Thryptomene calcicola

Thryptomene calcicola is a species of flowering plant in the family Myrtaceae and is endemic to a small area in the north-west of Western Australia. It is an erect, sometimes spreading shrub with upwards-pointing linear leaves, and pinkish-mauve flowers with five petals and ten stamens.

Thryptomene calcicola

Priority Two — Poorly Known Taxa (DEC)
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Myrtales
Family: Myrtaceae
Genus: Thryptomene
Species:
T. calcicola
Binomial name
Thryptomene calcicola

Description

Thryptomene calcicola is an erect, sometimes spreading shrub that typically grows to a height of 0.3–1.8 m (1 ft 0 in – 5 ft 11 in). Its leaves are directed upwards, linear, 5–9 mm (0.20–0.35 in) long and 0.4–0.8 mm (0.016–0.031 in) wide on a petiole 0.1–0.4 mm (0.0039–0.0157 in) long. The flowers are arranged raceme-like in groups of four to fifteen on a peduncle 0.6–1 mm (0.024–0.039 in) long with egg-shaped bracteoles 2.2–3 mm (0.087–0.118 in) long and that remain until the fruit is shed. The flowers are 7–8 mm (0.28–0.31 in) in diameter with glossy, egg-shaped sepals 1.0–1.2 mm (0.039–0.047 in) long. The petals are pinkish-mauve, 2.5–3 mm (0.098–0.118 in) long and there are usually ten stamens. Flowering occurs from June to late October.[2]

Taxonomy

Thryptomene calcicola was first formally described in 2014 by Barbara Lynette Rye in the journal Nuytsia from specimens collected by Malcolm Eric Trudgen in Kalbarri National Park in 2002.[2][3] The specific epithet (calcicola) means "lime-inhabitant", referring to the limestone habitat of this species.[2]

Distribution and habitat

This thryptomene only occurs in a small area of Kalbarri National Park where it grows in Acacia shrubland.[2][4]

Conservation status

Thryptomene calcicola is classified as "Priority Two" by the Western Australian Government Department of Parks and Wildlife,[4] meaning that it is poorly known and from only one or a few locations.[5]

References

  1. "Thryptomene calcicola". Australian Plant Census. Retrieved 25 April 2021.
  2. Rye, Barbara L.; Trudgen, Malcolm E. (2014). "An update to the taxonomy of some Western Australian genera of Myrtaceae tribe Chamelaucieae. 3. Thryptomene" (PDF). Nuytsia. 24: 280–281. Retrieved 25 April 2021.
  3. "Thryptomene calcicola". APNI. Retrieved 25 April 2021.
  4. "Thryptomene calcicola". 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 25 April 2021.
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