Tree to mostly 8 m tall. Bark smooth throughout, greyish. Juvenile leaves hairy. Adult leaves elliptic to lanceolate; lamina mostly 5-8 cm long, 1-2 cm wide, tip pointed, light green, glossy. Leaf stalk 5-8 mm long, flattened. Flowers greenish yellow in clusters of mostly 20-35 flowers, scar obscure; cluster stalk flattened, 2.5-4 cm long. Flower buds horn-shaped; Oct-May. Fruits fused at the base into a globular mass 2-5 cm long, 4-7 cm wide, with the valve tops pointed and striated.
Grows naturally in pockets along the S coast of WA including the offshore islands.
WA.
Plants cultivated as E. lehmannii, the only other eucalypt with fused fruits, are generally this species. E. conferruminata is a tree with smooth bark, the group of fused fruits 4-7 cm wide and flower caps to 5 times longer than wide, while E. lehmannii is a mallee to 3 m tall with the cluster of fused fruits 3.5-4.5 cm wide and the flower caps narrow, at least 9 times longer than wide.There are similar-looking fruits on the warty-capped E. burdettiana (buds mostly 4.8-5.4 cm long) and E. megacornuta (buds mostly 6-7 cm long), as well as the smooth-capped E. talyuberlup (fruits 1.2-1.5 cm long) and E. newbeyi (fruits 2-3.5 cm long), but all have buds and fruits free at the base and are rarely cultivated.
VIC: Balwyn (Maranoa Gds); Coburg (De Chene Reserve).
Source: (2002). Eucalyptus. In: . Horticultural Flora of South-eastern Australia. Volume 3. Flowering plants. Dicotyledons. Part 2. The identification of garden and cultivated plants. University of New South Wales Press.