Rosa spinosissima
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Standard Cyclopedia of Horticulture |
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Rosa spinosissima, Linn. (R. pimpinellifolia, Linn.). Scotch Rose. Low shrub, with upright recurving or spreading branches, 3-4 ft. high, usually densely beset with slender prickles and bristles: lfts. 5-11, usually 9, orbicular to oblong-ovate, simply or doubly serrate, glabrous, sometimes glandular beneath, 1/4-3/4in. long: fls. solitary, but usually very numerous along the sts., pink, white, or yellowish, 1 1/4-2 in. across; pedicels smooth or glandular-hispid: fr. globular, black. May, June. Eu., W. Asia to China. Gn. 55, p. 425; 60, p. 24; 74, p. 598. W.R. 82—Very variable. Var. altaica, Rehd. (A. altaica, Willd. R. grandiflora, Lindl.). More vigorous: fls. large, white; pedicels smooth. B.R. 888. Gn. 53:170. A.F. 12:1099. Gng. 5:307. F.E. 18:7. C.L.A. 7:620; 20:20. G. 31:389; 34:501. W.R. 86. Var. myriacantha, Koehne (R. myriacantha, DC.). Branches very prickly: lvs. doubly glandular-serrate, very small: fls. small, white, blushed. Red. Ros. (1:6, 7). W.R. 88. Var. inermis, Rehd. (var. mitissima, Koehne. R. pimpinellifolia var. inermis, DC. R. mitissima, Gmel.). Branches almost unarmed: fls. pink. Red. Ros. (1:6, 6). Var. hispida, Koehne (A. hispida, Sims. R. lutescens, Pursh). Taller: lfts. simply serrate: pedicels smooth: fls. sulfur-yellow, 2 1/2- 3 in. across, rather large. B.M. 1570. Gn. 56:398; 62, p. 17. J.H.S. 27:508. W.R. 87. Var. luteola, Andr. (R. ochroleuca, Swartz). Similar to the preceding variety: fls. pale yellow, 2 in. across: lfts. 7. G. 28:281. Var. Andrewsii, Willmott. A low form with double red fls. W.R. 89. There are also other varieties with double or semi-double, pink, white (G.W. 7, p. 139), or yellow fls. ( Gn. 29:448). Several hybrids are known. R. hibernica, Smith, a low shrub with glaucous green foliage and small pale pink fls., is a hybrid with R. canina. W.R. 98. R. reversa, Waldst. & Kit. (R. rubella, Smith), with dark green foliage, red fls. and scarlet, pendulous ovate-oblong frs., is a hybrid with R. pendulina.
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References
- Standard Cyclopedia of Horticulture, by L. H. Bailey, MacMillan Co., 1963
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