i 3 8 ROSE FAMILY 



Rambler," a Japanese hybrid of unknown origin. The canes are not 

 entirely hardy in Minnesota unless taken down and covered with straw. 



Rosa blanda A i t o n 1789 Smooth Wild Rose 



Shrub 2 dm.- 12 dm. high, spreading widely by creeping rhizomes, 

 woody twigs usually dark purplish red, first year shoots from the rhizome 

 usually covered with many weak bristle-like prickles, shoots on old wood 

 with a few scattered prickles, or often entirely smooth; leaves with 5-7 

 leaflets, very rarely with more, leaflets ovate to lanceolate, usually with 

 stalks about 1 mm. long, sharply and usually simply serrate down to the 

 middle or a little lower, upper side dull, nearly smooth, lower side pale, 

 finely woolly pubescent, the midrib prominent, ridged, principal veins 

 distinct but not ridged, tip rounded, obtuse or acute, base wedge-shaped, 

 upper leaflets 2.1-4 cm. long, 1-2 cm. wide, lower leaflets one-half or two- 

 thirds as large, petiole and rachis with fine woolly pubescence, very rarely 

 glandular ; stipules simple, entire or with the free auricles finely serrate, 

 thin, veiny, usually smooth except along the margin, wide expanded. 

 especially those of the upper leaves, the pair often 1 cm. wide; flowering 

 shoots borne on the old wood, flowers solitary or in loose clusters of 2-S, 

 bracts of the inflorescence leaf-like, or with the blade reduced or lacking 

 and the stipules forming broad round-ovate bracts, pedicel of flower out- 

 side of receptacle smooth, sepals usually simple, slightly broadened at the 

 tip, 1.5-2 cm. long, glandular on the outside, or rarely smooth, finely 

 Avoolly pubescent within, petals bright pink or sometimes pale, flower 3.5 

 cm. across; calyx persistent, in fruit more or less erect, fruit scarlet, 

 round or somewhat elongated; achenes slender about 4 mm. long, light 

 brown : b 1 a n d a, smooth. 



Copses, .edge of woods, prairies, Newfoundland to Saskatchewan, 

 south to New Jersey and Illinois — throughout the state except in the 

 far northeast, most common in the woodland portion. 



A form with glandular pubescent foliage, doubly serrate leaves and 

 usually solitary flowers occurs about the Twin Cities, and in several places 

 in the Minnesota valley. 



Rosa arkansana Porter 1874 Prairie Wild Rose 

 R. pratincola Greene 



Low shrub about 3-5 dm. high, or almost herbaceous from the wide- 

 spreading woody rhizome, and sometimes scarcely 1 dm. high, woody twigs 

 purplish red or reddish green, twigs usually covered with fine bristle-like 



