Eucalyptus diversicolor
The tree grows to 70 metres making it one of the tallest trees in the world. It has white to
cream bark that turns brown as it matures and is shed. The whitish trunk beneath takes on a
patina of colours from white to grey to deep brown. The trunk is without secondary trunks,
but occasionally a twin trunk occurs where two trunks of the same diameter grow up from the
seedling stage. Mature trees branch only from the top third of the trunk. The leaves are
dark green on top and lighter underneath, and grow to a length of 90–120 mm and 20–30 mm
broad. The cream-colored flowers occur in groups of seven, each flower measuring about
18–28 mm in diameter. Flowering occurs in spring and summer. The fruits are squat and
barrel-shaped, with numerous small dry seeds. The fruit is up to a centimeter long.

The botanical name diversicolor means “separate colours” and refers to the difference
between the top of the leaf and its underside while the common name is derived from
the aboriginal name for the tree.

The soil in which karri grow is often poor, and the tree tends to flower after fire to take
advantage of the nutrients released by the combustion of forest litter. The soil is classified
as Karri Loam. Though low in some minor nutrients it is admired for its depth and
pasture-growing properties. The depth of the soil is several metres and thought to be
created primarily from the bark shed by the tree, which collects at the trunk base to a
depth upwards of six metres in mature trees. The karri supports an extensive ecosystem
which is connected to the granite outcrops of the lower south-west and the many
subsequent creeks and rivers created from runoff. Karri generally dominate in the
deep valleys between granite outcrops surrounding the creeks and rivers.

Karri occurs only within the High Rainfall Zone of the South West Botanical Province of Western Australia [Wiki]


All 3 best in original format to see the wildflowers growing at the Karri feet.


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