Whitebark raspberry

Rubus bernardinus (Greene) Fedde; R. leucodermis subsp. bernardinus (Greene) Thorne; R. leucodermis var. bernardinus (Greene) Jepson; R. leucodermis var. trinitatis A. Berger

Shrubs, 10–30 dm, moderately to densely armed. Leaves abaxially white-tomentose. Inflorescences (2–)3–10(–12)-flowered. Flowers: petals oblong to oblanceolate, 3–6(–8) mm. Fruits: drupelets (20–)30–60, pubescent. 2n = 14.

Flowering Apr–Aug. Moist to dry, open, often rocky areas, shaded roadsides, sheltered openings, thickets, open forests; 0–2700 m; B.C.; Alaska, Ariz., Calif., Idaho, Mont., Nev., N.Mex., Oreg., Utah, Wash; Mexico (Chihuahua).