Artemisia ludoviciana subsp. mexicana

(Willdenow ex Sprengel) D. D. Keck

Proc. Calif. Acad. Sci., ser. 4, 25: 452. 1946

Common names: Mexican wormwood
Synonyms: Artemisia neomexicana Greene ex Rydberg Artemisia revoluta Rydberg
Basionyms: Artemisia mexicana Willdenow ex Sprengel
Treatment appears in FNA Volume 19. Treatment on page 529. Mentioned on page 527.
Stems 30–80(–100) cm, widely branched, sparsely hairy or glabrous. Leaves strongly bicolor (white and green, or gray-green and green), narrowly lanceolate, 4–10 × 0.5–1 cm, lobed; faces ± tomentose (abaxial) or glabrescent. Heads in paniculiform or racemiform arrays 1–8 × 2–5 cm. Involucres (campanulate) 3–4 × 2–3 mm. Florets: pistillate (5–)8–10; bisexual (6–)10–20; corollas ca. 1.5 mm. 2n = 18, 36.

Phenology: Flowering late summer–late fall.
Habitat: Mountain slopes, rocky soils
Elevation: 500–1000 m

Distribution

V19-913-distribution-map.gif

Ariz., Colo., Nev., N.Mex., Okla., Tex., Mexico.

Discussion

References

None.

Lower Taxa

No lower taxa listed.