UW Burke Herbarium species comparison

Leaves trifoliate, the leaflets ovate, nearly glabrous, doubly serrate, the terminal one 4-9 cm. long, the others smaller, often lobed.

Leaves alternate, usually trifoliate, the leaflets ovate-oblong to broadly lanceolate, 4-10 cm. long, irregularly biserrate, green and glabrous on the upper surface, usually gray-woolly beneath.

Flowers 1-2 on short leafy branches;

calyx pubescent, the 5 lobes ovate-lanceolate, pointed, spreading, 9-15 mm. long;

petals 5, purplish-red, obovate-elliptic, half again as long as the sepals;

stamens 75-100;

pistils numerous.

Flowers several, 1-4 per axil, forming a leafy, racemose inflorescence;

calyx somewhat woolly to bristly-glandular, the 5 lobes reflexed, lanceolate, 4-8 mm. long;

petals 5, white, ascending, narrowly oblong, 4-6 mm. long;

stamens 75-100, glabrous;

pistils numerous, styles slender

Drupelets yellow to reddish, weakly coherent, coming free from the receptacle.

Drupelets weakly coherent to form a red raspberry, finely short-woolly.