''Eucalyptus denticulata'', commonly known as the Errinundra shining gum or shining gum, is a species of tree

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found els ...

to south-eastern Australia. It has mostly smooth, white bark, lance-shaped to curved adult leaves with toothed edges, flower buds in groups of seven, white flowers and cup-shaped, barrel-shaped or cylindrical fruits. It is similar to '' E. nitens'' and was previously included in that species.

Description

''Eucalyptus denticulata'' is a tree that typically grows to a height of but does not form a

lignotuber A lignotuber is a woody swelling of the root crown possessed by some plants as a protection against destruction of the plant stem, such as by fire. Other woody plants may develop basal burls as a similar survival strategy, often as a response t ...

. It has smooth, white, cream-coloured, green or brownish bark with rough, fibrous-flaky bark near the base. Ribbons of shed bark often hang in the upper branches. Young plants and

coppice Coppicing is a traditional method of woodland management which exploits the capacity of many species of trees to put out new shoots from their stump or roots if cut down. In a coppiced wood, which is called a copse, young tree stems are repea ...

regrowth have stems that are square in cross-section with wings on the corners. The leaves of young plants are arranged in opposite pairs,

sessile Sessility, or sessile, may refer to: * Sessility (motility), organisms which are not able to move about * Sessility (botany), flowers or leaves that grow directly from the stem or peduncle of a plant * Sessility (medicine), tumors and polyps that ...

, egg-shaped or heart-shaped to lance-shaped, long and wide. Adult leaves are arranged alternately, the same glossy green on both sides, lance-shaped to curved, long and wide on a petiole long. The edges of the leaves are irregularly toothed and are

glandular In animals, a gland is a group of cells in an animal's body that synthesizes substances (such as hormones) for release into the bloodstream (endocrine gland) or into cavities inside the body or its outer surface (exocrine gland). Structure De ...

. The flower buds are arranged in groups of seven in leaf

axil A leaf ( : leaves) is any of the principal appendages of a vascular plant stem, usually borne laterally aboveground and specialized for photosynthesis. Leaves are collectively called foliage, as in "autumn foliage", while the leaves, ...

s on an unbranched

peduncle Peduncle may refer to: *Peduncle (botany), a stalk supporting an inflorescence, which is the part of the shoot of seed plants where flowers are formed *Peduncle (anatomy), a stem, through which a mass of tissue is attached to a body **Peduncle (art ...

long, the individual buds sessile or on a

pedicel Pedicle or pedicel may refer to: Human anatomy *Pedicle of vertebral arch, the segment between the transverse process and the vertebral body, and is often used as a radiographic marker and entry point in vertebroplasty and kyphoplasty procedures ...

up to long. Mature buds are oval to spindle-shaped, about long and wide with a conical to rounded operculum that differs in the way it is shed from that of ''E. nitens''. The fruit is a woody conical, cup-shaped, barrel-shaped or cylindrical capsule long and wide with the valves at rim level or slightly exposed above the rim of the fruit.

Taxonomy and naming

''Eucalyptus denticulata'' was first formally described in 1991 by Ian Cook and

Pauline Ladiges Pauline Yvonne Ladiges (born 1948) is a botanist Botany, also called , plant biology or phytology, is the science of plant life and a branch of biology. A botanist, plant scientist or phytologist is a scientist who specialises in this fi ...

from a specimen collected in the

Errinundra National Park The Errinundra National Park is a national park located in the Gippsland region of Victoria, Australia. The national park is situated east of Melbourne via the Princes Highway and is centred on the Errinundra Plateau, a southwards extension o ...

Kevin Thiele Kevin R. Thiele is currently an adjunct associate professor at the University of Western Australia and the director of Taxonomy Australia. He was the curator of the Western Australian Herbarium from 2006 to 2015. His research interests include ...

and Suzanne Prober. The description was published in ''

Australian Systematic Botany ''Australian Systematic Botany'' is an international peer-reviewed scientific journal published by CSIRO Publishing. It is devoted to publishing original research, and sometimes review articles, on topics related to systematic botany, such as bi ...

''. The

specific epithet In taxonomy, binomial nomenclature ("two-term naming system"), also called nomenclature ("two-name naming system") or binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, bot ...

(''denticulata'') is a

Latin Latin (, or , ) is a classical language belonging to the Italic branch of the Indo-European languages. Latin was originally a dialect spoken in the lower Tiber area (then known as Latium) around present-day Rome, but through the power ...

word meaning "with small teeth" referring to the edges of the leaves. The uneven leaf margins may be a defence against herbivores. Previously this species was considered an informal variant of '' E. nitens''.

Distribution and habitat

Errinundra shing gum grows in wet forests and the margins of rainforest in

Victoria Victoria most commonly refers to: * Victoria (Australia), a state of the Commonwealth of Australia * Victoria, British Columbia, provincial capital of British Columbia, Canada * Victoria (mythology), Roman goddess of Victory * Victoria, Seychelle ...

and

New South Wales ) , nickname = , image_map = New South Wales in Australia.svg , map_caption = Location of New South Wales in AustraliaCoordinates: , subdivision_type = Country , subdivision_name = Australia , established_title = Before federation , es ...

. In Victoria it occurs on the ranges of

East Gippsland East Gippsland is the eastern region of Gippsland, Victoria, Australia covering 31,740 square kilometres (14%) of Victoria. It has a population of 80,114. Australian Bureau of Statistics2006 Census Community Profile Series: East Gippsland (S ...

including the Errinundra Plateau and

Mount Kaye Mount Kaye is a mountain in the Coopracambra National Park, north of the township of Cann River in East Gippsland in Victoria, Australia. Geology The Mount Kaye Range is an outcrop of black and white Noorinbee Granodiorite, exposed on slopes and ...

and in New South Wales, south from

Bombala Bombala is a town in the Monaro region of south-eastern New South Wales, Australia, in Snowy Monaro Regional Council. It is approximately south of the state capital, Sydney, and south of the town of Cooma. The name derives from an Aborigina ...

. Image:East Gippsland old growth 01 Pengo.jpg, Shining gum at

, Australia image:Shining Gum 80 metres tall Snowy River National Park.jpg, 80 metre tall shining gum,

Snowy River National Park The Snowy River National Park is a national park located in the alpine and East Gippsland regions of Victoria, Australia. The national park is situated approximately northeast of Melbourne and southwest of Canberra, south of the Black-A ...

, Australia Image:Shining Gum 60 metres tall Snowy River National Park.jpg, 60 metre tall shining gum, Snowy River National Park

References

{{Taxonbar, from=Q5405576 denticulata Myrtales of Australia Flora of New South Wales Flora of Victoria (state) Trees of Australia Trees of mild maritime climate