Artemisia rupestris

Linnaeus
Sp. Pl. 2: 847. 1753.
Synonyms: Absinthium viridifolium var. rupestre (Linnaeus) Besser Artemisia rupestris subsp. woodii Neilson
Treatment appears in FNA Volume 19. Treatment on page 520. Mentioned on page 519.

Perennials, 5–15(–25) cm (cespitose), faintly aromatic. Stems brownish purple, glabrous. Leaves deciduous, bright green; blades (proximalmost petiolate) ovate, 1.5–5 × 1–2.5 cm, 2–3-pinnately lobed (cauline sessile, ternately or pinnately lobed, terminal lobes lance-linear, 1–6 × 0.5–1 mm), faces glabrous or sparsely hairy, glandular. Heads (5–9, pedunculate or sessile, spreading or drooping) in spiciform arrays 3–9 × 0.5–1 cm. Involucres globose, 4–5(–7) × 4–5(–7) mm. Phyllaries green (margins light green), ± hairy. Florets: pistillate 14–16 (glandular, style branches exsert, linear, spreading); bisexual 40–70; corollas 1.5–2 mm, glabrous or glandular (styles shorter than corollas). Cypselae ca. 1 mm (apices flat), glabrous.


Phenology: Flowering late summer–fall.
Habitat: Steppes, alkaline meadows, stony slopes
Elevation: 0–1400 m

Discussion

The sole North American occurrence of Artemisia rupestris in southwestern Yukon is a remarkable disjunction from the Asiatic range of this species.

Selected References

None.

Lower Taxa

None.

... more about "Artemisia rupestris"
Leila M. Shultz +
Linnaeus +
Undefined subg. Absinthium +
Yukon +  and Asia. +
0–1400 m +
Steppes, alkaline meadows, stony slopes +
Flowering late summer–fall. +
Absinthium viridifolium var. rupestre +  and Artemisia rupestris subsp. woodii +
Artemisia rupestris +
Artemisia subg. Absinthium +
species +