familyAsteraceae
genusArtemisia
subgenusArtemisia subg. Artemisia
speciesArtemisia ludoviciana
subspeciesArtemisia ludoviciana subsp. albula
Artemisia ludoviciana subsp. albula
Proc. Calif. Acad. Sci., ser. 4, 25: 446. 1946.
Common names: White wormwood
Basionym: Artemisia albula Wooton Contr. U.S. Natl. Herb. 16: 193. 1913,
Stems 30–80 cm, widely branched, tomentose or glabrous. Leaves uniformly whitish green; blades lance-linear (and entire), or obovate to elliptic (with antrorse teeth or lobes to 1/3 blade lengths, usually 1–2 cm, margins revolute), faces ± tomentose. Heads in open, paniculiform arrays (9–)15–40 × (4–)8–30 cm. Involucres 1–2 × 2–3 mm. Florets: pistillate 8–11; bisexual 8–13; corollas 1–1.5 mm.
Phenology: Flowering early summer–fall.
Habitat: Desert drainages, sandy soils
Elevation: 1500–2000 m
Distribution
Ariz., Calif., Colo., Nev., N.Mex., Tex., Utah, Mexico.
Discussion
Selected References
None.
Lower Taxa
None.