Distribution: Widely distributed on both sides of the Cascades crest in Washington; Alaska to California, east across much of North America.
Habitat: Moist woods, from sea level to moderate elevations in the mountains.
Growth Duration: Perennial
Conservation Status: Not of concern
Pollination: Ants, bees, flies, butterflies, beetles, wasps
Perennial herbs from creeping rhizomes, the stems 2-8 dm. long, prostrate to ascending or scrambling on other vegetation, usually hooked-scabrous at least below on the edges of the square stem.
Leaves vanilla-scented, usually in whorls of 6, narrowly elliptic to oblanceolate, sharp-pointed, 1.5-4.5 cm. long, 1-nerved, usually with scabrous hairs on the margins and midrib beneath, otherwise glabrous.
Peduncles axillary, elongate, 3-flowered, with divergent pedicels; calyx obsolete; corolla rotate, whitish, 2-3 mm. wide, the 4 lobes much longer than the tube; ovary 2-celled, inferior.
Fruit dry, 1.5-2 mm. long, covered with hooked bristles 0.5-1 mm. long.