Hypocalymma elongatum

Last updated

Hypocalymma elongatum
Hypocalymma elongatum.jpg
In the Australian National Botanic Gardens
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. elongatum
Binomial name
Hypocalymma elongatum

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.

Contents

Description

Hypocalymma elongatum is a large, bushy shrub that typically grows to a height of 0.3–1.6 m (1 ft 0 in – 5 ft 3 in) and often has many branches. Its leaves are arranged in opposite pairs, linear, 15–23 mm (0.59–0.91 in) long, about 0.8 mm (0.031 in) wide, sessile, triangular in cross section and spaced 10–20 mm (0.39–0.79 in) apart. The flowers are arranged in pairs in leaf axils, more or less sessile or occasionally on peduncles up to 2 mm (0.079 in) long. The bracts and bracteoles fall off in the bud stage. The sepal lobes are broadly egg-shaped, 1.5–2.0 mm (0.059–0.079 in) long and pale pinkish. The petals are more or less round and pink, about 3 mm (0.12 in) long and there are 35 to 55 stamens, the filaments joined at the base and about the same length, or shortly longer than the petals. Flowering mainly occurs between December and April and the fruit is a capsule about 3 mm (0.12 in) long and 3.5 mm (0.14 in) wide. [2] [3] [4] [5]

Taxonomy

This species was first described in 2003 by Arne Strid and Greg Keighery who gave it the name Hypocalymma strictum subsp. elongatum in the Nordic Journal of Botany from specimens collected by Strid near Wellstead. [2] [6] In 2020 Barbara Lynette Rye raised it to species status as Hypocalymma elongatum in the journal Nuytsia . [4] [7] The specific epithet (elongatum) means 'lengthened', referring to the distance between the leaves. [8]

Distribution and habitat

Hypocalymma elongatum grows in sandy soils in the area around the Stirling Range, from the Hamilla Hill Nature Reserve to Wellstead in the Avon Wheatbelt, Esperance Plains and Jarrah Forest bioregions of south-western Western Australia. [4] [5]

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 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.

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.

Micromyrtus acuta is a species of flowering plant in the myrtle family, Myrtaceae and is endemic to the southwest of Western Australia. It is an erect shrub with small, oblong leaves and small white flowers in the upper leaf axils.

<i>Micromyrtus clavata</i> Species of shrub

Micromyrtus clavata is a species of flowering plant in the family Myrtaceae and is endemic to inland Western Australia. It is an erect, compact or sprawling shrub with erect, egg-shaped leaves with the narrower end towards the base and small white flowers arranged singly in upper leaf axils.

Micromyrtus placoides is a species of the flowering plant in the family Myrtaceae and is endemic to the inland areas of Western Australia. It is a shrub with glabrous, oblong to almost round leaves, white flowers 3.0–3.5 mm (0.12–0.14 in) in diameter, and 10 stamens in each flower.

Micromyrtus rogeri is a species of flowering plant in the family Myrtaceae and is endemic to the south-west of Western Australia. It is shrub with egg-shaped leaves with the narrower end towards the base, and white flowers with 10 stamens.

Micromyrtus trudgenii is a species of flowering plant in the family Myrtaceae and is endemic to a small area of inland Western Australia. It is an erect, open shrub with narrowly egg-shaped leaves with the narrower end towards the base, and yellow flowers with 10 stamens.

Micromyrtus uniovulum is a species of flowering plant in the family Myrtaceae and is endemic to a small area in the south-west of Western Australia. It is a low, spreading, sometimes erect shrub with oblong leaves, and white flowers with 10 stamens.

<i>Thryptomene australis</i> Species of flowering plant

Thryptomene australis, commonly known as hook-leaf thryptomene, is a species of flowering plant in the family Myrtaceae and is endemic to the south-west of Western Australia. It is an erect, bushy and spreading shrub with upward-pointing leaves with the tip curving outwards, and flowers with white petals arranged spike-like near the ends of the branchlets.

Thryptomene costata is a species of flowering plant in the family Myrtaceae and is endemic to Western Australia. It is an erect shrub with upward pointing, egg-shaped leaves with the narrower end towards the base, and white or pink flowers with five petals and ten stamens.

Thryptomene duplicata is a species of flowering plant in the family Myrtaceae and is endemic to Western Australia. It is a spreading shrub with upward pointing, egg-shaped leaves with the narrower end towards the base, and white flowers with five petals and about fifteen stamens in two whorls.

Thryptomene johnsonii is a species of flowering plant in the family Myrtaceae and is endemic to a restricted area of Western Australia. It is a bushy shrub with rigid branches, egg-shaped leaves with the narrower end towards the base and pink flowers with five petals and usually eight stamens.

Babingtonia erecta is a species of flowering plant in the family Myrtaceae and is endemic to the southwest of Western Australia. It is an erect shrub with densely clustered, linear leaves and white or pale pink flowers in groups two to seven in leaf axils, each flower with 8 to 14 stamens.

Babingtonia fascifolia is a species of flowering plant in the family Myrtaceae and is endemic to the southwest of Western Australia. It is a shrub with erect, slender stems, linear leaves and white or pale pink flowers in groups two to seven in leaf axils, each flower with 19 to 23 stamens.

Babingtonia maleyae, commonly known as the Narrogin babingtonia, is a species of flowering plant in the family Myrtaceae and is endemic to the southwest of Western Australia. It is a compact shrub with narrowly egg-shaped to elliptic leaves and white flowers usually arranged singly in leaf axils, each flower with 17 to 20 stamens.

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.

References

  1. ↑ "Hypocalymma elongatum". Australian Plant Census. Retrieved 24 August 2024.
  2. 1 2 Strid, Arne; Keighery, Gregory J. (2003). "A taxonomic review of the genus Hypocalymma (Myrtaceae)". Nordic Journal of Botany. 22 (5): 558–561.
  3. ↑ Rye, Barbara L.; Keighery, Gregory J. Wege, Juliet A.; Ely, C.J. (eds.). "Hypocalymma elongatum". Flora of Australia. Australian Biological Resources Study, Department of Climate Change, Energy, the Environment and Water: Canberra. Retrieved 21 August 2024.
  4. 1 2 3 Rye, Barbara L. (2010). "A lectotype and new combination in Hypocalymma (Myrtaceae: Chamelaucieae)". Nuytsia. 20: 324–325. Retrieved 24 August 2024.
  5. 1 2 "Hypocalymma elongatum". FloraBase . Western Australian Government Department of Biodiversity, Conservation and Attractions.
  6. ↑ "Hypocalymma elongatum". Australian Plant Name Index. Retrieved 24 August 2024.
  7. ↑ "Hypocalymma elongatum". Australian Plant Name Index. Retrieved 24 August 2024.
  8. ↑ Sharr, Francis Aubi; George, Alex (2019). Western Australian Plant Names and Their Meanings (3rd ed.). Kardinya, WA: Four Gables Press. p. 191. ISBN   9780958034180.
This page is based on this Wikipedia article
Text is available under the CC BY-SA 4.0 license; additional terms may apply.
Images, videos and audio are available under their respective licenses.