Sageworts are annual, biennial, or perennial herbs, or shrubs, usually aromatic, with alternate leaves, entire to cut into fine segments, and a spike-like, or somewhat compound flower cluster.
The flowerheads are small, containing disk flowers only, sometimes with both stamens and pistils, or sometimes with the outer flowers female, and the central ones then sometimes being sterile. The involucral bracts are dry, partly overlapping, at least the inner membranous or with membranous edges. The receptacle is flat to hemispheric, naked or densely beset with long hairs. The style branches are flattened, straight, and tufted with small hairs. The achenes are usually hairless. The pappus is a very short crown, or usually lacking.
The genus consists of more than 100 species worldwide, found throughout the northern hemisphere, and in South America. The name Artemisia is an ancient name of some of the species, in memory of Artemisia, the wife of Mausolus. |
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Guide to Identify Presented Species of Genus Artemisia
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LEAVES ALTERNATE, HAIRLESS, CUT INTO NARROW SEGMENTS
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A. dracunculus – Tarragon
Hairless, 50-150 cm tall, stems several. Open, dry sites, plains-montane.
Flowerheads yellowish, 2-4 mm wide, in narrow, elongated, compound clusters.
Leaves alternate, lance-shaped to linear, 3-8 cm long, 2-10 mm wide, entire.
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LEAVES ALTERNATE, ENTIRE
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A. ludoviciana – White Sage
Aromatic, 30-100 cm tall, often in colonies. Open places, plains-montane.
Flowerheads yellowish and white-woolly, 3-5 mm wide, in tall, narrow clusters.
Leaves alternate, 3-11 cm long, lance-shaped to linear, toothless, white-woolly.
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