Erysimum
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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 Erysimum in the Standard Cyclopedia of Horticulture
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Erysimum (probably means blister-drawing). Cruciferae. Of this genus two brilliant yellow and orange, spring- and summer -blooming hardy "annuals, are cultivated, scarcely, if at all, inferior to the true wallflowers (Cheiranthus) for general purposes, and a few rock-garden and wild-garden plants. Biennial, annual and perennial herbs, with long soft appressed 2-parted hairs: Lvs. narrow, linear or oblong, entire or variously toothed: fls. orange or yellow, rarely purple, often fragrant; petals 4, usually large, clawed; stamens 6, free and without appendages: style persistent: pod broad-linear, strongly compressed or sometimes 4-angled; seeds many, various.—Species 80-90 in the north temperate zone, being most numerous in Eu. and Cent. Asia. Some of the species are said to hybridize with Cheiranthus. Numbers of species are likely to be mentioned as good subjects for alpine-gardening. Although some of the popular kinds are biennials, the gardeners think of them as annuals. Their seeds can be sown in the fall and produce bloom earlier than if sown in spring. The rock-garden kinds do well also in the front row of the border and on dry banks. They like full exposure to sunlight, and in the spring months are completely covered with bright flowers. Divided plants, as well as seeds, are offered by American dealers. In general, no special difficulty is experienced with erysimums. In Gn. 24, p. 462, it is said that E. ochroleucum on level ground is likely to lose its lower Lvs. and to perish on heavy soils in hard winters. It thrives best when frequently divided, and may be propagated by cuttings. E. Barbarea, Linn., with forms having double fls. and variegated Lvs., is Barbarea vulgaris. E. Marschallianum, Andrz. Biennial, perennial, 6-8 in. high: Lvs. lance-linear: fls. large, bright orange-yellow: used as an alpine Siberia.—E. murale, Desf. Spring-flowering biennial or perennial, 6-8 in., forming a tuft: Lvs. deep green, narrow: fls. golden yellow. Eu. Wilhelm Miller. L. H. B. CH
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References
- Standard Cyclopedia of Horticulture, by L. H. Bailey, MacMillan Co., 1963
External links
- w:Erysimum. Some of the material on this page may be from Wikipedia, under the Creative Commons license.
- Erysimum QR Code (Size 50, 100, 200, 500)