UW Burke Herbarium species comparison

Leaf blades 3-6 cm. long, bright green and shining, glabrous, mostly simple, cordate-ovate, to 3-lobed, the margins dentate-serrate;

petioles with curved prickles.

Leaves with prominent, brownish, entire stipules, the blades long-petiolate, palmately divided into 5 leaflets;

leaflets obovate, doubly serrate, 1-3 cm. long.

Flowers single or in pairs in the leaf axils;

calyx lobes 5, ovate-lanceolate, pointed, 6-9 mm. long, reflexed, usually purplish;

petals inconspicuous, pink to dull purple, narrowly elliptic, somewhat longer than the sepals;

stamens about 15, filaments slender, purplish;

pistils 4-9, pubescent.

Flowers solitary on filiform peduncles 2-6 cm. long;

calyx nearly glabrous, the 5 lobes narrowly oblong-lanceolate, 5-11 mm. long, toothed near the tip;

petals 5, white, oblong, equaling the sepals;

stamens numerous;

pistils 3-6, glabrous.

Drupelets large, red;

seeds 3-4 mm. long, wrinkled.

Drupelets red, somewhat coherent;

seeds 4 mm. long.