Corymbia dunlopiana

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Dunlop's bloodwood
Corymbia dunlopiana.jpg
Corymbia dunlopiana near Edith Falls
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Myrtales
Family: Myrtaceae
Genus: Corymbia
Species:
C. dunlopiana
Binomial name
Corymbia dunlopiana
Synonyms [1]

Eucalyptus dunlopiana(K.D.Hill & L.A.S.Johnson) Brooker

Contents

Corymbia dunlopiana, commonly known as Dunlop's bloodwood, bongonyin, [2] or Oenpelli bloodwood [3] is a species of tree that is endemic to the Northern Territory. It has rough bark on the trunk and branches, a crown of sessile, juvenile leaves arranged in opposite pairs, flower buds solitary or in groups of three, red flowers and urn-shaped fruit.

Description

Corymbia dunlopiana is a tree that typically grows to a height of 7 metres (23 ft) and often has twisted irregular branches. The bark is rough, tessellated or flaky and grey-brown over reddish-brown. The branchlets, leaves and flower-buds are all rough and hairy. Young plants and coppice regrowth have sessile, heart-shaped to elliptical leaves that are 40–125 mm (1.6–4.9 in) long and 30–80 mm (1.2–3.1 in) wide with a rounded or stem-clasping base. The crown of the tree has only juvenile leaves that are sessile, heart-shaped or lance-shaped to oblong, 35–120 mm (1.4–4.7 in) long and 20–57 mm (0.79–2.24 in) wide and arranged in opposite pairs with a stem-clasping base. The leaves are the same shade of dull, yellow-green, light green to grey-green on both sides. The flower buds are arranged in leaf axils or on the ends of branchlets on a branched peduncle up to 4 mm (0.16 in) long, each branch of the peduncle with one, three or (rarely) seven buds on pedicels 4–35 mm (0.16–1.38 in) long. Mature buds are pear-shaped, 12–20 mm (0.47–0.79 in) long and 7–10 mm (0.28–0.39 in) wide with a beaked operculum. Flowering has been observed in most months but mostly from the end of the dry season to early in the wet season. [2] [4] [5] [6]

Taxonomy and naming

Corymbia dunlopiana was first formally described in 1995 by Ken Hill and Lawrie Johnson from specimens collected near Pine Creek in 1985. [6] [7] The specific epithet (dunlopiana) honours Clyde R. Dunlop, a Northern Territory botanist. [6] "Bongonyin" is the name given to the species in the Wagiman language. [2]

Distribution and habitat

The range of C. dunlopiana extends from west of Katherine to the Daly River and as far east as near Jim Jim in open savannah woodland. It prefers rising ground, outcrops and ridges usually with skeletal soils and often forms pure stands of small, twisted, shrubby individuals. [2] [6]

See also

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<i>Corymbia chippendalei</i> Species of plant

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<i>Corymbia confertiflora</i> Species of plant

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<i>Corymbia ferruginea</i> Species of plant

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<i>Corymbia foelscheana</i> Species of plant

Corymbia foelscheana, commonly known as the broad-leaved bloodwood, fan-leaved bloodwood or smooth-barked bloodwood, is a species of small tree that is endemic to northern Australia. It has thin, rough, tessellated bark on some or all of the trunk, smooth bark above, broadly egg-shaped to broadly lance- shaped adult leaves, flower buds usually in groups of seven, creamy white flowers and urn-shaped fruit.

Corymbia chartacea is a species of small tree with a weeping habit that is endemic to the Top End of the Northern Territory. It has thick, rough bark on the trunk and branches, a crown of sessile, broadly heart-shaped to broadly elliptical leaves arranged in opposite pairs, flower buds in groups of three or seven, pink or white flowers and urn-shaped to shortened spherical fruit.

Corymbia bunites, commonly known as the Blackdown yellowjacket, is a species of tall tree that is endemic to Queensland. It has rough bark on the trunk and branches, lance-shaped or curved adult leaves, flower buds in groups of seven, white flowers and barrel-shaped, urn-shaped or spherical fruit.

Corymbia pachycarpa, commonly known as the urn-fruited bloodwood, mawurru, yilanggi or warlamarn, is a species of stunted tree or mallee that is endemic to northern Australia. It has thick, tessellated bark on the trunk and branches, a crown of heart-shaped, egg-shaped or lance-shaped leaves, flower buds in groups of three or seven, white flowers and urn-shaped to barrel-shaped fruit.

Corymbia papillosa, commonly known as the Maningrida bloodwood, is a species of small, stunted tree that is endemic to northern Australia. It has rough, tessellated bark on the trunk and branches, a crown of thin, oblong to elliptical leaves, flower buds in groups of seven, white flowers and urn-shaped to barrel-shaped fruit.

Corymbia pauciseta is a species of small tree that is endemic to north-eastern Arnhem Land in the Northern Territory. It has rough, tessellated bark on part or all of the trunk, smooth white bark above, a crown of intermediate and adult leaves, flower buds in groups of seven, creamy white flowers and cylindrical to barrel-shaped fruit.

Corymbia porrecta, commonly known as the grey bloodwood, is a species of small tree that is endemic to the Northern Territory. It has rough, tessellated bark on the trunk and branches, broadly lance-shaped to egg-shaped adult leaves, flower buds usually in groups of seven, creamy white flowers and urn-shaped to barrel-shaped fruit.

<i>Corymbia setosa</i>

Corymbia setosa, commonly known as the rough leaved bloodwood or desert bloodwood, is a species of small tree that is endemic to north-eastern Australia. It has rough, tessellated brown bark on the trunk and branches, a crown of juvenile, heart-shaped leaves arranged in opposite pairs, flower buds in groups of three or seven, white flowers and urn-shaped to shortened spherical fruit.

Corymbia sphaerica, commonly known as the big-fruited bloodwood, is a species of tree, sometimes a mallee or shrub, that is endemic to a small area in the Northern Territory of Australia. It has rough bark on the trunk and branches, a crown of heart-shaped to lance-shaped juvenile leaves, flower buds in groups of three and shortened spherical fruit.

<i>Corymbia umbonata</i>

Corymbia umbonata, commonly known as the rusty bloodwood, is a species of tree that is endemic to the Top End of the Northern Territory. It has thin, rough bark on the trunk, often also the branches, lance-shaped or curved adult leaves, flower buds in groups of seven, creamy white flowers and urn-shaped fruit.

References

  1. 1 2 "Corymbia dunlopiana". Australian Plant Census. Retrieved 9 February 2020.
  2. 1 2 3 4 "Corymbia dunlopiana K.D.Hill & L.A.S.Johnson". NT Flora. Northern Territory Government . Retrieved 26 September 2016.
  3. Dean Nicolle. "Eucalypt Diversity Gallery". Currency Creek Arboretum . Retrieved 26 September 2016.
  4. "Corymbia dunlopiana". Euclid: Centre for Australian National Biodiversity Research. Retrieved 6 June 2020.
  5. Dean Nicolle (30 April 2010). "An illustrated guide to Australia's gum blossoms". Australian Geographic. Retrieved 19 November 2017.
  6. 1 2 3 4 Hill, Kenneth D.; Johnson, Lawrence A.S. (13 December 1995). "Systematic studies in the eucalypts. 7. A revision of the bloodwoods, genus Corymbia (Myrtaceae)". Telopea. 6 (2–3): 354–356. doi: 10.7751/telopea19953017 .
  7. "Corymbia dunlopiana". APNI. Retrieved 9 February 2020.