Northeastern Asian Flora
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Rhamnus utilis Decne.   (redirected from: Rhamnus diamantiaca Nakai)
Family: Rhamnaceae
[Frangula crenata var. stenophylla (Koidz.) Honda, moreRhamnus acuminatifolia Hayata, Rhamnus cambodiana Pierre ex Pit., Rhamnus cathartica var. davurica (Pall.) Maxim., Rhamnus cathartica var. intermedia Maxim., Rhamnus crenata var. cambodiana (Pierre ex Pit.) Tardieu, Rhamnus crenata var. oreigenes (Hance) Tardieu, Rhamnus crenata var. stenophylla Koidz., Rhamnus crenata var. yakushimensis Makino ex Masam., Rhamnus davurica f. pubescens H.Hara, Rhamnus davurica var. nipponica Makino, Rhamnus diamantiaca Nakai, Rhamnus hypochrysus C.K.Schneid., Rhamnus nipponica (Makino) Grubov, Rhamnus oreigenes Hance, Rhamnus pseudofrangula H.L?., Rhamnus shozyoensis Nakai, Rhamnus sieboldiana Makino, Rhamnus ussuriensis J.J.Vassil., Rhamnus utilis var. chingshuiensis (T.Shimizu) T.Yamaz., Rhamnus utilis var. hypochrysa (C.K.Schneid.) Rehder]
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  • Japan Flora
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Japan Flora: Large, gla­brous or nearly glabrous, deciduous, dioecious shrub; leaves narrowly oblong or often broadly obovate in the smaller ones, 5-10 cm. long, 2-3 cm. wide, acuminate with an obtuse dp or sometimes rounded at apex, cuneate at base in smaller ones, ob­tusely serrulate, the lateral nerves 4- or 5-pairs, suberect, form­ing an acute angle with the midrib, incurved at tip, the petioles 1-2 cm. long; flowers small, few in the lower axils of the branchlets, glabrous, yellowish green, 4-5 mm. across, the pedi- cek about 1 cm. long; calyx-lobes elongate-deltoid, acute; fruit obovate-globose, 6-8 mm. across, black, usually with 2 stones. May.

Honshu (centr. and n. distr.).  Dahuria, n. China, Manchuria, and Korea.

Rhamnus utilis
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Development supported by College of Agriculture and Life Sciences of Seoul
National University and Korea National Arboretum of Korea Forest Service.
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