F.Muell. ex Benth.
Eucalyptus grossa, also known as Coarse-leaved Mallee , is a species of Eucalyptus which is endemic to Western Australia. Other common names for this species include the Coarse-flowered Mallee and Phillip River Gum.
Eucalyptus grossa is a mallee which grows from 0.5 to 5 metres high. It has rough, grey bark, smooth, reddish branchlets and large, thick leaves. The flower buds are bullet-shaped which are red-brown in colour and are attached to a thick, rounded, peduncle. Flowering occurs from late winter to late spring (August to November in Australia). The flowers are large and yellow or green in colour.
The species occurs in an area around Esperance on rocky plains.
The species was first formally described by botanist George Bentham in 1867.
- Eucalyptus incrassata var. grossa (F.Muell. ex Benth.) Maiden
This species has ornamental flowers and can be maintained as a dense, compact shrub if regular pruning is undertaken. It has proved adaptable to a wide range of conditions in temperate areas in Australia.
The Coarse-leaved Mallee was represented on a 50c Australian postage stamp in 2005.