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Mountain Gum
Eucalyptus dalrympleana
Non-nativeEvergreenAngiospermLarge (30m or more)
Introduction

A very tall, stately tree, attractive in parks and large gardens and increasingly of interest to foresters for its vigorous growth. Also called Mountain White Gum or Broad-leaved Kindling Bark, for its readily shed fibrous bark, useful for starting fires. Some of the oldest British and Irish specimens were planted in the 1940s.

Distribution

Native to eastern Australia, including New South Wales, Queensland, South Australia, Victoria, and Tasmania.

Biology

Monoecious. Insect-pollinated. Tiny seeds are gravity- and wind-dispersed.

Identification

Large (40m), domed atop a straight trunk forming a basal lignotuber. Bark very smooth, orange-cream with salmon-pink and coffee tints, shedding in large patches to reveal white new bark, rougher at the base on older trees. Juvenile leaves green or glaucous, broad ovate to round (4-6cm), opposite, sessile. Adult leaves lanceolate, often sickle-shaped (10-20cm), alternate, flushing purple then dark grey-green, hanging heavily, on a 2-4cm petiole. Flowers green, clustered in threes. Fruit capsule (6-8mm), truncate-ovoid with a prominent convex disc.

Culture

Hardy to -12°C once mature, so less tolerant than some other featured species. Insufficient hardening can cause branch loss or dieback, but it regrows from its lignotuber if damaged or coppiced. Plant in full sun with shelter, avoiding frost hollows and waterlogging. High soil nitrogen may delay hardening through overly vigorous growth.

Biodiversity

No notable associations where introduced.

Threats

Poor site selection and extreme winter cold.

Uses

An attractive large ornamental, especially for its striking pale bark and dark adult leaves. Only recently considered for timber potential, with pioneering growers reporting faster growth than Cider Gum, though more frost sensitivity. Its ability to regrow when cut may suit short-rotation coppice.

Key
Native statusNon-native
Foliage typeEvergreen
Tree groupAngiosperm
Size classLarge (30m or more)
Conservation status (IUCN)No category recorded
Classification
DivisionAngiospermae
OrderMyrtales
FamilyMyrtaceae
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