Dryas

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Noun1.Dryas - mountain avens
rosid dicot genus - a genus of dicotyledonous plants
family Rosaceae, Rosaceae, rose family - a large family of dicotyledonous plants of order Rosales; have alternate leaves and five-petaled flowers with numerous stamens
Dryas octopetala, mountain avens - creeping evergreen shrub with large white flowers; widely distributed in northern portions of Eurasia and North America