Calytrix involucrata

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Calytrix involucrata
Calytrix involucrata.jpg
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Myrtales
Family: Myrtaceae
Genus: Calytrix
Species:
C. involucrata
Binomial name
Calytrix involucrata
Synonyms [1]

Calythrix involucrataJ.M.Black orth. var.

Habit in the Gawler Ranges National Park Calytrix involucrata habit.jpg
Habit in the Gawler Ranges National Park

Calytrix involucrata, commonly known as cup fringe-myrtle, [2] is a species of flowering plant in the myrtle family Myrtaceae and is endemic to the south of South Australia. It is a glabrous shrub with linear to elliptic leaves and clusters of white flowers sometimes tinged with pink, with 17 to 25 white stamens in a single row.

Contents

Description

Calytrix involucrata is a glabrous shrub that typically grows to a height of up to 1 m (3 ft 3 in). Its leaves are spreading to erect, linear to elliptic, 1.75–7.5 mm (0.069–0.295 in) long and 0.7–125 mm (0.028–4.921 in) wide on a petiole 0.4–1 mm (0.016–0.039 in) long. There are stipules up to 0.3 mm (0.012 in) long at the base of the petioles. The flowers are borne in tight clusters with egg-shaped bracts up to 10 mm (0.39 in) long and 5.5 mm (0.22 in) wide on a peduncle 5.5–8 mm (0.22–0.31 in) long with elliptic lobes 3–6 mm (0.12–0.24 in) long. The floral tube has 10 ribs and is 8–12 mm (0.31–0.47 in) long. The sepals are joined at the base, broadly egg-shaped with the narrower end towards the base, 1.0–1.75 mm (0.039–0.069 in) long and 1.75–2.5 mm (0.069–0.098 in) wide with awns up to 12 mm (0.47 in) long. The petals are white, sometimes with a pink tinge, egg-shaped to elliptic, 4.5–7 mm (0.18–0.28 in) long and 2.0–3.5 mm (0.079–0.138 in) wide, and there are 17 to 25 white stamens in a single row. Flowering occurs from August to October. [2] [3]

Taxonomy

Calytrix involucrata was first described in 1928 by John McConnell Black in the Transactions and Proceedings of the Royal Society of South Australia . [4] [5] The specific epithet (involucrata) means 'involucrate', or having a ring or rings of bracts around the base of the flowers. [6]

Distribution and habitat

This species of Calytrix grows in mallee scrub on sand, mainly in the Eyre and Yorke Peninsulas of South Australia. [2] [3]

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References

  1. 1 2 "Calytrix involucrata". Australian Plant Census. Retrieved 5 November 2024.
  2. 1 2 3 "Calytrix involucrata". Government of South Australia, Seeds of South Australia. Retrieved 5 November 2024.
  3. 1 2 Craven, Lyndley (1987). "A taxonomic revision of Calytrix Labill. (Myrtaceae)". Brunonia: 33–34.
  4. ↑ "Calytrix involucrata". Australian Plant Name Index. Retrieved 5 November 2024.
  5. ↑ Black, John McConnell (1928). "Additions to the Flora of South Australia. No. 26". Transactions and Proceedings of the Royal Society of South Australia. 26: 225–226. Retrieved 5 November 2024.
  6. ↑ Stearn, William T. (1992). Botanical Latin. Portland Oregon: Timber Press. p. 435.
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