Melaleuca systena

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Coastal honeymyrtle
Melaleuca systena (leaves, flowers).JPG
Melaleuca systena leaves and flowers
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Myrtales
Family: Myrtaceae
Genus: Melaleuca
Species:
M. systena
Binomial name
Melaleuca systena
Synonyms [1]

Melaleuca systena, commonly known as coastal honeymyrtle is a plant in the myrtle family, Myrtaceae and is endemic to the south-west of Western Australia. It was previously known as Melaleuca acerosa. It is a small shrub with crowded foliage and profuse heads of white to yellow flowers on the ends of its branches in spring.

Contents

Description

Melaleuca systena sometimes grows to a height of 2 m (7 ft) but usually much less. Its leaves are arranged alternately, linear to egg-shaped and fleshy, 4–15.5 mm (0.2–0.6 in) long and 0.6–1.4 mm (0.02–0.06 in) wide. They are sometimes glabrous, sometimes covered with fine hairs and often taper to a point. [2]

The flowers are white to creamy-yellow and arranged in heads on the ends of branches which continue to grow after flowering, sometimes also in the upper leaf axils. The heads are up to 20 mm (0.8 in) in diameter and contain 3 to 9 groups of flowers in threes. The flowers appear in winter and summer but are more prolific in spring. The petals are 1.5–2.5 mm (0.06–0.1 in) long and fall off as the flower opens. The stamens are arranged in bundles of five around the flower, usually with 10 to 15 stamens in each bundle. The fruit are woody capsules, roughly urn-shaped, 3–6 mm (0.1–0.2 in) long in small clusters along the stems. [2]

Habit near Jurien Bay Melaleuca systena (habit).JPG
Habit near Jurien Bay
Fruit Melaleuca systena (fruits).JPG
Fruit

Taxonomy and naming

Melaleuca systena was first named in 1999 by Lyndley Craven and Brendan Lepschi in Australian Systematic Botany . [3] [4] It had been first formally described in 1824 as Billottia acerosa by Luigi Aloysius Colla. [5] The name was later changed to Melaleuca acerosa but this was an illegal name because it had already been used - Melaleuca acerosa (Colla) G.Don. [6] The name of that species was later changed to Calothamnus quadrifidus . [7] The specific epithet (systena) is from the Ancient Greek word systenos meaning "tapering" [8] referring to the shape of the leaf. [2]

Distribution and habitat

This melaleuca occurs on the coast in and between the Shark Bay and Augusta districts [2] in the Avon Wheatbelt, Coolgardie, Geraldton Sandplains, Jarrah Forest, Swan Coastal Plain, Warren and Yalgoo biogeographic regions. [9] It grows in sand over sandstone or laterite and on stable sand dunes. [10]

Conservation

This species is classified as "not threatened" by the Government of Western Australia Department of Parks and Wildlife. [9]

Related Research Articles

Melaleuca penicula is a plant in the myrtle family, Myrtaceae and is endemic to the south of Western Australia. It is a rare species only known from the Fitzgerald River National Park and resembles Melaleuca eximia with its spikes of red flowers but its leaves and stamen bundles are different.

<i>Melaleuca amydra</i> Species of plant

Melaleuca amydra is a plant in the myrtle family, Myrtaceae and is endemic to the south-west of Western Australia. It is similar to Melaleuca ryeae with its small, compact form, oval leaves and "pom-pom" heads of pink to purple flower heads on the ends of the branches in spring.

<i>Melaleuca barlowii</i> Species of flowering plant

Melaleuca barlowii is a plant in the myrtle family, Myrtaceae and is endemic to the south-west of Western Australia. It is similar to a number of other Western Australian melaleucas such as M. conothamnoides with its purple pom-pom flower heads but is a more erect shrub with different leaves and the fruiting clusters have a different shape.

Melaleuca boeophylla is a plant in the myrtle family, Myrtaceae and is endemic to the south-west of Western Australia. It is similar to a number of other Western Australian melaleucas such as M. filifolia with its purple pom-pom flower heads but its leaves are shorter and oval in cross-section.

<i>Melaleuca campanae</i> Species of shrub

Melaleuca campanae is a plant in the myrtle family, Myrtaceae and is endemic to the south-west of Western Australia. It is a small, woody shrub similar to Melaleuca eulobata, with a low, spreading habit and pinkish flower heads but it has longer, pointed leaves and lacks distinct sepals which instead form a ring of tissue around the edge of the flowers.

<i>Melaleuca carrii</i> Species of shrub

Melaleuca carrii is a plant in the myrtle family, Myrtaceae and is endemic to the south-west of Western Australia. It is a small shrub similar to Melaleuca pentagona, with "pom-pom" heads of pinkish flowers and sharply pointed leaves but it is generally smaller, lacks a groove in its leaves and retains its petals on the flowers for longer than that species.

<i>Melaleuca clavifolia</i> Species of shrub

Melaleuca clavifolia is a plant in the myrtle family, Myrtaceae and is endemic to the south-west of Western Australia. It is a small shrub similar to Melaleuca tinkeri, with "pom-pom" heads of pinkish flowers and soft, silky hairs on the new growth but it has larger flower heads and its leaves are shorter, more club-shaped and have less distinct oil glands.

<i>Melaleuca calyptroides</i> Species of flowering plant

Melaleuca calyptroides is a plant in the myrtle family, Myrtaceae and is endemic to the south-west of Western Australia. It is similar to a number of other Western Australian melaleucas such as M. hollidayi with its almost cylindrical leaves, purple pom-pom flower heads and low growth habit but it has longer, wartier leaves and fewer flowers in the inflorescences. The floral cup and woody capsule from which it develops are longer than those of similar melaleucas.

Melaleuca eulobata is a plant in the myrtle family, Myrtaceae and is endemic to the west coast of Western Australia. It is a shrub resembling Melaleuca campanae with its heads of pink flowers in late spring but is distinguished from that species by its sepals - in M. campane these are reduced to a ring of tissue but M. eulobata has distinct calyx lobes.

<i>Melaleuca leuropoma</i> Species of flowering plant

Melaleuca leuropoma is a plant in the myrtle family, Myrtaceae and is endemic to the south-west of Western Australia. It is a small to medium-sized shrub which flowers over an extended period with flower colour varying from purple to yellow or white. The glossy, often brown petals covering the flower buds are also an unusual characteristic of this species.

<i>Melaleuca orbicularis</i> Species of flowering plant

Melaleuca orbicularis is a plant in the myrtle family, Myrtaceae and is endemic to the south-west of Western Australia. It is similar to Melaleuca cordata with its pinkish "pom-pom" heads of flowers but its leaves are smaller, almost circular compared to the heart shaped leaves of the other species.

<i>Melaleuca osullivanii</i> Species of plant

Melaleuca osullivanii is a plant in the myrtle family, Myrtaceae and is endemic to the south-west of Western Australia. It was first formally described in 2004 after a review of the broombush group, Melaleuca uncinata. It differs from others in the group by having leaves that are fine and circular in cross section. The closest other broombrush is Melaleuca hamata whose leaves are 0.8–1.6 mm (0.03–0.06 in) in diameter compared to 0.7–0.9 mm (0.03–0.04 in) for this species.

Melaleuca similis is a plant in the myrtle family, Myrtaceae and is endemic to the south west of Western Australia. It is a small shrub, similar to Melaleuca stramentosa with its narrow, almost cylindrical leaves and heads of pink to purple flowers but lacks the matted, silky hairs on the young leaves and outer edge of the flower cup.

<i>Melaleuca societatis</i> Species of shrub

Melaleuca societatis is a plant in the myrtle family, Myrtaceae and is endemic to the south west of Western Australia. It is a dwarf shrub with small, fleshy leaves and many heads of pink or purple flowers in spring, followed by "soccer-ball" fruit.

Melaleuca stramentosa is a plant in the myrtle family, Myrtaceae and is endemic to the south-west of Western Australia. It is a small, bushy shrub similar to Melaleuca similis with its cylindrical leaves and heads of pink to purple flowers but differs in have matted, woolly hairs around the flowers and on the young leaves.

<i>Melaleuca marginata</i> Species of shrub

Melaleuca marginata is a shrub in the myrtle family, Myrtaceae and is endemic to the south-west of Western Australia. It is distinguished by its prickly leaves and its flowers occurring in long sections of the branches. From 1922 to 2011 was known as Melaleuca coronicarpa.

<i>Melaleuca dichroma</i> Species of shrub

Melaleuca dichroma is a shrub in the myrtle family, Myrtaceae and is endemic to the south-west of Western Australia. It is unusual for its genus in that its flowers are yellow or creamy-white but age to a pinkish-red.

<i>Melaleuca acutifolia</i> Species of flowering plant

Melaleuca acutifolia is a plant in the myrtle family, Myrtaceae and is endemic to the south-west of Western Australia. It has small, pointed, oval leaves and in summer, heads of white flowers. The species was originally described as a variety of Melaleuca lateriflora but was raised to species status in 2010.

<i>Melaleuca spectabilis</i> Species of flowering plant

Melaleuca spectabilis is a plant in the myrtle family, Myrtaceae, and is endemic to the south-west of Western Australia. It was formerly known as a subspecies of Melaleuca longistaminea. It is a low, prickly shrub with yellow or lime-green flowers in spring and early summer.

<i>Melaleuca ulicoides</i> Species of flowering plant

Melaleuca ulicoides is a plant in the myrtle family, Myrtaceae and is endemic to the south of Western Australia. It is a small, densely foliaged shrub with small heads of white or cream flowers in spring. It is closely related to Melaleuca marginata but can be distinguished from it by the number and character of leaf veins.

References

  1. 1 2 "Melaleuca systena". Plants of the World Online. Retrieved 8 September 2021.
  2. 1 2 3 4 Brophy, Joseph J.; Craven, Lyndley A.; Doran, John C. (2013). Melaleucas : their botany, essential oils and uses. Canberra: Australian Centre for International Agricultural Research. p. 353. ISBN   9781922137517.
  3. Craven, L. A.; Lepschi, B. J. (1999). "Enumeration of the species and infraspecific taxa of Melaleuca (Myrtaceae) occurring in Australia and Tasmania". Australian Systematic Botany. 12 (6): 907–908. doi:10.1071/SB98019.
  4. "Melaleuca systena". APNI. Retrieved 29 April 2015.
  5. "Billottia acerosa". APNI. Retrieved 3 September 2015.
  6. "Melaleuca acerosa". APNI. Retrieved 29 April 2015.
  7. "Calothamnus quadrifidus". APNI. Retrieved 29 April 2015.
  8. Brown, Roland Wilbur (1956). The Composition of Scientific Words. Washington, D.C.: Smithsonian Institution Press. p. 623.
  9. 1 2 "Melaleuca systena". FloraBase. Retrieved 29 April 2015.
  10. Paczkowska, Grazyna; Chapman, Alex R. (2000). The Western Australian flora : a descriptive catalogue. Perth: Wildflower Society of Western Australia. p. 398. ISBN   0646402439.