Artemisia suksdorfii

Piper

Bull. Torrey Bot. Club 28: 42. 1901.

Common names: Suksdorf sagewort
Endemic
Basionyms: Artemisia heterophylla Nuttall Trans. Amer. Philos. Soc., n. s. 7: 400. 1841,
Synonyms: Artemisia vulgaris var. littoralis Suksdorf
Treatment appears in FNA Volume 19. Treatment on page 533. Mentioned on page 522.

Perennials, 50–170 (–200) cm, aromatic (rhizomes woody, coarse). Stems usually 10+, erect, light-brown, simple, usually glabrous. Leaves cauline (sessile), bicolor (white and dark green); blades lanceolate, 5–10 (–15) × 1–5 cm (bases strongly tapered, attenuate), coarsely and irregularly lobed, faces tomentose (abaxial) or glabrous (adaxial). Heads (erect) in crowded (proximally leafy), paniculiform or racemiform arrays 17–30 × (2–) 4–5 cm (lateral branches stiff, erect). Involucres narrowly turbinate or globose, 1.5–2.5 × 1–1.5 mm. Phyllaries (straw-colored to yellow-green, shiny) lanceolate, glabrous or sparsely hairy. Florets: pistillate 2–5; bisexual 2–7; corollas yellow, 1.5–3 mm, glabrous. Cypselae ellipsoid, 0.8–1.5 mm, glabrous. 2n = 18.


Phenology: Flowering mid summer–fall.
Habitat: Coastal habitats, often along roads or drainages
Elevation: 0–200 m

Distribution

V19-926-distribution-map.gif

B.C., Calif., Oreg., Wash.

Discussion

Artemisia suksdorfii is similar morphologically to A. douglasiana; it has more and smaller heads, and glabrous phyllaries. The two species hybridize where their ranges overlap.

Selected References

None.

Lower Taxa

None.

... more about "Artemisia suksdorfii"
not tailed +  and obtuse +
scarious +
racemiform +  and paniculiform +
2 cm20 mm <br />0.02 m <br /> (4 cm40 mm <br />0.04 m <br />) +
indeterminate +  and determinate +
17 cm170 mm <br />0.17 m <br /> (30 cm300 mm <br />0.3 m <br />) +
4cm +  and 5cm +
Leila M. Shultz +
decurrent +
Artemisia heterophylla +
compound +  and simple +
10 cm100 mm <br />0.1 m <br /> (15 cm150 mm <br />0.15 m <br />) +
5 cm50 mm <br />0.05 m <br /> (10 cm100 mm <br />0.1 m <br />) +
lobed;lanceolate +
1cm;5cm +
fertile +  and bisexual +
Suksdorf sagewort +
zygomorphic +, actinomorphic +  and (3-)5-merous +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
winged +  and monomorphic +
ellipsoid +
fertile +  and bisexual +
fertile +  and bisexual +
B.C. +, Calif. +, Oreg. +  and Wash. +
0–200 m +
gland-dotted +
glabrous +  and tomentose +
peripheral +
winged +  and beaked +
dispersed +
Coastal habitats, often along roads or drainages +
spiciform +  and racemiform +
in subcapitate clusters +  and singly +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
globose;turbinate +
0.1 cm1 mm <br />0.001 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
sessile +  and petiolate +
persistent +  and deciduous +
deltate +
entire +  and dentate +
2-carpellate +
persistent +
Flowering mid summer–fall. +
hairy +  and glabrous +
2 +  and 20 +
Bull. Torrey Bot. Club +
styliferous +, neuter +  and pistillate +
sterile +  and fertile +
conic;convex;conic;convex;flat +
2 +  and 5 +
exalbuminous +
light-brown +
1 +  and 10 +
wand-like +
appendaged +  and truncate +
papillate +
Artemisia vulgaris var. littoralis +
Artemisia suksdorfii +
Artemisia subg. Artemisia +
species +
funnel +  and subglobose +
cylindric +
fibrous-rooted +  and taprooted +
170 cm1,700 mm <br />1.7 m <br /> (200 cm2,000 mm <br />2 m <br />) +
50 cm500 mm <br />0.5 m <br /> (170 cm1,700 mm <br />1.7 m <br />) +
shrub +  and subshrub +