blue gum Myrtaceae Eucalyptus
|Leaf: Alternate (may be opposite on young branches), simple, evergreen, leathery, ovate to narrowly lanceolate, 4 to 8 inches long, often curved and drooping, long pointed, entire margins, aromatic, dull green above, bluish bloom beneath, young foliage more blue.
Flower: Round, 2 inches across, with very long creamy white stamens, no petals, making it look like a round bottle brush, appearing singly in leaf axils in winter and early spring.
Fruit: Dry, heavy capsules, 1/2 to 1 inch long, looks like a child's wooden top, bluish and warty when fresh, later turning brown.
Twig: Slender, yellow-green to reddish, smooth.
Bark: Attractive, peels in long loose strips, often piling up at base; outer bark rough reddish brown, inner bark smooth creamy white to yellow-green.
Form: A large tree with a straight trunk that can reach 200 feet tall and several feet in diameter.
Looks like: shining gum
- red ironbark
- river red gum
- sugar gum
| Additional Range Information:
Eucalyptus globulus is planted in the USDA
hardiness zones shown above and may seed
into the landscape. See
states reporting blue gum.
| External Links:
Silvics of North America
USDA Plants Database
|© Copyright 2016, Virginia Tech|
Dept. of Forest Resources
and Environmental Conservation,
all rights reserved.
Photos and text by: John Seiler,
Edward Jensen, Alex Niemiera,
and John Peterson