Artemisia ludoviciana subsp. mexicana

(Willdenow ex Sprengel) D. D. Keck

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

Common names: Mexican wormwood
Basionym: Artemisia mexicana Willdenow ex Sprengel
Synonyms: Artemisia neomexicana Greene ex Rydberg Artemisia revoluta Rydberg
Treatment appears in FNA Volume 19. Treatment on page 529. Mentioned on page 527.
Revision as of 15:16, 18 September 2019 by FNA>Volume Importer

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

Selected References

None.

Lower Taxa

None.
Leila M. Shultz +
(Willdenow ex Sprengel) D. D. Keck +
Artemisia mexicana +
Mexican wormwood +
Ariz. +, Colo. +, Nev. +, N.Mex. +, Okla. +, Tex. +  and Mexico. +
500–1000 m +
Mountain slopes, rocky soils +
Flowering late summer–late fall. +
Proc. Calif. Acad. Sci., ser. +
Illustrated +
Artemisia neomexicana +  and Artemisia revoluta +
Artemisia ludoviciana subsp. mexicana +
Artemisia ludoviciana +
subspecies +