Flindersia schottiana, commonly known as bumpy ash, cudgerie or silver ash, is a species of rainforest tree in the family Rutaceae and is native to New Guinea and eastern Australia. It has pinnate leaves with mostly ten to sixteen leaflets, panicles of white flowers and woody fruit studded with rough points.

Description
Flindersia schottiana is a tree that typically grows to a height of . Its leaves are pinnate, arranged in opposite pairs,  long with mostly ten to sixteen narrow egg-shaped to narrow elliptical leaflets that are  long and  wide. The side leaflets are more or less sessile, the end leaflet on a petiolule  long. The flowers are arranged in panicles  long and have five sepals  long and five white petals  long. Flowering occurs from August to December and the fruit is a woody capsule  long, studded on the surface with rough points and separating at maturity into five valves to release winged seeds  long.

Taxonomy
Flindersia schottiana was first formally described in 1862 by Ferdinand von Mueller in Fragmenta phytographiae Australiae from specimens collected near the Hastings River in New South Wales. The specific epithet (schottiana) honours Mueller's friend Heinrich Wilhelm Schott.

Distribution and habitat
Bumpy ash grows in rainforest from sea level to an altitude of  and occurs in New Guinea and from the Claudie River in the Kutini-Payamu National Park in far north Queensland to the Hastings River in New South Wales.

Conservation status
Flindersia schottiana is classified as of "least concern" under the Queensland Government Nature Conservation Act 1992.

References

schottiana
Sapindales of Australia
Flora of New South Wales
Flora of Queensland
Flora of New Guinea
Taxa named by Ferdinand von Mueller
Plants described in 1862