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Science & Nature • Botany

Silphium

Silphium was an ancient, highly valued plant known from classical sources for use as a seasoning, perfume, medicine, aphrodisiac, and contraceptive.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated September 11, 2026|2 min read| Fact-checked

Silphium was an ancient, highly valued plant known from classical sources for use as a seasoning, perfume, medicine, aphrodisiac, and contraceptive. It grew in Cyrenaica in North Africa and is widely believed to have gone extinct in antiquity, though its exact identity remains uncertain.

History

Silphium was known in antiquity as an important regional product of Cyrenaica and was traded at high value. Classical authors reported that it became scarce and then extinct, making it one of the best-known examples of a lost plant from historical records.

Uses in antiquity

Ancient sources describe silphium as a seasoning, perfume, medicine, and aphrodisiac, and also as a contraceptive. It was also credited with veterinary and culinary uses, including improving the flavour of sheep fed on it.

Extinction and identification

Silphium's extinction is often described as having occurred by the Roman era, although the exact timing is uncertain. Modern researchers have suggested that it may have belonged to the genus Ferula or a related group, but no consensus identification exists.

Cultural significance

Silphium appears in ancient coin imagery from Cyrene and in numerous references by Greek and Roman writers. Its reputation as a valuable, almost miraculous herb has made it a frequent subject of historical and botanical study.

Key facts

  • Silphium was an ancient Mediterranean plant prized in classical antiquity.
  • It was associated especially with Cyrene in Cyrenaica, in present-day Libya.
  • Ancient writers described it as a valuable medicinal and culinary plant.
  • The plant is widely considered extinct, with Pliny the Elder reporting that it had disappeared in Roman times.
  • Its exact botanical identity is still uncertain, though modern proposals often link it to fennel-like plants in Ferula.

Frequently asked questions

What was silphium?
Silphium was an ancient plant from North Africa that was prized for food, medicine, perfume, and other uses.
Where did silphium grow?
It was associated with Cyrenaica, especially the region around ancient Cyrene in what is now Libya.
Is silphium extinct?
It is generally considered extinct, although the exact historical record and botanical identity are uncertain.
What was silphium used for?
Ancient sources describe it as a spice, medicine, perfume, aphrodisiac, and contraceptive.
What plant was silphium related to?
Researchers have suggested it may have been related to fennel-like plants in the genus Ferula, but this is not certain.

References

  1. Wikipediahttps://en.wikipedia.org/wiki/Silphium
    Supports: General description, alternate names, uncertain identification, presumed extinction
  2. World History Encyclopediahttps://www.worldhistory.org/Silphium/
    Supports: Ancient uses, Cyrenaica association, extinction tradition
  3. Royal Botanic Gardens, Kewhttps://www.kew.org/read-and-watch/silphium-mystery
    Supports: Modern hypothesis linking silphium to Ferula drudeana
  4. Encyclopaedia Britannicahttps://www.britannica.com/plant/Silphium
    Supports: Distinction from the North American genus Silphium
  5. University of Missourihttps://ipm.missouri.edu/MEG/index.cfm?ID=708
    Supports: Historical uncertainty, ancient references, Cyrenaica origin