FIELD ID CHARACTERISTICS:
Look for basal leaves larger than stem leaves, very rough above and smooth below. Fairly restricted to wetlands.
Description: Medium or tall height perennial, 1 to 2 m tall, with basal leaves and erect flowering stem.
Leaves: Alternate, simple leaves with serrated edges. Basal leaves 15 to 35 cm long. Leaves at base of stem with winged petioles and much larger than those at midstem. Upper leaf surfaces very rough, lower surfaces smooth.
Flowers/Fruit: Small, yellow flowers in open panicle, about as broad as long. Stem below inflorescence is smooth. Seeds are brown with short white bristles. Flowers and fruits August to early October.
Habit and Range: Mountain bogs, seeps, swampy woods, stream banks; found only in the Mountains.
