Field Guide to Forest Plants of Northern Idaho

United States Department of Agriculture Forest Service Rocky Mountain Research Station Ft. Collins, CO General Technical Report RMRS-GTR-118-CD February 2004 Authors Acknowledgments Introduction Species description   format Trees Shrubs Ferns & Friends Forbs Graminoids Descriptive drawings Collecting and    pressing methods Glossary References

Rubus Conspectus Species Form Arming Leaves Flowers Fruits Notes Rubus idaeus red raspberry Ruid erect shrub up to 2m (7ft) tall armed; prickles on stems deciduous; compund; 3-5 leaflets; double serrate white; 1-4 per axil yellow or red raspberry native red raspberry Rubus nivalis snow dewberry Runi prostrate; trailing subshrub armed; small hooked prickles, leaves and stems evergreen; simple; 3 lobed; ovate dentate-serrate pink to purple; single or paired red drupelets coastal disjunct, easy to cultivate Rubus parviflorus thimbleberry Rupa erect shrub up to 2m (7ft) tall unarmed deciduous; simple; maplelike; double serrate white; 5-23cm (2-9in) clusters red aggregate thimblelike drupelets widespread Rubus pedatus strawberry bramble Rupe mat-forming; herbaceuos perennial <10cm (4in) tall unarmed deciduous; compound; 3-5 foliate; double serrate white; singular 3-6 red drupelets easy to cultivate Rubus ursinus blackberry Ruur prostrate trailing shrub armed slender prickles deciduous; compound; 3 leaflets; double serrate large white or pink in flat-top clusters blackberry coastal disjunct