What is an umbelliferous plant (Sium, or Pimpinella, Sisarum). It is a native of Asia, but has been long cultivated in Europe for its edible clustered tuberous roots, which are very sweet called?

skirret — An umbelliferous plant (Sium, or Pimpinella, Sisarum). It is a native of Asia, but has been long cultivated in Europe for its edible clustered tuberous roots, which are very sweet. (Webster's 1913.)

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