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Silphium terebinthinaceum is an herbaceous perennial growing 3 to 10 feet (1 to 3 m) tall. [5] Prairie dock produces small yellow flowers about 2– 2 + 1 ⁄ 2 inches (5–6 cm) in diameter in the summer.
Ratibida columnifera, commonly known as upright prairie coneflower, [2] Mexican hat, [3] and longhead prairie coneflower, [4] is a perennial species of flowering plant in the genus Ratibida in the family Asteraceae. It is native to much of North America and inhabits prairies, plains, roadsides, and disturbed areas.
Ratibida pinnata is a species of flowering plant in the family Asteraceae known by the common names pinnate prairie coneflower, [2] gray-head coneflower, yellow coneflower, and prairie coneflower. It is native to the central and eastern United States and Ontario in Canada.
Viola nuttallii (Nuttall's violet or yellow prairie violet [1]) is a perennial herbaceous plant in the violet family , and is one of the few violet species with lanceolate leaves. It is native to the western Canada and the north-central and western United States, [ 2 ] appearing in upper steppe lands, forests, and alpine ridges.
U.S. Wildflowers Reference List: Arizona — Reference List of websites for Arizona Wildflower Identification. Pima Community College. Common Wildflowers of Tucson. Floras - Arizona Native Plant Society; USDA Plants Database — plant profiles search engine, by common or botanical names, or by U.S. state.
The fruits of the flowers are known as achenes. The flower head contains 10-30 yellow ray florets, surrounding 50-100 dark red-brown disc florets, and green, lanceolate phyllaries (bracts). [10] The center of the flower has hints of white due to the presence of white hairs on the chaff. The flowers attract butterflies and bees for pollination ...
Erysimum capitatum is a mustard-like plant with thin, erect stems growing from a basal rosette and topped with dense bunches of variably colored flowers. Flowers are most typically bright golden, yellow, or tangerine-colored, but plants in some populations may have red, white or purple flowers. Each flower has four flat petals.
Sorghastrum nutans, known as Indiangrass, [2] [3] is a North American prairie grass found in the United States and Canada, especially in the Great Plains and tallgrass prairies. It is sometimes called Indian grass [ 4 ] , yellow Indian-grass , [ 2 ] or wood grass .