Pittosporum (Pittosporaceae) in Malesia and Papuasia

Pittosporum (Pittosporaceae, Apiales), an attractive genus of horticulturally important trees and shrubs, is revised for Malesia (Malaysia, Singapore, Indonesia, Brunei Darussalam, the Philippines, Timor-Leste) and Papuasia (Papua Barat (Indonesia), Papua New Guinea and the Solomon Islands). In this report, 52 species are recognised, including many species reinstated from synonymy. Three taxa are raised to species rank (P. owenstanleyense, P. patelliplacenta and P. purpurascens), one is a new combination in Pittosporum (P. impressum), and four new species are described: P. sulawesiense, P. isolatum, P. schoddei and P. sogeriense.

Automated summary

This study examines the Pittosporum genus in Malesia (Malaysia, Singapore, Indonesia, Brunei Darussalam, the Philippines, Timor-Leste) and Papuasia (Papua Barat (Indonesia), Papua New Guinea and the Solomon Islands). A total of 52 species are identified, including several reinstated species and four newly described species. Three taxa are elevated to species rank, one is a new combination in Pittosporum, and four new species are described.