Micromyrtus uniovulum

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Micromyrtus uniovulum
Status DECF P2.svg
Priority Two — Poorly Known Taxa (DEC)
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Myrtales
Family: Myrtaceae
Genus: Micromyrtus
Species:
M. uniovulum
Binomial name
Micromyrtus uniovulum

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.

Contents

Description

Micromyrtus uniovulum is a low, spreading, sometimes erect shrub that typically grows to a height of up to 40 cm (16 in). Its leaves are narrowly to broadly oblong, 1.5–4.5 mm (0.059–0.177 in) long and 1–2 mm (0.039–0.079 in) wide on a petiole 0.3–0.5 mm (0.012–0.020 in) long usually with 5 to 8 oil glands on each side of the midvein. The flowers are arranged in racemes up to 30 upper leaf axils and are about 3 mm (0.12 in) in diameter on a peduncle 0.5–0.7 mm (0.020–0.028 in) long. The floral tube is 2.0–2.3 mm (0.079–0.091 in) long with 5 ribs. The sepals are 0.3–0.4 mm (0.012–0.016 in) long and 0.5–0.6 mm (0.020–0.024 in) wide. The petals are white, widely spreading and egg-shaped, and there are 10 stamens. Flowering occurs from September to December and the fruit is about 1.8 mm (0.071 in) long . [2]

Taxonomy

Micromyrtus uniovulum was first formally described in 2002 by Barbara Lynette Rye in the journal Nuytsia from specimens collected near Bunny Road in 1999. [2] [3] The specific epithet (uniovulum) means "one egg" and refers to the species having only one ovule in the ovary. [2]

Distribution and habitat

This species is found on the lateritic rises in a mall area west of Three Springs in the Avon Wheatbelt and Geraldton Sandplains bioregions of south-western Western Australia. [2] [4]

Conservation status

Micromyrtus uniovulum is listed as "Priority Two" [4] meaning that it is poorly known and known from only a few locations but is not under imminent threat. [5]

Related Research Articles

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.

Micromyrtus arenicola is a species of flowering plant in the myrtle family, Myrtaceae and is endemic to a small area in the southwest of Western Australia. It is an erect shrub with small, linear to narrowly egg-shaped leaves and small white flowers.

<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.

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

Micromyrtus elobata is a species of flowering plant in the myrtle family, Myrtaceae and is endemic to the south of Western Australia. It is usually an erect shrub with small, narrowly to broadly egg-shaped leaves with the narrower end towards the base, and white flowers 3–5 mm (0.12–0.20 in) in diameter.

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

Micromyrtus erichsenii is a species of the family Myrtaceae and is endemic to Western Australia. It is an erect shrub with small, egg-shaped leaves with the narrower end towards the base, and white or cream-coloured flowers 3–4 mm (0.12–0.16 in) in diameter and 5 to 10 stamens.

Micromyrtus imbricata is a species of the family Myrtaceae and is endemic to the south of Western Australia. It is a slender, erect shrub with broadly egg-shaped leaves, white, pink or red-tinged flowers 4–5 mm (0.16–0.20 in) in diameter, and 10 stamens.

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

Micromyrtus monotaxis species of the family Myrtaceae and is endemic to the Western Australia. It is an erect shrub with egg-shaped leaves with the narrower end toward the base, white flowers 4.5–6.0 mm (0.18–0.24 in) in diameter, and 10 stamens.

Micromyrtus mucronulata species of the family Myrtaceae and is endemic to the Western Australia. It is a shrub with linear to narrowly egg-shaped leaves with the narrower end toward the base, and white flowers 3.0–3.5 mm (0.12–0.14 in) in diameter.

Micromyrtus navicularis is a species of flowering plant in the myrtle family, Myrtaceae and is endemic to a small area in the south of Western Australia. It is an erect shrub with narrowly egg-shaped leaves, and small white flowers in upper leaf axils with 10 stamens in each flower.

Micromyrtus ninghanensis is a species of the flowering plant in the family Myrtaceae and is endemic to the south-west of Western Australia. It is a low, spreading shrub with egg-shaped leaves with the narrower end toward the base, white flowers 3.0–3.5 mm (0.12–0.14 in) in diameter, and 10 stamens in each flower.

Micromyrtus obovata is a species of the flowering plant in the family Myrtaceae and is endemic to the south-west of Western Australia. It is an erect shrub with egg-shaped leaves with the narrower end toward the base, white flowers 4–5 mm (0.16–0.20 in) in diameter, and 10 stamens in each flower.

Micromyrtus papillosa is a species of flowering plant in the family Myrtaceae and is endemic to the south-west of Western Australia. It is sometimes an erect or low, otherwise spreading shrub with egg-shaped leaves with the narrower end towards the base, and white flowers with 5 stamens.

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.

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

Micromyrtus racemosa is species of the flowering plant in the family Myrtaceae and is endemic to the south-west of Western Australia. It is a shrub with relatively thick, narrowly egg-shaped leaves, sometimes with the narrower end toward the base, and white, cream-coloured or yellow flowers 2.5–4.0 mm (0.098–0.157 in) in diameter.

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

Micromyrtus redita is species of the flowering plant in the family Myrtaceae and is endemic to the south-west of Western Australia. It is a densely branched shrub with narrowly oblong to elliptic leaves, reddish sepals and white or pink petals.

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 stenocalyx is a species of flowering plant in the family Myrtaceae and is endemic to the inland of Western Australia. It is a straggly or widely spreading shrub with oblong or club-shaped leaves pressed against the stem, and cream-coloured to yellow flowers with 10 stamens.

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


Micromyrtus sulphurea is a species of flowering plant in the family Myrtaceae and is endemic to the inland of Western Australia. It is a commonly stunted or widely spreading shrub with narrowly oblong leaves pressed against the stem, and yellow flowers with 10 stamens.

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

Micromyrtus triptycha is a species of flowering plant in the family Myrtaceae and is endemic to the south-west of Western Australia. It is an erect, open shrub with narrowly egg-shaped leaves with the narrower end towards the base, and yellow, white or cream-coloured 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.

References

  1. ↑ "Micromyrtus uniovulum". Australian Plant Census. Retrieved 28 March 2024.
  2. 1 2 3 4 Rye, Barbara L. (2002). "A revision of south-western Australian species of Micromyrtus (Myrtaceae) with five antisepalous ribs on the hypanthium". Nuytsia. 15: 118–119. Retrieved 23 March 2024.
  3. ↑ "Micromyrtus uniovulum". APNI. Retrieved 28 March 2024.
  4. 1 2 "Micromyrtus uniovulum". FloraBase . Western Australian Government Department of Biodiversity, Conservation and Attractions.
  5. ↑ "Conservation codes for Western Australian Flora and Fauna" (PDF). Government of Western Australia Biodiversity, Conservation and Attractions. Retrieved 28 March 2024.
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