Artemisia ludoviciana subsp. candicans

(Rydberg) D. D. Keck

Proc. Calif. Acad. Sci., ser. 4, 25: 447. 1946

Synonyms: Artemisia gracilenta A. NelsonArtemisia latiloba (Nuttall) RydbergArtemisia ludoviciana var. candicans (Rydberg) H. St. JohnArtemisia ludoviciana var. latiloba NuttallArtemisia vulgaris subsp. candicans (Rydberg) H. M. Hall & ClementsArtemisia vulgaris var. candicans (Rydberg) M. Peck
Basionyms: Artemisia candicans Rydberg
Treatment appears in FNA Volume 19. Treatment on page 529. Mentioned on page 527.
Stems 30–50(–80) cm, mostly simple, sparsely tomentose. Leaves ± white; blades broadly obovate to oblong, 4–10 × 1.5–4 cm, relatively deeply lobed (lobes, lanceolate, 1/3+ blade lengths, acute), faces tomentose (usually less densely adaxially). Heads in racemiform arrays 4–7 × 2–4 cm. Involucres (broadly campanulate), 4–5 × 4–8 mm. Florets: pistillate 8–10; bisexual 20–30; corollas 1.5–2 mm.

Phenology: Flowering mid–late summer.
Habitat: Mountains, usually in loamy soils
Elevation: 1800–3000 m

Distribution

V19-911-distribution-map.gif

Alta., B.C., Calif., Idaho, Mont., Nev., Oreg., Utah, Wash., Wyo.

Discussion

Subspecies candicans is broadly circumscribed in this treatment. Variants within the complex, especially var. latiloba, may merit segregation.

References

None.

Lower Taxa

No lower taxa listed.