Gyrinops walla

Gyrinops walla is a species in the genus Gyrinops of the Thymelaeaceae family. It was described by Joseph Gaertner. The tree grows up to 15 m high. Its bark is thin and brownish-grey color. Leaves are 1–6 mm long and yellowish-white flower’s pedicels are 3–4 mm long.

Gyrinops walla is found in wet zone of Sri Lanka and very rarely in southwest India. It uses as agarwood and agarwood resin. The tree has commercial value that resulted to smuggling. In Sri Lanka, it is known as "Walla patta". Due to the demand of the tree, Sadaharitha Plantations Limited released a study on growing Gyrinops walla in home gardens. Some organizations conducted the research with the support of the Sri Lankan government.