Allocasuarina littoralis

Allocasuarina littoralis, commonly known as black sheoak, black she-oak, or river black-oak, is an endemic medium-sized Australian tree (usually up to 8 metres, but sometimes to 15 metres - coarse shrub in exposed maritime areas).[3][4] A. littoralis is named for its growth near the coast; this is somewhat misleading, as it will grow well both inland and in coastal zones.[5][6] Studies have shown that in long-time unburnt coastal woodlands, A. littoralis has replaced the original Eucalyptus-dominated woodland.[7]

Allocasuarina littoralis
Allocasuarina littoralis. By Edward Minchen.
Scientific classification edit
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fagales
Family: Casuarinaceae
Genus: Allocasuarina
Species:
A. littoralis
Binomial name
Allocasuarina littoralis
(Salisb.) L.A.S.Johnson
Occurrence data from AVH
Synonyms
  • Casuarina elegans Gentil[2]
  • Casuarina filiformis Gentil
  • Casuarina leptoclada Miq.
  • Casuarina littoralis Salisb.
  • Casuarina miquelii Hook.f. ex Miq.
  • Casuarina moesta F.Muell. ex Miq.
  • Casuarina ramuliflora Otto & A.Dietr.
  • Casuarina suberosa Otto & A.Dietr.
  • Casuarina suberosa Otto & Dietr.

Description

This evergreen Casaurina tree is noted for its modified branchlets appearing to be leaves (5–8 cm long) and narrow width (no more than 4 mm) and the true leaves are, in fact minute (rarely larger than 1mm) and occur on the tips of the modified branchlets.[8] It is a relatively fast growing tree (up to 800mm. a year) making it very suitable for planting along roadsides. The showy red female flowers appear in spring.[5] It is usually dioecious.

Range

The species occurs in Queensland, New South Wales, Australian Capital Territory, Victoria, and Tasmania.[3] It grows in woodland and sometimes in tall heath, and it grows in sandy and other poor soils.[6]

References
  1. IUCN SSC Global Tree Specialist Group.; Botanic Gardens Conservation International (BGCI). (2020). "Allocasuarina littoralis". IUCN Red List of Threatened Species. 2020: e.T177363529A177369822. doi:10.2305/IUCN.UK.2020-3.RLTS.T177363529A177369822.en. Retrieved 2 July 2022.
  2. Gentil Pl. Cult. Serres Jard. Bot. Brux. 48 1907
  3. "Allocasuarina littoralis (Salisb.) L.A.S.Johnson". Australian Plant Name Index. Australian National Botanic Gardens. Retrieved 2014-03-29.
  4. "Common names for black she-oak (Allocasuarina littoralis)". Encyclopedia of Life. Retrieved 2014-04-05.
  5. "Allocasuarina littoralis". Metrotrees.com. Metropolitan Tree Growers Pty. Ltd. Archived from the original on 2009-09-01. Retrieved 2009-06-17.
  6. "ABRS Flora of Australia Online Search Results: Allocasuarina littoralis (Salisb.) L.A.S.Johnson". Flora of Australia Online. Australian National Botanic Gardens. Retrieved 2014-03-29.
  7. Zeeman, Ben; Lunt, Ian. "Re-introducing fire into a long-unburned coastal woodland: changes in stand structure and composition". Retrieved 31 December 2022.
  8. Flora of Victoria (1999)
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