General:
Medium to tall shrub, 1-2.5 m tall, from extensive rhizomes, often thicket-forming; stems erect to ascending, unarmed, young growth fine-hairy and stalked-glandular, becoming smooth eventually; bark grey, flaking-off.
Leaves:
Alternate, deciduous, long-stalked, mapleleaf-shaped, 10-20 cm across, palmately 3- to 7-lobed, double-saw-toothed, green and smooth to finely glandular-fuzzy on both surfaces, the stalks with reddish glandular hairs; stipules lanceolate, 6-13 mm long.
Flowers:
Inflorescence of 2 to 10 stalked flowers in small, flat-topped, long-stalked, terminal clusters, the flower-stalks glandular-hairy; corollas white, bowl-shaped, the petals 5, spreading, egg-shaped, 10-30 mm long; calyces densely hairy and usually stalked-glandular, 5-lobed, the lobes egg-shaped with long tail-like tips, spreading, 10-20 mm long; ovaries superior; stamens numerous.
Fruits:
Drupelets, velvety-hairy, coherent in a red, hemispheric cluster that falls intact from the dry receptacle (raspberry-like), the berries 1-1.5 cm wide. vol4_8
If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.
Illustration Source: The Illustrated Flora of British Columbia
Synonyms and Alternate Names:
Rubacer parviflorus (Nutt.) Rydb.
Rubus parviflorus var. bifarius Fernald
Rubus parviflorus var. grandiflorus Farw.
Rubus parviflorus var. heteradenius Fernald
Rubus parviflorus var. hypomalacus Fernald
Rubus parviflorus var. parvifolius (A. Gray) Fernald