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Epacris decumbens

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Species of flowering plant

Epacris decumbens
In the Australian National Botanic Gardens
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Ericales
Family: Ericaceae
Genus: Epacris
Species: E. decumbens
Binomial name
Epacris decumbens
(I.Telford) E.A.Br.
Synonyms
  • Rupicola decumbens I.Telford
  • Rupicola sp. 1 (Glen Davis)

Epacris decumbens is a species of flowering plant in the heath family Ericaceae and is endemic to a restricted area of New South Wales. It is a straggling, low-lying shrub with hairy branchlets, elliptic to egg-shaped leaves, and tube-shaped, white flowers.

Description

Epacris decumbens is a straggling, low-lying shrub that typically grows to a height of up to 80 cm (31 in) and has shaggy-hairy stems up to 1 m (3 ft 3 in) long. The leaves are elliptic to egg-shaped, 12–20 mm (0.47–0.79 in) long and 3.8–7.6 mm (0.15–0.30 in) wide on a hairy petiole 1–2 mm (0.039–0.079 in) long. The flowers are 13–17 mm (0.51–0.67 in) in diameter and arranged singly on a peduncle about 3 mm (0.12 in) long, the sepals 5.3–6.1 mm (0.21–0.24 in) long. The petal tube is 1.0–1.3 mm (0.039–0.051 in) long, the lobes 7–8 mm (0.28–0.31 in) long. Flowering occurs in November and December and the fruit is a capsule about 4 mm (0.16 in) in diameter.

Taxonomy

This species was first formally described in 1992 by Ian R.H. Telford who gave it the name Rupicola decumbens in the journal Telopea from specimens he collected with Michael Crisp, near Glen Davis in 1976. In 2015, Elizabeth Anne Brown changed the name to Epacris decumbens in Australian Systematic Botany. The specific epithet (decumbens) means "prostrate but with the tips rising upwards", referring to the habit of the plant.

Distribution and habitat

Epacris decumbens grows on sandstone clifs, ledges and rock crevices in the Glen Davis and Cudgegong River areas of New South Wales.

References

  1. ^ "Epacris decumbens". Australian Plant Census. Retrieved 13 May 2022.
  2. ^ Powell, Jocelyn M. "Epacris decumbens". Royal Botanic Garden Sydney. Retrieved 13 May 2022.
  3. ^ Telford, Ian R.H. (30 September 1992). "Budawangia and Rupicola, new and revised genera of Epacridaceae". Telopea. 5 (1): 237–239. doi:10.7751/telopea19924966.
  4. "Rupicola decumbens". APNI. Retrieved 14 May 2022.
  5. "Epacris decumbens". APNI. Retrieved 14 May 2022.
  6. Sharr, Francis Aubi; George, Alex (2019). Western Australian Plant Names and Their Meanings (3rd ed.). Kardinya, WA: Four Gables Press. p. 179. ISBN 9780958034180.
Taxon identifiers
Epacris crassifolia
Rupicola decumbens
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