Onosma stellulatum
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Read about Onosma stellulatum in the Standard Cyclopedia of Horticulture
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Onosma stellulatum, Waldst. & Kit. Perennial, branched at base, ascending, hispid: Lvs. linear-oblong, plane, obtuse or the upper ones acute: fls. yellow, more or less cernuus, short-pedicelled, in bifid cymes; corolla 1 in. long and about ½ in. wide at apex, somewhat clavate, twice longer than calyx, the teeth very short and revolute. S. and S. E. Eu. Variable; cult. chiefly in the var. tauricum, Hort. (O. tauricum, Pall. O. angustifolium, Lehm.), with narrow revolute Lvs. and citron-yellow fls., the corolla often 1½ in. long. B.M. 889. J.H. III. 35:11. Gn. 50, p. 251. G.C. II. 16:21: III. 51:274. G. 4:447. Succeeds well on high ground or on sunny rockery, with light, open, deep sou. Prop, by cuttings generally, or by seed.—Var. compactum, Hort., is a condensed form. M.D.G. 1912:325. O. helveticum. Boiss, is a Swiss form, not so tall and with rather broad Lvs. G.C. III. 52:280.
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References
- Standard Cyclopedia of Horticulture, by L. H. Bailey, MacMillan Co., 1963
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