Flora of Japan (1965) pp. 540-541
5. Rosa rugosa Thunb. R. ferox Lawrance; R. kamtschatica var. ferox (Lawrance) Géel; R. rugosa var. thunbergiana C. A. Mey.; R. rugosa var. ferox (Lawrance) C. A. Mey.—HAMA-NASU. Erect bushy shrub with stout densely short-pubescent branches with needlelike slender spines and stout flattened short-pubescent prickles; stipules broad, membranous, the free portion broadly ovate or deltoid; leaflets 7-9, nearly equal, oblong, elliptic or obovate, 3-5 cm. long, 2-3 cm. wide, obtuse to rounded, glabrous and minutely bullate or rugulose above, densely cinereous hairy and with sessile pale glandular dots; flowers 1-3, terminal, 6-10 cm. across, deep rose, the pedicels stout, erect, 1-3 cm. long, with slender prickles; calyx with a depressed-globose tube, the lobes 3-4 cm. long, appressed-pubescent and with slender prickles, sometimes with short stipitate glands; fruit subglobose, yellowish red, 2-2.5 cm. across.—June-Aug. Sandy shores; Hokkaido, Honshu on Pacific side south to n. Kantô and on Japan Sea side south to San'in Distr.).—Temperate and northern parts of e. Asia to the Kuriles, Kamchatka, and Sakhalin.
Atlas of Woody Plants in China: Distribution and Climate, Volume 1, page 566 (2011)
edited by Jingyun Fang, Zhiheng Wang, Zhiyao Tang