Rubus idaeus L.  
Family: Rosaceae
American red raspberry,  more...
Rubus idaeus image
L.R. Landrum  
Plant: woody shrub; Canes 1-2 m long, erect to decumbent; old epidermis of floricanes flaking off; plants in ours pubescent and glandular; prickles many, slender, narrow-based, terete or subterete, at most only moderately down-curved, often gland-tipped Leaves: deciduous, green above, gray to white below; leaflets usually lanceolate; margins irregularly serrate to doubly serrate, sometimes lobed; primocane leaves in ours 7-16 cm long, 5-15 cm wide, pinnately 3-9-foliolate; floricane leaves 2-8(-11) cm long, 2-7 cm wide, pinnately 3-5(-7)-foliolate INFLORESCENCE: simple obscurely bracteate cymes with 1-4 flowers terminating short side-branches of the floricane or in leaf axils, sometimes surpassing the leaves Flowers: sepals ascending, caudate, 4-12(-20) mm long, the main portion deltoid to narrowly lanceolate; ovaries tomentose; styles glabrous Fruit: large, tasty, spherical to sub-hemispherical, weakly coherent, separating from the torus; drupelets bright red, tomentulose, fleshy Misc: Pine, fir, and spruce forests often in wet or rocky places; 1850-3500 m (6000-11500 ft); (May-)Jun-Aug(-Sep) REFERENCES: Brasher, Jeffrey W. 2001. Rosaceae. J. Ariz. – Nev. Acad. Sci. Volume 33(1).
Rubus idaeus image
Max Licher  
Rubus idaeus image
Max Licher  
Rubus idaeus image
Patrick Alexander  
Rubus idaeus image
Patrick Alexander  
More Images        Web Links       View Parent Taxon       Close window