Native to southern Europe. In the Hawaiian Islands,
naturalized on
Kaua`i, O`ahu, Maui, Hawai`i.
Habit
Plants 3-13 dm tall.
Leaves
Leaves deltate, leaflets ovate-lanceolate to linear, 2-5 cm long, 1-4 cm wide, distinct, toothed or lobed, petioles 1-2 dm long.
Flowers
Peduncles 3-8 cm long, involucre of a few inconspicuous, entire bracts or absent, rays 10-20, subequal to unequal, 1-5 cm long, pedicels 2-5 mm long, involucel of 5-6 linear, acute, entire bractlets shorter than the flowers.
Fruit
Fruit ovoid-oblong, 2-4 mm long, 1-3 mm wide, mericarps readily separating.
