Artemisia cana |
Artemisia nesiotica |
|||||||||
---|---|---|---|---|---|---|---|---|---|---|
dwarf sagebrush, hoary sagebrush, silver sagebrush, silver wormwood, sticky sagebrush |
island sagebrush |
|||||||||
Habit | Shrubs, 50–150 cm (trunks definite, freely branched from bases, branches erect), pleasantly aromatic; root-sprouting. | Subshrubs, 10–60 cm (rounded), aromatic. | ||||||||
Stems | light brown to gray-green (woody, somewhat pliable, leafy), persistently canescent to glabrescent. |
relatively numerous, ascending or prostrate, gray, simple or branched (slender, wandlike, soft, bases woody and brittle), densely canescent. |
||||||||
Leaves | deciduous, whitish gray or green to dark gray-green; blades narrowly elliptic to lanceolate, 1.5–8 × 0.2–1 cm, usually entire, sometimes irregularly lobed, sparsely to densely hairy. |
cauline, gray-green; blades linear-oblong, 3–5 × 1–2 cm, mostly 3-lobed (lobes 1–2 mm wide), faces gray-hairy. |
||||||||
Involucres | (subtended by green, leaflike bracts) narrowly to broadly campanulate, 3–4 × 2–5 mm. |
broadly campanulate, 2.5 × 4–4.5 mm. |
||||||||
Florets | 4–20; corollas 2–3 mm, resinous (style branches ellipsoid, to 2.3 mm, exsert, gland-dotted). |
pistillate 0; bisexual 20–50; corollas pale yellow, 1.2–1.5 mm, glandular. |
||||||||
Phyllaries | ovate or lanceolate (scarious margins nearly invisible), densely canescent. |
broadly ovate, densely hairy. |
||||||||
Heads | in (congested, leafy) paniculiform arrays 10–20 × 0.2–7 cm. |
(usually erect, sometimes nodding) in (leafy) paniculiform arrays 10–25 × 3–5(–7) cm. |
||||||||
Cypselae | (light brown) 1–2.3 mm, resinous. |
(light brown) ellipsoid (ribbed), 0.5 mm, resinous. |
||||||||
Artemisia cana |
Artemisia nesiotica |
|||||||||
Phenology | Flowering mid–late summer. | |||||||||
Habitat | Rocky slopes, often fog-shrouded hillsides | |||||||||
Elevation | 0–100 m (0–300 ft) | |||||||||
Distribution |
AZ; CA; CO; ID; MT; ND; NE; NM; NV; OR; SD; UT; WY; AB; BC; MB; SK
|
CA
|
||||||||
Discussion | Subspecies 3 (3 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Artemisia nesiotica is known only from the Channel Islands of California. It differs from the closely related A. californica by its shorter stature, wider leaf lobes, and larger heads. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
||||||||
Key |
|
|||||||||
Source | FNA vol. 19, p. 512. | FNA vol. 19, p. 530. | ||||||||
Parent taxa | ||||||||||
Sibling taxa | ||||||||||
Subordinate taxa | ||||||||||
Synonyms | Seriphidium canum | Crossostephium insulare, A. californica var. insularis | ||||||||
Name authority | Pursh: Fl. Amer. Sept. 2: 521. (1813) | P. H. Raven: Aliso 5: 341. (1963) | ||||||||
Web links |