Achillea erba-rotta subsp. moschata
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Standard Cyclopedia of Horticulture |
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Iva (named after Ajuga Iva, from its similar smell).compositae. A genus of about twelve species of American shrubs or shrubby herbs with flowers suggesting those of Artemisia, or the common ragweed,but from which it differs in having heads all of one kind, the bracts of the involucre not united. This includes I. frutescens, Linn, the Marsh Elder or High-water Shrub, a native hardy perennial of no garden value, which is, nevertheless, on record as having been cultivated. It grows 3 to 12 feet high in salt marshes and on muddy seashores, has serrate leaves and flowers as inconspicuous as those of a ragweed.
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Cultivation
Propagation
Pests and diseases
Varieties
Gallery
References
- Standard Cyclopedia of Horticulture, by L. H. Bailey, MacMillan Co., 1963
External links
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