General:
Dioecious perennial herb from a rhizome; stems erect, stout, 40-150 cm tall, simple or branched, hollow; plants smooth or sparsely minutely-hairy.

Leaves:
Mostly stem leaves, alternate, the basal and lower stem leaves stalked, 3- to 5-times 3-parted, the leaflets brownish-green, dark green or bright green above, paler, prominently veined, and hairy and/or pimply with minute glands below, leathery, egg-shaped, 15-60 mm long, 8-45 mm wide, the length 1- to 2.5-times width, the tips undivided or 2- to 5-pointy- or bluntly-lobed, margins often rolled under, the upper stem leaves unstalked; stalks smooth or sometimes hairy and/or glandular-hairy.

Flowers:
Inflorescence a many-flowered, pyramidal panicle, the flowers unisexual, male and female flowers on separate plants; all flower stalks usually smooth, rarely hairy or glandular-hairy; petals absent; sepals 4 (-6), whitish, lanceolate, 3-5 mm long; stamens 18-25, the filaments white to purplish, threadlike, 2-6.5 mm long, the anthers 1-3.6 mm long, sharp-pointed.

Fruits:
Achenes, about 10, egg- to spindle-shaped, 2-4.6 mm long, strongly veined, usually hairy and/or glandular, unstalked or stalks to 1 mm long; beaks often deciduous, spindle-shaped, 1.5-4.5 mm long, straight.

Source:  The Illustrated Flora of British Columbia

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:
Thalictrum dasycarpum var. hypoglaucum (Rydb.) B. Boivin
Thalictrum hypoglaucum Rydb.