Oxytropis lambertii
Oxytropis lambertii subsp. var. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Standard Cyclopedia of Horticulture |
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Oxytropis lambertii, Pursh. (Aragallus Lambertii, Greene). Pig. 2693. A tufted perennial with strong taproot and several erect scapes, 4-20 in. tall: spike short-oblong, densely fld.; fls. usually purple or violet: lfts. about 7 pairs: pod broadly or narrowly oblong, silky pubescent, firm-coriaceous, 2-celled. Fls. June, July. Includes O. carmpestris. Hook. Fl. Bor. Am. in part, also Aragallus paterts, A. angustatus and A. atropwrpureus of Ryd- berg. B.M. 2147 (dark blue). B.R. 1054 (blue). V. 3:138.—Aven Nelson, in Erythea 7:62, says that the specific name should be kept for the purple-violet-fld. forms. D. M. Andrews offers a crimson-fld. form and also var. spicata, which has large spikes of white fls. Common along the Great Plains from Sask. to New Mex. and in the foothills where it is held to be responsible, as a loco-weed, for the poisoning and death of sheep and cattle. A clue as to its cultural requirements may be had from its wild habitat in open ground growing in masses of considerable extent.
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Cultivation
Propagation
Pests and diseases
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References
- Standard Cyclopedia of Horticulture, by L. H. Bailey, MacMillan Co., 1963
External links
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