Zanthoxylum pinnatum

Zanthoxylum pinnatum is a tree that typically grows to a height of . Its leaves are pinnate, usually with four to nine oblong to egg-shaped, slightly curved leaflets, mostly long and wide. The flowers are arranged in small to large groups in leaf axils with separate male and female flowers, the four sepals egg-shaped and long, the four or five petals white, lance-shaped and long. Flowering occurs from February to March and the fruit is a spherical, purple follicle about long containing a single black seed. ==Taxonomy==

Yellow wood was first formally described in 1775 by Johann Reinhold Forster and Georg Forster who gave it the name Blackburnia pinnata in their book Characteres Generum Plantarum. In 1917, Walter Oliver changed the name to Zanthoxylum pinnatum in Transactions and Proceedings of the New Zealand Institute. ==Distribution and habitat==

Zanthoxylum pinnatum grows in forest on Lord Howe and Norfolk Islands but is not common on either island. ==References==