Hypocalymma puniceum

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Hypocalymma puniceum
Hypocalymma puniceum.jpg
In the garden of the Western Australian Herbarium
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Myrtales
Family: Myrtaceae
Genus: Hypocalymma
Species:
H. puniceum
Binomial name
Hypocalymma puniceum

Hypocalymma puniceum, commonly known as large myrtle, [2] is a species of flowering plant in the myrtle family Myrtaceae, and is endemic to the south-west of Western Australia. It is a spreading shrub with linear leaves and bright pink flowers arranged singly in leaf axils, with 35 to 55 stamens in several rows.

Contents

Description

Hypocalymma puniceum is a spreading shrub that typically grows up to 0.1–1 m (3.9 in – 3 ft 3.4 in), high and wide, its young stems four ridged to slightly four-winged. Its leaves are arranged in opposite pairs, linear, 8–16 mm (0.31–0.63 in) long and 0.5–1.1 mm (0.020–0.043 in) wide and sessile or on a petiole up to 1 mm (0.039 in) long. The leaves have 15 to 25 oil glands in two rows. The flowers are mostly borne singly in up to five leaf axils on a peduncle 4–6 mm (0.16–0.24 in) long with bracteoles 1.5–3 mm (0.059–0.118 in) long. The sepal lobes are egg-shaped to almost round, 2.5–3.5 mm (0.098–0.138 in) long and 3.0–4.5 mm (0.12–0.18 in) wide. The petals are bright pink, 8–13 mm (0.31–0.51 in) long and there are 35 to 55 stamens in two rows, the longest filaments 3.5–5 mm (0.14–0.20 in) long and joined at the base. Flowering occurs throughout the year, with a peak in the summer months, and the fruit is 2.5–3.5 mm (0.098–0.138 in) long and 3.5–4.5 mm (0.14–0.18 in) wide. [2] [3] [4] [5]

Taxonomy

Hypocalymma puniceum was first formally described in 1924 by Charles Gardner in the Journal and Proceedings of the Royal Society of Western Australia from specimens he collected near Bendering in 1922. [5] [6] [7] The specific epithet (puniceum) means 'crimson'. [8]

Distribution and habitat

This species of Hypocalymma is found from Ballidu to near Lake Grace in the Avon Wheatbelt and Mallee bioregions of south-western Western Australia, where it grows in lateritic sand or gravel in mallee shrubland, shrubland or heath. [3] [2] [5]

Conservation status

Hypocalymma puniceum is listed as "not threatened" by the Government of Western Australia Department of Biodiversity, Conservation and Attractions. [3]

Related Research Articles

<i>Hypocalymma</i> Genus of flowering plants

Hypocalymma is a genus of evergreen shrubs in the myrtle family Myrtaceae described as a genus in 1840. The entire genus is endemic to southern Western Australia.

<i>Hypocalymma angustifolium</i> Species of flowering plant

Hypocalymma angustifolium, commonly known as white myrtle, or pink-flowered myrtle, is a species of flowering in the myrtle family Myrtaceae, and is endemic to the south west region of Western Australia. The Noongar peoples know the plant as koodgeed or kudjidi. It is an erect, multi-stemmed shrub with narrowly linear leaves, white or pale pink flowers.

<i>Hypocalymma robustum</i> Species of flowering plant

Hypocalymma robustum, commonly known as Swan River myrtle, is a species of flowering plant in the myrtle family Myrtaceae, and is endemic to the south-west of Western Australia. It is an erect, multistemmed shrub or shrublet with linear to narrowly oblong leaves and pink flowers arranged in pairs in leaf axils, with 35 to 60 stamens.

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

Calytrix acutifolia is a species of flowering plant in the myrtle family Myrtaceae and is endemic to south-west of Western Australia. It is a slender, openly-branched shrub with linear to lance-shaped leaves and clusters of white, cream-coloured or yellow flowers with 40 to 85 white stamens in several rows.

Calytrix ecalycata is a species of flowering plant in the myrtle family Myrtaceae and is endemic to the south-west of Western Australia. It is a slender, erect shrub with linear to narrowly elliptic leaves, and yellow flowers with 35 to 50 stamens in several rows.

<i>Hypocalymma asperum</i> Species of flowering plant

Hypocalymma asperum is a species of flowering in the myrtle family Myrtaceae, and is endemic to the south west region of Western Australia. It is an erect, multi-branched or spreading shrublet, with relatively short, stout leaves, and rose pink flowers.

Hypocalymma connatum is a species of flowering in the myrtle family Myrtaceae, and is endemic to Western Australia. It is a shrub, with narrowly egg-shaped leaves, probably white flowers, but has not been collected since 1935.

<i>Hypocalymma cordifolium</i> Species of flowering plant

Hypocalymma cordifolium is a species of flowering plant in the myrtle family Myrtaceae, and is endemic to the south west of Western Australia. It is usually an low-growing shrub, but is sometimes erect, with winged stems, heart-shaped leaves arranged in opposite pairs, white or pale pink flowers mostly arranged in pairs in leaf axils, and fruit containing pearly white or pale brown seeds.

<i>Hypocalymma elongatum</i> Species of flowering plant

Hypocalymma elongatum is a species of flowering plant in the myrtle family Myrtaceae, and is endemic to the south west of Western Australia. It is a large, bushy shrub with linear leaves more or less triangular in cross section, and pink flowers arranged in pairs in leaf axils with 30 to 50 stamens.

Hypocalymma ericifolium is a species of flowering plant in the myrtle family Myrtaceae, and is endemic to the south west of Western Australia. It is an erect shrublet with linear leaves that are more or less triangular in cross section, and bright yellow flowers arranged in pairs in leaf axils with 30 to 50 stamens.

Hypocalymma gardneri is a species of flowering plant in the myrtle family Myrtaceae, and is endemic to the south west of Western Australia. It is a widely spreading subshrub, with linear leaves and yellow flowers arranged in pairs in leaf axils, with 80 to 105 stamens in several rows.

<i>Hypocalymma hirsutum</i> Species of flowering plant

Hypocalymma hirsutum is a species of flowering plant in the myrtle family Myrtaceae, and is endemic to the south west of Western Australia. It is a low-growing shrub, with leaves arranged in opposite pairs, narrowly egg-shaped with the narrower end towards the base, and bright yellow flowers arranged singly in leaf axils, with usually 80 to 110 stamens in several rows.

<i>Hypocalymma jessicae</i> Species of flowering plant

Hypocalymma jessicae, commonly known as barrens myrtle, is a species of flowering plant in the myrtle family Myrtaceae, and is endemic to the south west of Western Australia. It is an erect, spreading shrub, with narrowly egg-shaped leaves with the narrower end towards the base, and pale to bright pink flowers mostly arranged in pairs in leaf axils, with 35 to 100 stamens in several rows.

Hypocalymma longifolium, commonly known as long-leaved myrtle, is a species of flowering plant in the myrtle family Myrtaceae, and is endemic to a restricted part of Western Australia. It is an open shrub with linear leaves, and white or cream-coloured flowers arranged in pairs in leaf axils, with 40 to 50 stamens in several rows.

Hypocalymma melaleucoides, commonly known as Fitzgerald myrtle, is a member of the family Myrtaceae and is endemic to the Fitzgerald River National Park in the south of Western Australia. It is a spreading shrub with linear leaves that are round in cross-section, and bright pink flowers, with 35 to 55 stamens in several rows.

<i>Hypocalymma myrtifolium</i> Species of flowering plant

Hypocalymma myrtifolium is a species of flowering plant in the myrtle family Myrtaceae, and is endemic to a restricted area in the south west of Western Australia. It is an erect shrub with egg-shaped to elliptic leaves and white or cream-coloured flowers with 30 to 50 stamens in several rows.

Hypocalymma minus is a species of flowering plant in the myrtle family Myrtaceae, and is endemic to the south west of Western Australia. It is a low-growing shrub, with heart-shaped leaves arranged in opposite pairs, white or pale pink flowers usually arranged singly in leaf axils with 10 to 20 stamens in one or two rows.

<i>Hypocalymma phillipsii</i> Species of flowering plant

Hypocalymma phillipsii is a species of flowering plant in the myrtle family Myrtaceae, and is endemic to a restricted part of Western Australia. It is an erect, spreading shrub with elliptic to very broadly egg-shaped leaves, and white flowers arranged singly or in pairs in leaf axils, with 30 to 50 stamens in several rows.

Babingtonia urbana, commonly known as coastal plain babingtonia, is a species of flowering plant in the family Myrtaceae and is endemic to the southwest of Western Australia. It is a shrub with linear leaves and white or pale pink flowers usually arranged singly in leaf axils, each flower with 16 to 20 stamens in a circle.

<i>Hypocalymma <span style="font-style:normal;">×</span> linifolium</i> Species of flowering plant

Hypocalymma x linifolium is a species of flowering plant in the myrtle family Myrtaceae, and is endemic to a restricted area in the south west of Western Australia. It is low, spreading shrub with narrowly egg-shaped to almost linear leaves and bright yellow flowers with 22 to 41 stamens in several rows.

References

  1. ↑ "Hypocalymma puniceum". Australian Plant Census. Retrieved 18 October 2024.
  2. 1 2 3 Rye, Barbara L.; Keighery, Greg J. Wege, Juliet A.; Ely, C.J. (eds.). "Hypocalymma puniceum". Flora of Australia. Australian Biological Resources Study, Department of Climate Change, Energy, the Environment and Water: Canberra. Retrieved 18 October 2024.
  3. 1 2 3 "Hypocalymma puniceum". FloraBase . Western Australian Government Department of Biodiversity, Conservation and Attractions.
  4. ↑ Rye, Barbara L.; Keighery, Gregory J.; Barrett, Matthew David (2022). "Description of a new south-western Australian plant group, Hypocalymma sect. Grandiflora (Myrtaceae: Chamelaucieae: Astarteinae)" (PDF). Nuytsia. 33: 247–248. Retrieved 18 October 2024.
  5. 1 2 3 Strid, P. Arne K.; Keighery, Greg J. (2003). "A taxonomic review of the genus Hypocalymma (Myrtaceae)". Nordic Journal of Botany. 22 (5): 563–564.
  6. ↑ "Hypocalymma puniceum". Australian Plant Name Index. Retrieved 16 October 2024.
  7. ↑ Gardner, Charles A. (1923). "Contributions to the Flora of Western Australia, No. 3". Journal of the Royal Society of Western Australia. 9: 103–104. Retrieved 18 October 2024.
  8. ↑ George, Alex; Sharr, Francis (2021). Western Australian Plant Names and Their Meanings (4th ed.). Kardinya, WA: Four Gables Press. p. 287. ISBN   9780958034180.
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