General: Perennial. Stem 1-3 m tall, hairs woolly.
Leaves: Leaves with widely sheathing petioles 10-40 cm long, upper sheaths enlarged, bladeless, blade 20-50 cm wide, round to kidney-shaped, leaflets 3, 10-40 cm wide, ovate to round, lobed or toothed, usually hairy.
Flowers: Inflorescence usually 10-20 cm in diameter, woolly or long-hairy, peduncle 5-20 cm long, involucre bracts 5-10, deciduous, narrow, 5-20 mm long, involucel bractlets similar to involucre bracts, rays 15-30, 5-10 cm long. Petals obovate, white.
Fruits: Fruit 8-12 mm long, obovate to heart-shaped, narrowed toward base, flat, winged, glabrous or hairy.
Account Author:: Fred Ganders, 2010.
USDA Species Characteristics
Flower Colour: White
Blooming Period: Early Summer
Fruit/Seed characteristics: Colour: Brown Present over the Summer
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)