Eupatorium
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| Exposure: | ☼ | ?"?" is not in the list (sun, part-sun, shade, unknown) of allowed values for the "Exposure" property. |
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| Water: | ◍ | ?"?" is not in the list (wet, moist, moderate, dry, less when dormant) of allowed values for the "Water" property. |
Read about Eupatorium in the Standard Cyclopedia of Horticulture
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Eupatorium (named for an ancient king of Pontus said by Pliny to have employed one of this group of plants in medicine). Compositae. Joe-Pye Weed. Thoroughwort. Boneset. Hemp Agrimony. Mist-flower. Chiefly perennial herbs, a few species annual, many of the tropical ones shrubby or even arborescent; some of them hardy border plants, others grown in coolhouses as florists' plants, and others in warmhouses for the attractive foliage. Heads rayless, mostly in dense flat-topped or rounded clusters, less frequently in open panicles, the florets (rarely 1-4) mostly 5 or more in each head, perfect, the 2 style-branches long, threadlike or club-shaped, protruding far out of the tube of the floret; involucre cylindrical to hemispherical, its scales in 2 to many overlapping ranks: achenes 5-angled, crowned with a well-developed pappus of hair-like mostly white bristles: Lvs. mostly opposite: fls. purple, rose-colored or white, more rarely lilac or bluish violet, never yellow. — At least 600 species, chiefly of Mex., the W. Indies, and Trop. S. Amer. Certain species, now botanically placed in Eupatorium, still appear in trade catalogues and seed-lists under the names Hebeclinium and Conoclinium. Others have been confused with Ageratum. Of this large and varied genus relatively few species have been brought into cultivation. Of these, there are two classes, namely certain warm-country species adapted only to glasshouse culture, and on the other hand a few native North American species (as well as the hemp agrimony of Europe), more or less tractable in cultivation, especially as components in making up mixed hardy borders. The glasshouse species are seen only in the larger or amateur collections, as a rule, although a few have been long in European cultivation. Of the hardy species, some, reputed medicinal, are found in old -gardens. The glasshouse species demand the general treatment of Piqueria (Stevia of florists) — a cool or intermediate temperature and pot culture. They are easy to grow, and propagate readily by cuttings. They are useful for winter oloom, the heads, though individually small, being aggregated in showy masses.
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Cultivation
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Species
Gallery
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References
- Standard Cyclopedia of Horticulture, by L. H. Bailey, MacMillan Co., 1963
External links
- w:Eupatorium. Some of the material on this page may be from Wikipedia, under the Creative Commons license.
- Eupatorium QR Code (Size 50, 100, 200, 500)