Other Common Names: Autumn adonis, bird's-eye
Weed class: monitor list
Native to: Asia, Europe and Northern Africa
Why Is It a Noxious Weed?
This plant is on the monitor list only and is not on the state noxious weed list. Please contact its sponsor Nelle Murray to report locations or for more information.
How would I identify it?
Herbaceous, upright annual that can grow to 18 inches (45cm) tall.
Flowers are cup-shaped, 0.6 to 1 inch (1.5-2.5 cm) in diameter. Its sepals are appressed to the petals. Sepals broadly obovate, minutely ciliate (hairy). Flowers have 6-10 spreading petals, dark red (orange to red-purple), usually with a dark basal blotch. Stamens 15-20, anthers purple-black when young, and pistils 20-30.
Leaves are finely divided, 2-3 pinnate, and are 1 1/4 to 2 inches (3-5cm) long. Leaflets are linear.
Fruit Seed Description
Fruit is a head of achenes, short-cylindric, with each achene 3-5 mm, hairless, beak straight 0.5-1 mm. Body of achene without transverse flange, abaxial keel not toothed.