +
Stem atypical quantity
1 (?) +  and 2 (?) +
Stem coloration
gray-green +
Stem orientation
erect +
Stem pubescence
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 caudata var. richardsoniana +  and Artemisia desertorum var. richardsoniana +
Taxon family
Asteraceae +
Taxon name
Artemisia borealis subsp. richardsoniana +
Taxon parent
Artemisia borealis +
Taxon rank
subspecies +
Throat shape
funnel +  and subglobose +
Tube shape
cylindric +
Volume
Volume 19 +
Whole-organism architecture
taprooted +
Whole-organism atypical some measurement
20 cm200 mm <br />0.2 m <br /> (40 cm400 mm <br />0.4 m <br />) +
Whole-organism duration
perennial +
Whole-organism odor
aromatic +
Whole-organism some measurement
8 cm80 mm <br />0.08 m <br /> (20 cm200 mm <br />0.2 m <br />) +
Whole organism architecture
taprooted +  and fibrous-rooted +
Whole organism atypical some measurement
15 cm150 mm <br />0.15 m <br /> (20 cm200 mm <br />0.2 m <br />) +
Whole organism growth form
plant +
Whole organism some measurement
8cm (15cm) +
X chromosome quantity
9 +