Micromyrtus chrysodema


Micromyrtus chrysodema is a species of flowering plant in the myrtle family, Myrtaceae and is endemic to a small area of inland Western Australia. It is a densely branched shrub with small, narrowly oblong leaves and small white flowers.

Micromyrtus chrysodema

Priority One — Poorly Known Taxa (DEC)
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Myrtales
Family: Myrtaceae
Genus: Micromyrtus
Species:
M. chrysodema
Binomial name
Micromyrtus chrysodema

Description

Micromyrtus chrysodema is a densely branched shrub with narrowly oblong to egg-shaped leaves with the narrower end towards the base, about 1.6 mm (0.063 in) long and 0.6 mm (0.024 in) wide on a petiole 0.2–0.3 mm (0.0079–0.0118 in) long, with four to eight glands on each side of the mid-vein. The flowers are about 3.5–4.0 mm (0.14–0.16 in) in diameter, and arranged in up to four upper leaf axils on a peduncle 1.2–1.6 mm (0.047–0.063 in) long with narrowly egg-shaped bracteoles about 1.3 mm (0.051 in) long at the base. The sepals are egg-shaped, about 0.35 mm (0.014 in) long and the petals are white, round to egg-shaped and about 1.5 mm (0.059 in) long. There are five stamens, the filaments about 0.4 mm (0.016 in) long.[2]

Taxonomy

Micromyrtus chrysodema was first formally described in 2006 by Barbara Lynette Rye in the journal Nuytsia from specimens collected near Leinster in 2004.[3] The specific epithet (chrysodema) means "gold district", referring to the distribution of this species in the Western Australian Goldfields.[2]

Distribution and habitat

This species of micromyrtus grows in scrubland with mulga and Triodia in the Leinster district of the Murchison bioregion of inland Western Australia.[2][4]

Conservation status

Micromyrtus chrysodema is classified as "Priority One" by the Government of Western Australia Department of Parks and Wildlife[4] meaning that it is known from only one or a few locations that are potentially at risk.[5]

References

  1. "Micromyrtus chrysodema". Australian Plant Census. Retrieved 20 September 2023.
  2. Rye, Barbara L. (2006). "A partial revision of the south-western Australian species of Micromyrtus (Myrtaceae: Chamelaucieae)". Nuytsia. 16 (1): 127–128. Retrieved 20 September 2023.
  3. "Micromyrtus chrysodema". APNI. Retrieved 20 September 2023.
  4. "Micromyrtus chrysodema". FloraBase. Western Australian Government Department of Biodiversity, Conservation and Attractions.
  5. "Conservation codes for Western Australian Flora and Fauna" (PDF). Government of Western Australia Department of Parks and Wildlife. Retrieved 30 August 2023.
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