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California sagebrush, coastal sage brush

island sagebrush

Habit Shrubs, (20–)150–250 cm (rounded), pungently aromatic. Subshrubs, 10–60 cm (rounded), aromatic.
Stems

relatively numerous, arched, green or brown, branched (slender, wandlike, bases brittle), densely canescent to glabrate.

relatively numerous, ascending or prostrate, gray, simple or branched (slender, wandlike, soft, bases woody and brittle), densely canescent.

Leaves

cauline, light green to gray;

blades filiform or spatulate to obovate, 3–5(–9) × 0.5–2 cm, sometimes pinnately lobed (lobes filiform, 0.5–1 mm wide), faces 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

globose, 2–3(–4) × 2–4(–5) mm.

broadly campanulate, 2.5 × 4–4.5 mm.

Florets

pistillate 6–10;

bisexual 18–25;

corollas pale yellow, 0.8–1.2 mm, glabrous.

pistillate 0;

bisexual 20–50;

corollas pale yellow, 1.2–1.5 mm, glandular.

Phyllaries

broadly ovate, sparsely canescent.

broadly ovate, densely hairy.

Heads

(nodding at maturity, pedunculate) in paniculiform arrays 6–20 × 1–3 cm (branches erect to broadly spreading).

(usually erect, sometimes nodding) in (leafy) paniculiform arrays 10–25 × 3–5(–7) cm.

Cypselae

ellipsoid, 0.5–1.5 mm, resinous (pappi coroniform).

(light brown) ellipsoid (ribbed), 0.5 mm, resinous.

2n

= 18.

Artemisia californica

Artemisia nesiotica

Phenology Flowering early–late summer. Flowering mid–late summer.
Habitat Coastal scrub, dry foothills Rocky slopes, often fog-shrouded hillsides
Elevation 0–800 m (0–2600 ft) 0–100 m (0–300 ft)
Distribution
from FNA
CA; Mexico (Baja California)
[WildflowerSearch map]
[BONAP county map]
from FNA
CA
[WildflowerSearch map]
[BONAP county map]
Discussion

Artemisia californica is the common sagebrush of chaparral in southern California. Its threadlike leaves and green flowering heads distinguish it from any other shrub in California. Artemisia nesiotica, an endemic of the Channel Islands that was initially considered a morphologic variant of A. californica, is distinct in size and form. Systematic placement of the complex may be problematic. The molecular phylogeny of L. E. Watson et al. (2002) suggests an alignment of A. californica within subg. Tridentatae. Based on this finding, a subgeneric realignment of this species may be in order. The odor of A. californica is markedly like that of the culinary mints known as common sage (Salvia species).

(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.)

Source FNA vol. 19, p. 524. FNA vol. 19, p. 530.
Parent taxa Asteraceae > tribe Anthemideae > Artemisia > subg. Artemisia Asteraceae > tribe Anthemideae > Artemisia > subg. Artemisia
Sibling taxa
A. abrotanum, A. absinthium, A. alaskana, A. aleutica, A. annua, A. arbuscula, A. biennis, A. bigelovii, A. borealis, A. campestris, A. cana, A. carruthii, A. douglasiana, A. dracunculus, A. filifolia, A. franserioides, A. frigida, A. furcata, A. globularia, A. glomerata, A. laciniata, A. longifolia, A. ludoviciana, A. michauxiana, A. nesiotica, A. norvegica, A. nova, A. packardiae, A. palmeri, A. papposa, A. pattersonii, A. pedatifida, A. pontica, A. porteri, A. pycnocephala, A. pygmaea, A. rigida, A. rothrockii, A. rupestris, A. scopulorum, A. senjavinensis, A. serrata, A. spiciformis, A. stelleriana, A. suksdorfii, A. tilesii, A. tridentata, A. tripartita, A. vulgaris
A. abrotanum, A. absinthium, A. alaskana, A. aleutica, A. annua, A. arbuscula, A. biennis, A. bigelovii, A. borealis, A. californica, A. campestris, A. cana, A. carruthii, A. douglasiana, A. dracunculus, A. filifolia, A. franserioides, A. frigida, A. furcata, A. globularia, A. glomerata, A. laciniata, A. longifolia, A. ludoviciana, A. michauxiana, A. norvegica, A. nova, A. packardiae, A. palmeri, A. papposa, A. pattersonii, A. pedatifida, A. pontica, A. porteri, A. pycnocephala, A. pygmaea, A. rigida, A. rothrockii, A. rupestris, A. scopulorum, A. senjavinensis, A. serrata, A. spiciformis, A. stelleriana, A. suksdorfii, A. tilesii, A. tridentata, A. tripartita, A. vulgaris
Synonyms A. abrotanoides, A. fischeriana, A. foliosa, Crossostephium californicum Crossostephium insulare, A. californica var. insularis
Name authority Lessing: Linnaea 6: 523. (1831) P. H. Raven: Aliso 5: 341. (1963)
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