Artemisia dracunculus |
Artemisia rigida |
|
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dragon sagewort, tarragon |
scabland sagebrush, stiff sagebrush |
|
Habit | Herbs or subshrubs perennial, 5–15 dm; taproots woody. | Shrubs deciduous, 2–6 dm; taprooted. |
Stems | glabrous or occasionally villous-puberulent. |
canescent or glandular-puberulent, glabrate proximally. |
Leaves | cauline, numerous, linear, 2–8 cm; margins entire, rarely some few-cleft; tips acute or acuminate; surfaces glabrous, sessile. |
cauline, 1–4 cm, deeply divided into 3–5 linear lobes; surfaces canescent or resinous-glandular, sessile or petioles present. |
Inflorescences | panicle-like. |
panicle- or raceme-like. |
Involucres | spherical or hemispheric, 2–4 mm. |
cylindric to narrowly campanulate, 4–6 × 2.5–3.5 mm. |
Receptacles | glabrous. |
glabrous. |
Florets | 15–45; outer pistillate; inner functionally staminate. |
4–8. |
Phyllaries | in several equal series, with a few short outer, lanceolate; margins membranous; tips obtuse; surfaces glabrous. |
in 3–5 unequal series, triangular to oblanceolate; outer gradually shorter; margins membranous; surfaces canescent. |
Fruits | 0.5–1 mm, glabrous. |
1–1.5 mm, glabrous. |
Heads | disciform; erect or nodding, peduncled. |
discoid; erect, sessile. |
2n | =18. |
=18, 36. |
Artemisia dracunculus |
Artemisia rigida |
|
Distribution | ||
Discussion | Open woodlands shrublands, thickets, grasslands, riverbanks, rocky slopes and cliffs, disturbed areas. Flowering Jul–Oct. 50–1600 m. BR, BW, Col, ECas, Lava, Owy. CA, ID, NV, WA; north to AK, northeast to Quebec, east to MA, southeast to TX. Native. |
Shrublands, open coniferous woods. Flowering Jun–Oct. 600–1800 m. BR, BW, Col, Owy. ID, WA; northeast to MT. Native. |
Source | Flora of Oregon, volume 2, page 191 Kenton Chambers |
Flora of Oregon, volume 2, page 193 Kenton Chambers |
Sibling taxa | ||
Synonyms | Artemisia dracunculus var. dracunculus | |
Web links |
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