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Chrysogonum is a genus of flowering plants in the family Asteraceae. As of May 2024 [update] , two circumscriptions of the genus were in use. In the broader circumscription, the genus has a discontinuous distribution, with species native to eastern North America and Madagascar .
Zinnia peruviana is an annual plant up to 50 cm tall (rarely 100 cm tall). [2] [3] The stems are green, but later become yellow or purple. [3]The leaves are ovate, elliptic or lanceolate, 2.5–7 cm long and 8–3.5 cm wide; 3- to 5-nerved.
Chrysogonum virginianum, the golden-knee, [2] green and gold, [3] or goldenstar, is a North American species of plants in the family Asteraceae. It is native to the eastern United States from New York State and Rhode Island south to Louisiana and the Florida Panhandle .
Zinnia is a genus of plants of the tribe Heliantheae within the family Asteraceae. [3] [4] They are native to scrub and dry grassland in an area stretching from the Southwestern United States to South America, with a centre of diversity in Mexico.
Bongardia is a very small genus of plants belonging to the family Berberidaceae, and first described in 1831. [2] [3] There are only two known species, Bongardia chrysogonum C.A.Mey., native to North Africa, Greece, and the Middle East and B. margalla R.R.Stewart ex Qureshi & Chaudhri, native to Pakistan.
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Calendula officinalis, the pot marigold, common marigold, ruddles, Mary's gold or Scotch marigold, [2] is a flowering plant in the daisy family, Asteraceae. It is probably native to southern Europe, but its long history of cultivation makes its precise origin unknown, and it is widely naturalised .
The problem of points, also called the problem of division of the stakes, is a classical problem in probability theory.One of the famous problems that motivated the beginnings of modern probability theory in the 17th century, it led Blaise Pascal to the first explicit reasoning about what today is known as an expected value.