Chinese Prickly Ash, Zanthoxylum simulans

The Chinese Prickly Ash or Flatspine Prickly Ash (Zanthoxylum simulans) is a species of flowering plant native to eastern China and Taiwan. It is one of several plants of Zanthoxylum from which Sichuan Pepper is produced.

It is a small spreading tree that grows to 23 feet tall. Its leaves are 2.75 to 5 inches long and pinnate (having parts of a leaf arranged on both sides of the stem). Each leaf has 7 – 11 small leaflets that are each 1.25 to 2 inches long. There are numerous spines on the stems and large knobs on the branches. The flowers are about 2 inches in diameter. The small berry has a reddish brown shell that splits open to release black seeds from its inside.

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