The fruit is a spiny achene borne in a spherical cluster of 10 to 20. The flower has five shiny yellow petals under 1 centimetre (0.4 in) long around a lobed central receptacle studded with many stamens and pistils.

Leaves are especially poisonous in spring up to the time the plant flowers. All parts of poison hemlock-leaves, stem, fruit and root-are poisonous. Flowers are yellow, and the berries are enclosed. Creeping buttercup ( Ranunculus repens L.) belongs to the Ranunculaceae family and is classified as a perennial. Use protective clothing and follow the application directions for any herbicide. m.), mix 1 teaspoon with 2 gallons of water and spray onto the affected area. It has a low hazard rating for mobility and persistence in soil. Jimsonweed’s fruit is a hard, spiny, green, egg-shaped capsule around 2 inches in diameter. Leaves are irregularly round-lobed or once or twice pinnately deeply lobed veins are spiny. An herbicide with aminopyralid is safe to use around grass and livestock. Often the majority of the flower will be white with a purple center. They are hairless to hairy in texture, and are borne at the tips of long petioles. Buffalo burr is an annual spiny weed 1-2 ft. The leaves have blades a few centimetres in length which are deeply divided into three lobes or split into three leaflets. The species is hermaphrodite (has both male and female organs) and is pollinated by Flies. It is an annual or sometimes biennial herb producing a mostly hairless stem up to half a meter long which may grow erect or decumbent along the ground. Ranunculus muricatus is a ANNUAL growing to 0.3 m (1ft). It grows in wet habitats, such as irrigation ditches. Canada thistle’s leaves are prickly, lanceolate-shaped with. Canada thistle is a rapidly-growing spiky weed with purple flowers that thrives in a variety of soil conditions. It is native to Europe, but it can be found in many other places in the world, including parts of Africa, Australia, and the western and eastern United States, as an introduced species and agricultural and roadside weed. Weed Identification: Creeping buttercup has distinctive five-petalled yellow flowers and deeply lobed dark green leaves that resemble the shape of parsley leaves. Leaves are dark green with pale patches, divided into 3 toothed leaflets. with clover-shaped leaves and green upright capsules (fruit). Ranunculus muricatus is a species of buttercup known by the common names rough-fruited buttercup and spinyfruit buttercup. Creeping buttercup, a King County Weed of Concern, is a low-growing perennial with creeping stolons that's found in rural and urban areas throughout King County, such as pastures, farmlands, natural wetlands, city gardens, and lawns. Wood sorrel - Oxalis stricta Wood sorrel is a perennial herb native to the U.S.

Spiny fruit buttercup weed