Wild develop plants have a loose , relaxed kind and are often hardy and drought resistant . Their flowers are loosely little than civilize varieties and may be highly fragrant or unscented . Some find in the state of nature are dead on target natives , but others may have escaped from cultivation . Still others , like the ' Harrison ’s Yellow ' find in western state of matter , can be an index number of old homestead . Identification is based on flush sizing , fragrancy , color , leaf characteristic and shrub elevation and form .
Flower Characteristics
Take bank bill of the flower color and size ; petal number and shape ; fragrance ; and whether they are borne in sprays or singly . Most truly wild roses have flowers with only five petal , usually pinkish . Most also bloom only once , in early summertime . Any rose bloom later in the season may be a cultivated variety survive furious .
Later in the year , look at the size and shape of the hips for clues to the species .
Leaf Shape and Texture
Rose leaf are divided into leaflet , a single fore with three or more minuscule leaves branching off of it . take note whether the boundary are toothed and whether the surface of the leaf is flat or ridge . One jump native to northern Asia sometimes detect in the natural state is Rosa rugosa , the Japanese rose . " Rugosa " refers to the rugose or corrugate textured of the leaf .
Shrub Form and Characteristics
The superlative of the shrub , whether the theme arc or stand stiffly straight , whether it is grow in sunlight or tad and whether it is densely or sparsely thorny are all details that help identify a rose . Note also the surrounding ecosystem , whether it is dry or boggy , a sandy shore or mountainside .
Common Native Roses
From Nebraska east you may encounter Rosa carolina , R. palustris , Carolina rose and swamp pink wine . Both are small shrub with 2 - inch pink flowers .
Rosa blanda , the prairie rose , rise from Ontario to Texas and W to the Rocky Mountains . It ’s a climber with clear - pink efflorescence fading to egg white .
Farther west , common wild roses include R. nutkana with 1 - inch - spacious pinkish blossom and R. woodsii with white to dark rosaceous flowers . Both make large thickets 4 to 5 feet high .

Cultivated Species Gone Wild
Rosa baby rose , an Asian species considered a noxious gage in many places , has heavy bunch of white peak and can strain a height of 15 feet .
Rosa eglanteria , the eglantine rose mentioned in Shakespeare , has very little pinkish flowers but Malus pumila pie - odorous foliation . It also makes a large bush .
Rosa rugosa has corrugated leaves and large , purple - pinkish flowers that bloom throughout the summertime . Its pelvis are also prominent , 1 1/2 inch across .