Erysimum asperum
Standard Cyclopedia of Horticulture |
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Erysimum asperum, DC. Fig. 1418. Biennial or perennial, height 1-3 ft. in the wild, 12-18 in. in gardens, the sts. erect: Lvs. lanceolate to linear, either canescent or thin and green, dentate or entire, upper ones mostly entire, the lowest sometimes pin- natifid: fls. ½ in. or more across, orange or yellow, seldom purple: pods rough, 1½-5 in. long, 4-sided, nearly erect. Que. to Texas and Calif. Var. arkansanum, Gray (E. arkansanum.). Lvs. thin, repand-dentate, lanceolate. CH
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References
- Standard Cyclopedia of Horticulture, by L. H. Bailey, MacMillan Co., 1963
External links
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