Artemisia borealis: Difference between revisions
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== Common names == |
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== Description == |
== Description == |
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Perennials, (6–)8–20(–40) cm (cespitose), mildly aromatic; taprooted, caudices branched. Stems (1–)2–5, gray-green, tomentose. Leaves persistent, basal rosettes persistent, gray-green to white; blades ovate, 2–4 × 0.5–1 cm, 2–3-pinnately or -ternately lobed, lobes linear to narrowly oblong, apices acute, faces moderately to densely sericeous. Heads (proximal sessile, distal pedunculate) in (leafy) spiciform arrays 4–9(–12) × (0.5–)1–5 cm. Involucres hemispheric, 3–4 × 3.5–4 mm. Phyllaries (obscurely scarious) densely tomentose-villous. Florets: pistillate 8–10; functionally staminate 15–30; corollas (or lobes) yellow-orange or deep red, 2.2–3.5. Cypselae oblong-lanceoloid, somewhat compressed, 0.4–1 mm, faintly nerved, glabrous.<ref name="efloras">http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=242304389</ref> |
Perennials, (6–)8–20(–40) cm (cespitose), mildly aromatic; taprooted, caudices branched. Stems (1–)2–5, gray-green, tomentose. Leaves persistent, basal rosettes persistent, gray-green to white; blades ovate, 2–4 × 0.5–1 cm, 2–3-pinnately or -ternately lobed, lobes linear to narrowly oblong, apices acute, faces moderately to densely sericeous. Heads (proximal sessile, distal pedunculate) in (leafy) spiciform arrays 4–9(–12) × (0.5–)1–5 cm. Involucres hemispheric, 3–4 × 3.5–4 mm. Phyllaries (obscurely scarious) densely tomentose-villous. Florets: pistillate 8–10; functionally staminate 15–30; corollas (or lobes) yellow-orange or deep red, 2.2–3.5. Cypselae oblong-lanceoloid, somewhat compressed, 0.4–1 mm, faintly nerved, glabrous.<ref name="efloras">http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=242304389</ref> |
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== Where found == |
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== References == |
== References == |
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Revision as of 14:13, 28 October 2010
| Artemisia borealis | |
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| Scientific classification | |
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| Genus: | Artemisia |
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Artemisia borealis is a plant of the genus Artemisia. Some common names are: boreal sage, boreal wormwood, boreal sagewort; Fr: armoise boréale, armoise septentrionale.[1] Subspecies 2 (2 in the flora) are found in western North America, especially at high elevations and northern latitudes; and Eurasia.[2]
Description
Perennials, (6–)8–20(–40) cm (cespitose), mildly aromatic; taprooted, caudices branched. Stems (1–)2–5, gray-green, tomentose. Leaves persistent, basal rosettes persistent, gray-green to white; blades ovate, 2–4 × 0.5–1 cm, 2–3-pinnately or -ternately lobed, lobes linear to narrowly oblong, apices acute, faces moderately to densely sericeous. Heads (proximal sessile, distal pedunculate) in (leafy) spiciform arrays 4–9(–12) × (0.5–)1–5 cm. Involucres hemispheric, 3–4 × 3.5–4 mm. Phyllaries (obscurely scarious) densely tomentose-villous. Florets: pistillate 8–10; functionally staminate 15–30; corollas (or lobes) yellow-orange or deep red, 2.2–3.5. Cypselae oblong-lanceoloid, somewhat compressed, 0.4–1 mm, faintly nerved, glabrous.[2]