General: Perennial herb from a heavy rhizome; stems erect, simple below but freely branching and umbrella-shaped above, glabrous to sparsely hairy above, with milky juice, 20-90 cm tall.
Leaves: Stem leaves alternate, oblong to linear-oblanceolate, entire, glabrous, 2-6 cm long, 3-8 mm wide, lowest leaves almost unstalked; floral leaves in pairs, widely oval to heart-shaped, 12-16 mm long.
Flowers: Inflorescence of many-rayed umbrella-shaped clusters; floral bracts cup-shaped, green; involucres 2-3 mm long; glands 4, brownish-green with short horns.
Fruits: Capsules, inconspicuously warty to nearly glabrous; seeds 1.5-2 mm long, brownish, glabrous.
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.
The table below shows the species-specific information calculated from original data (BEC database) provided by the BC Ministry of Forests and Range. (Updated August, 2013)