
1) European wildflower 2) Light-pink wild flower
Found on
https://www.crosswordclues.com/clue/dog-rose

• (n.) A common European wild rose, with single pink or white flowers.
Found on
http://thinkexist.com/dictionary/meaning/dog-rose/
Dog'-rose` noun (Botany) A common European wild rose, with single pink or white flowers.
Found on
http://www.encyclo.co.uk/webster/D/107

The dog rose (Rosa canina) is a deciduous shrub of the family Rosaceae, native to Britain and Europe, with arched, downward-curving branches, which are armed with stout hooked prickles. The leaves are odd pinnate with between five and seven ovate to elliptic, serrate, leaflets. The petioles and midribs often bear prickles. The flowers are stalked, ...
Found on
http://www.probertencyclopaedia.com/browse/BD.HTM

[
n] - prickly wild rose with delicate pink or white scentless flowers
Found on
http://www.webdictionary.co.uk/definition.php?query=dog%20rose
Rosa canina noun prickly wild rose with delicate pink or white scentless flowers; native to Europe
Found on
https://www.encyclo.co.uk/local/20974

an Old World wild rose, Rosa canina, having pink or white flowers.
Found on
https://www.infoplease.com/dictionary/dog-rose
No exact match found.