Eucalyptus armillata

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Red-flowered mallee
Eucalyptus armillata flowers.jpg
Eucalyptus armillata flowers (pale creamy yellow form)
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Myrtales
Family: Myrtaceae
Genus: Eucalyptus
Species:
E. armillata
Binomial name
Eucalyptus armillata
Synonyms [2]
  • Eucalyptus conoidea var. marginata Benth.
  • Eucalyptus erythronema var. marginata(Benth.) Domin

Eucalyptus armillata, commonly known as red-flowered mallee, [3] is a mallee that is endemic to the south-west of Western Australia. It has smooth bark, narrow lance-shaped adult leaves, flower buds hanging downwards in groups of three, usually red flowers and prominently ribbed fruit with a double flange around the rim.

Contents

flower buds Eucalyptus armillata fruit.jpg
flower buds

Description

Eucalyptus armillata is a mallee that grows to a height of about 7 metres (23 ft) and forms a lignotuber. The bark is pale grey to white turning pink to reddish purple and smooth over the length of the tree. The leaves on young plants and on coppice regrowth are dull green and narrow lance-shaped. The adult leaves are narrow lance-shaped, glossy, 55–110 mm (2–4 in) long and 7–14 mm (0.3–0.6 in) wide. The flower buds droop downwards, mostly in groups of three on a thickened peduncle 13–31 mm (0.5–1.2 in) long, the individual flowers on a pedicel up to 40 mm (1.6 in) long. The mature buds are shaped like two cones joined at the base, 18–23 mm (0.7–0.9 in) long and 7–11 mm (0.3–0.4 in) wide with a prominent flange below the operculum. The flowers are usually red, occasionally pale creamy yellow, and the fruit are shaped like the flower buds, 10–14 mm (0.4–0.6 in) long and 7–12 mm (0.3–0.5 in) wide with ribs on the side and a double flange around the rim. [3] [4]

Taxonomy and naming

Eucalyptus armillata was first formally described in 2012 by Dean Nicolle and Malcolm E. French from a specimen collected south of Wongan Hills. The description was published in the journal Nuytsia . [4] [5] The specific epithet (armillata) is a Latin word meaning "ornamented with a bracelet", referring to the prominent flange at the top of the floral cup and around the rim of the fruit. [4]

Distribution and habitat

The red-flowered mallee grows in mallee vegetation, usually on level ground from near Corrow and Calingiri to near Beacon and Wubin in the Avon Wheatbelt, Geraldton Sandplains, Jarrah Forest and Mallee biogeographic regions. [3] [4]

Conservation

Eucalyptus armillata is classified as "not threatened" by the Western Australian Government Department of Parks and Wildlife. [3]

See also

Related Research Articles

<i>Eucalyptus erythronema</i> Species of eucalyptus

Eucalyptus erythronema, commonly known as the red-flowered mallee, is a species of mallee or tree and is endemic to Western Australia. It has smooth, dark pink to red bark that is shed to reveal whitish bark, and has lance-shaped adult leaves, pendulous flower buds mostly arranged in groups of three, red or yellow flowers and conical fruit.

<i>Eucalyptus lansdowneana</i> Species of plant

Eucalyptus lansdowneana, commonly known as the crimson mallee or the red-flowered mallee box, is a species of slender stemmed, straggly mallee that is endemic to a restricted area of South Australia. It has rough, fibrous or flaky bark at the base, smooth, grey over creamy-white bark, lance-shaped adult leaves, flower buds in groups of seven, crimson flowers and barrel-shaped fruit.

<i>Eucalyptus effusa</i> Species of eucalyptus

Eucalyptus effusa, commonly known as rough-barked gimlet, is a species of mallee or small tree that is endemic to Western Australia. It has thin, rough bark on the base of the trunk, smooth bark above, linear to narrow lance-shaped adult leaves, flower buds arranged in groups of seven, white flowers and cup-shaped to conical fruit.

Eucalyptus exigua is a species of mallee that is endemic to Western Australia. It has smooth, whitish bark, linear to narrow lance-shaped adult leaves, flower buds in groups of between seven and eleven, white flowers and short barrel-shaped to conical fruit.

<i>Eucalyptus gittinsii</i> Species of eucalyptus

Eucalyptus gittinsii, commonly known as northern sandplain mallee, is a species of mallee that is endemic to Western Australia. It has smooth greyish bark, sometimes with rough flaky bark near the base, lance-shaped to curved adult leaves, flower buds in groups of three, whitish flowers and cylindrical to barrel-shaped fruit.

Eucalyptus gypsophila, also known as the kopi mallee, is a species of mallee that is native to Western Australia and South Australia. It has rough, flaky bark on the lower part of the trunk, smooth light grey bark above, lance-shaped adult leaves, flower buds mostly in groups of between seven and eleven, creamy white flowers and conical to cylindrical fruit.

Eucalyptus histophylla is a species of mallee or small tree that is endemic to southern Western Australia. It has smooth bark, often with ribbons of shed bark, linear to narrow lance-shaped adult leaves, flower buds arranged in groups in leaf axils, white flowers and cylindrical to barrel-shaped or conical fruit.

<i>Eucalyptus ligulata</i> Species of eucalyptus

Eucalyptus ligulata, commonly known as Lucky Bay mallee, is a mallee that is native to a few small areas along the south coast of Western Australia. It has smooth bark on the trunk and branches, narrow lance-shaped leaves, flower buds in groups of between nine and thirteen, creamy white flowers and cup-shaped or barrel-shaped fruit with shallow ribs on the sides.

Eucalyptus olivina is a species of mallee or a tree that is endemic to Western Australia. It has smooth greyish bark, linear to narrow lance-shaped adult leaves, flower buds in groups of seven or nine, creamy white flowers and short barrel-shaped to cup-shaped fruit.

Eucalyptus polita is a species of mallet or small tree that is endemic to the southwest of Western Australia. It has smooth, greyish bark, narrow lance-shaped adult leaves, flower buds in groups of between seven and eleven, white flowers and cup-shaped fruit.

Eucalyptus repullulans, commonly known as chrysoprase mallee, is a species of mallee that is native to arid parts of Western Australia and the far north-west of South Australia. It has smooth bark, lance-shaped adult leaves, flower buds in groups of between seven and thirteen, cream-coloured flowers and cup-shaped, cylindrical or conical fruit.

<i>Eucalyptus sargentii</i> Species of eucalyptus

Eucalyptus sargentii, commonly known as Salt River gum, is a species of mallet, mallee or small tree that is endemic to Western Australia. It has rough bark on part or all of the trunk, smooth bark above, linear to narrow lance-shaped leaves, flower buds in groups of seven, whitish to creamy yellow flowers and conical fruit.

Eucalyptus subangusta is a species of tree, mallee or mallet that is endemic to the southwest of Western Australia. It has smooth bark, narrow lance-shaped leaves, flower buds in groups of up to nineteen, white flowers and cup-shaped to barrel-shaped fruit.

Eucalyptus tenera, commonly known as the glazed mallee or sand mallee, is a species of mallee that is endemic to Western Australia. It has smooth bark, narrow lance-shaped to elliptical leaves, flower buds in groups of seven to eleven, lemon yellow flowers and cup-shaped to barrel-shaped fruit.

<i>Eucalyptus dissimulata</i> Species of eucalyptus

Eucalyptus dissimulata, commonly known as the red-capped mallee, is a species of mallee that is endemic to Western Australia. It has smooth greyish bark that is shed in strips, glossy green, narrow elliptic to narrow lance-shaped adult leaves, flower buds in groups of between seven and eleven, creamy white flowers and short cylindrical to stubby barrel-shaped fruit.

<i>Eucalyptus ecostata</i> Species of eucalyptus

Eucalyptus ecostata, commonly known as coastal silver mallee, is a species of mallee that is endemic to the south coast of Western Australia. It has smooth greyish bark, lance-shaped to curved adult leaves, flower buds in groups of between eleven and fifteen, creamy white flowers and more or less hemispherical but flattened fruit.

Eucalyptus frenchiana is a species of mallet that is endemic to Western Australia. It has smooth bark, narrow lance-shaped, glossy green adult leaves, ribbed flower buds in groups of three, white flowers and ribbed, conical to cup-shaped fruit.

Eucalyptus opimiflora, commonly known as northern silver mallee, is a species of mallee that is endemic to near-coastal areas of Western Australia between Perth and Geraldton. It has smooth grey bark, lance-shaped adult leaves, flower buds in groups of between seven and fifteen, creamy white flowers and conical to hemispherical fruit.

Eucalyptus proxima, commonly known as nodding mallee or red-flowered mallee, is a species of mallee that is endemic to a small area in the south-west of Western Australia. It has smooth greyish bark, lance-shaped adult leaves, flower buds in groups of seven, red to pink, sometimes yellowish flowers and conical to slightly bell-shaped fruit.

Eucalyptus vittata is a species of mallet that is endemic to Western Australia. It has smooth bark, lance-shaped adult leaves, ribbed flower buds in groups of seven or nine, creamy white flowers and glaucous, hemispherical to cylindrical or cup-shaped fruit.

References

  1. ↑ Fensham, R., Laffineur, B. & Collingwood, T. 2019. Eucalyptus armillata. The IUCN Red List of Threatened Species 2019: e.T133374776A133374778. https://dx.doi.org/10.2305/IUCN.UK.2019-3.RLTS.T133374776A133374778.en. Downloaded on 20 September 2021.
  2. 1 2 "Eucalyptus armillata". Australian Plant Census. Retrieved 7 March 2019.
  3. 1 2 3 4 "Eucalyptus armillata". FloraBase . Western Australian Government Department of Biodiversity, Conservation and Attractions.
  4. 1 2 3 4 Nicolle, Dean; French, Malcolm E. (2012). "A review of Eucalyptus erythronema (Myrtaceae) from the wheatbelt of south-western Australia" (PDF). Nuytsia. 22 (6): 456–459. Retrieved 7 March 2019.
  5. ↑ "Eucalyptus armillata". APNI. Retrieved 7 March 2019.
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