Family:

Myrtaceae

Eucalyptus microcarpa

Grey Box

Other Names: Western Grey Box, Gum-topped Box.

First Nations Name(s):

Name Origin:

microcarpa — from Greek micros, small, and carpos, fruit, referring to small fruit.

Regional Subspecies:

Similar Species:

Often confused with White Box (E. albens). Grey Box has greener and narrower leaves than White Box, and smaller buds and fruit.

Occurrence:

Regional:

Widespread west of the Hume Highway on lower slopes and plains country.

Australia:

Qld, NSW, Vic, SA.

Habitat:

Grassy woodland on moderately fertile loamy soils.

Habit:

Tree to 25 m high. Open crown of dull olive-green leaves. Grey, fibrous-flaky ‘box’ bark with whitish patches, upper branches smooth-barked.

Site Preference:

Heavy loamy soils. Tolerates moderately alkaline soil, frost, wind, infrequent flooding and extended dry periods.

Characteristics:

Long-lived. Moderate growth rate.

Flowering:

White, Feb-Jun. Flowers freely each year.

Seed Collection:

Throughout year, as seeds generally retained. Good crops may be irregular.

Propagation:

From seed (± 729 seeds per gram).

Regeneration:

From seed, particularly in absence of competitive exotic grasses or weeds, during wet summers. Coppices vigorously from low stumps, and regrowth is long-lived. Establishes well when direct seeded.

VALUES:

Shade & Shelter:

Useful medium-level cover in windbreaks. Good shade due to spreading crown.

Land Protection:

Useful in gully erosion control behind fibrous-rooted understorey species.

Wildlife:

Excellent habitat. Flowers are a food source for Sugar Gliders, Squirrel Gliders, native birds and insects. Insect-eating birds attracted. Hollows are nesting and refuge sites for native birds and mammals. Critical habitat for the Grey-crowned Babbler, Stone Curlew and goannas.

Fuel:

Very good.

Timber:

Pale, very durable, tough and strong. Density about 1100 kg/m3. Used for posts, poles, fencing and heavy construction. Interesting furniture timber, although difficult to work.

Ornamental:

No outstanding features, although may be suitable for larger gardens and parks.

Other:

Leaves produce a range of dyes depending on mordants used.