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The valuable product was the plant's resin, called in Latin laserpicium, lasarpicium or laser (the words Laserpitium and Laser were used by botanists to name genera of aromatic plants, but the silphium plant is not believed to belong to these genera). The exact identity of silphium is unclear. It was claimed to have become extinct in Roman ...
Silphium is a genus of North American plants in the tribe Heliantheae within the family Asteraceae. [1] [2]Members of the genus, commonly known as rosinweeds, are herbaceous perennial plants growing to 0.2 m (8 in) to more than 2.5 m (8 ft 2 in) tall, with yellow (rarely white) flowerheads that resemble sunflowers.
Silphium perfoliatum's metabolic pathway is the C3 carbon fixation. This plant is highly adapted to endure extreme weather and inhospitable conditions. For example, during the winter, the roots remain dormant and can survive temperatures as low as −30 °C (−22 °F). Its optimal growing temperature is 20 °C (68 °F). [7]
Silphium laciniatum is a species of flowering plant in the family Asteraceae known commonly as compassplant [2] or compass plant. It is native to North America, where it occurs in Ontario in Canada and the eastern and central United States as far west as New Mexico . [ 3 ]
Silphium albiflorum, commonly known as white rosinweed, [1] is a species of flowering plant in the family Asteraceae. It is native to the United States, where it is endemic to the state of Texas. [2] Its natural habitat is in open, calcareous prairies. [3] [4] It is a tall perennial with rigid, deeply divided leaves.
Silphium integrifolium is a species of flowering plant in the family Asteraceae. Its common names include rosinweed, whole-leaf rosinweed, entire-leaf rosinweed, prairie rosinweed, [1] and silflower. [2] It is native to eastern North America, including Ontario in Canada and the eastern and central United States as far west as New Mexico. [3] [4]
Silphium trifoliatum, commonly known as whorled rosinweed, [1] is a species of flowering plant in the family Asteraceae. It is native to the eastern United States, where it is found east of the Mississippi River. [1] Its natural habitat is open, grassy areas such as prairies, river cobble bars, and roadsides. [2]
Silphium asteriscus, commonly called starry rosinweed, [2] is an herbaceous plant in the family Asteraceae. It is native to the eastern United States, from Oklahoma and Texas east to Florida and Pennsylvania. [3] It is a widespread species found in a variety of open habitats, such as prairies and woodlands. [4]