Angophora robur

Source: Wikipedia, the free encyclopedia.

Sandstone rough-barked apple
Near Glenreagh
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Myrtales
Family: Myrtaceae
Genus: Angophora
Species:
A. robur
Binomial name
Angophora robur
Occurrence data from AVH
Synonyms[1]

Eucalyptus robur (L.A.S.Johnson & K.D.Hill) Brooker

Angophora robur, commonly known as the sandstone rough-barked apple or the broad-leaved sandstone apple,[2] is a species of small tree that is endemic to a small area in New South Wales. It has rough, fibrous bark on the trunk and branches, lance-shaped to egg-shaped or oblong adult leaves, flower buds in groups of three or seven, white or creamy white flowers and cup-shaped to bell-shaped fruit.

Description

Angophora robur is a tree that typically grows to a height of 10 m (33 ft) and forms a

capsule 12–17 mm (0.5–0.7 in) long, 12–16 mm (0.5–0.6 in) wide and longitudinally ribbed with the valves enclosed in the fruit.[2][3][4][5]

Taxonomy and naming

Angophora robur was first formally described in 1990 by Lawrie Johnson and Ken Hill in the journal Telopea from specimens they collected near Kremnos Creek on the Glenreagh - Grafton Road in 1984.[5][6] Genetic analysis shows it to be closely related to smudgee (Angophora woodsiana).[7]

Distribution and habitat

Sandstone rough-barked apple has a limited distribution near the coast of northern

Coffs Harbour to Coaldale north-west of Grafton. It grows in woodland on shallow sandstone soils.[2][4]

Conservation status

This eucalypt is listed as "vulnerable" under the Australian Government Environment Protection and Biodiversity Conservation Act 1999 and the New South Wales Government Threatened Species Conservation Act 1995. The main threats to the species are clearing for agriculture, too-frequent fires, widening of roads and timber harvesting.[8][9]

References

  1. ^ a b "Angophora robur". Australian Plant Census. Retrieved 10 March 2020.
  2. ^ a b c "Angophora robur — Sandstone Rough-barked Apple". Species Profile and Threats Database. Department of the Environment. 2016. Retrieved 29 November 2016.
  3. ^ "Angophora robur L.A.S.Johnson & K.D.Hill". PlantNET. Royal Botanic Garden, Sydney. Retrieved 27 November 2016.
  4. ^ a b "Angophora robur". Euclid: Centre for Australian National Biodiversity Research. Retrieved 5 June 2020.
  5. ^
    doi:10.7751/telopea19904916
    .
  6. ^ "Angophora robur". APNI. Retrieved 10 March 2020.
  7. doi:10.1111/evo.14140
    .
  8. ^ "Sandstone Rough-barked Apple - profile". New South Wales Government Office of Environment and Heritage. Retrieved 10 March 2020.
  9. ^ "Approved Conservation Advice for Angophora robur" (PDF). Australian Government Department of the Environment. Retrieved 10 March 2020.
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