[3] Corymbia flavescens is a tree that typically grows to a height of 15 m (49 ft) and forms a lignotuber.

It has smooth, powdery bark that is bright white when new and is shed in thin, greyish scales.

[3][4][5][2][6] Corymbia flavescens was first formally described in 1995 by Ken Hill and Lawrie Johnson from specimens collected in 1925 by William Blakely and published the description in the journal Telopea.

In Western Australia it is found in the Central Kimberley, Dampierland, Great Sandy Desert, Northern Kimberley, Ord Victoria Plain, Pilbara, Tanami and Victoria Bonaparte IBRA bioregions.

[5] In the Northern Territory it is found in the Davenport Murchison Ranges, Gulf Fall and Uplands, Mitchell Grass Downs, Mount Isa Inlier and Sturt Plateau IBRA bioregions.