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Artemisia franserioides
Greene
Family:
Asteraceae
Ragweed Sagebrush
Al Schneider
FNA
Resources
Leila M. Shultz in Flora of North America (vol. 19, 20 and 21)
Biennials or perennials,
30-100 cm, faintly aromatic (rhizomatous).
Stems
1-3, erect, reddish brown, simple (leafy), glabrous or glabrate.
Leaves
basal (in rosettes, petiolate) and cauline, bicolor (white and green); blades ovate, 3-7(-20) × 2-4(-6) cm, 2-3-pinnately-lobed (lobes elliptic, 2-6 mm wide; cauline sessile, smaller), faces tomentose (abaxial) or glabrous or glabrescent (adaxial), glandular.
Heads
(nodding, peduncles 0 or 2) in paniculiform to racemiform arrays 10-35 × 2-4 cm (often 1-sided).
Involucres
broadly ovate, 3-5 × 4-5(-6) mm.
Phyllaries
broadly ovate, sparsely hairy.
Florets:
pistillate 4-5(-13), (1-1.5 mm); bisexual 25-35; corollas yellow, 1.5-2 mm, glabrous.
Cypselae
elliptic, 0.5-0.8 mm, glabrous.
Flowering late summer-early fall. Open coniferous forests, mid to upper montane; 2200-3100 m; Ariz., Colo., N.Mex.; Mexico (Chihuahua).
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This project made possible by
National Science Foundation Award 1410069
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