The green links below add additional plants to the comparison table. Blue links lead to other Web sites.
enable glossary links

purple wormwood

island sagebrush

Habit Perennials, (3–)5–16(–30) cm (cespitose), faintly aromatic (not rhizomatous, taproots stout, caudices simple or branched, proximal branches clothed with persistent leaf bases). Subshrubs, 10–60 cm (rounded), aromatic.
Stems

1–5, erect, whitish gray, densely tomentose.

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

Leaves

mostly basal (cauline 1–4), greenish to whitish green;

blades (basal) 1–4.5 × 0.6–1.5 cm, 1–2-ternately to palmately lobed (flowering-stem blades 3-lobed), faces sparsely hairy.

cauline, gray-green;

blades linear-oblong, 3–5 × 1–2 cm, mostly 3-lobed (lobes 1–2 mm wide), faces gray-hairy.

Involucres

campanulate or hemispheric, 3.5–6 × 6–11 mm.

broadly campanulate, 2.5 × 4–4.5 mm.

Florets

pistillate 9–10;

bisexual 20–30;

corollas yellow or reddish black, 2–3 mm, sometimes glandular.

pistillate 0;

bisexual 20–50;

corollas pale yellow, 1.2–1.5 mm, glandular.

Phyllaries

lanceolate (margins brown), pilose.

broadly ovate, densely hairy.

Heads

(2–20, peduncles 0 or to 25 mm) in subcapitate to capitate arrays 2–3 × 2–3 cm.

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

Cypselae

oblong, 1.5–2.5 mm, (apices flattened) glabrous.

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

Artemisia globularia

Artemisia nesiotica

Phenology Flowering mid–late summer.
Habitat Rocky slopes, often fog-shrouded hillsides
Elevation 0–100 m (0–300 ft)
Distribution
from FNA
AK; YT; Asia
[BONAP county map]
from FNA
CA
[WildflowerSearch map]
[BONAP county map]
Discussion

Subspecies 2 (2 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
1. Corollas reddish black; cypselae ca. 2.5 mm, margins with relatively narrow ribs
subsp. globularia
1. Corollas yellow; cypselae 1.5–2 mm, margins with relatively broad ribs
subsp. lutea
Source FNA vol. 19, p. 525. 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. californica, A. campestris, A. cana, A. carruthii, A. douglasiana, A. dracunculus, A. filifolia, A. franserioides, A. frigida, A. furcata, 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
Subordinate taxa
A. globularia subsp. globularia, A. globularia subsp. lutea
Synonyms Ajania globularia, A. norvegica subsp. globularia Crossostephium insulare, A. californica var. insularis
Name authority Chamisso ex Besser: Nouv. Mém. Soc. Imp. Naturalistes Moscou 3: 64. (1833) P. H. Raven: Aliso 5: 341. (1963)
Web links