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Coreopsis lanceolata is a perennial plant sometimes attaining a height of over 60 cm (2 ft). The plant produces yellow flower heads singly at the top of a naked flowering stalk, each head containing both ray florets and disc florets. [6] Each flower measures 5–8 cm (2–3 in) across.
These plants range from 46–120 centimetres (18–47 inches) in height. The flowers are usually yellow with a toothed tip, but can also be yellow-and-red bicolor or pink. [ 3 ] They have showy flower heads with involucral bracts in two distinct series of eight each, the outer being commonly connate at the base.
Coreopsis tinctoria, commonly known as plains coreopsis, garden tickseed, golden tickseed, or calliopsis, is an annual forb. The species is common in Canada (from Quebec to British Columbia ), northeast Mexico ( Coahuila , Nuevo León , Tamaulipas ), and most of the United States , especially the Great Plains and Southern States .
Bidens aristosa is a herbaceous, annual flowering plant that typically grows between 1-2 ft tall, but can grow up to five feet tall. The leaves are attached to petioles 1 to 3 cm long. The leaf blades are lanceolate to lance- linear , and are laciniately pinnatisect .
Coreopsis pubescens, commonly called the star tickseed [4] is a perennial, herbaceous, flowering plant in the Asteraceae family. It is found primarily in the central and southeastern United States . There are also reports of disjunct populations in New England and in northern Indiana, probably escapees from cultivation.
Ambrosia bidentata, the lanceleaf ragweed, [1] is a North American species of plants in the family Asteraceae. It is native to the central and eastern parts of the United States, primarily the Mississippi Valley and the eastern Great Plains. [2] Ambrosia bidentata is an annual herb up to 100 cm (40 inches) tall. Leaves have only a few lobes ...
Coreopsis bigelovii is a species of flowering plant in the daisy or sunflower family, Asteraceae, with the common names Bigelow coreopsis and Bigelow's tickseed. [3] It is endemic to California. [4] The plant is known from the southern California Coast Ranges, southwestern Sierra Nevada, Transverse Ranges, and the Mojave and Colorado deserts.
Coreopsis nudata, the Georgia tickseed, is a herbaceous perennial plant species of the genus Coreopsis in the family Asteraceae. It is native to the southeastern United States, in the states of Georgia, Florida, Alabama, Mississippi, and Louisiana. [2] Coreopsis nudata is a perennial herb sometimes as much as 100 cm (40 inches) tall.