Callitris oblonga

Callitris oblonga
Conservation status
Vulnerable  (IUCN 3.1)[1]
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Gymnospermae
Division:	Pinophyta
Class:	Pinopsida
Order:	Cupressales
Family:	Cupressaceae
Genus:	Callitris
Species:	C. oblonga
Binomial name
Callitris oblonga A. Rich. & Rich.
Subspecies
C. o. subsp. oblonga C. o. subsp. corangensis K.D. Hill C. o. subsp. parva K.D. Hill

Callitris oblonga, also known as the South Esk pine,[2] pygmy cypress pine,[3] pigmy cypress pine, river pine, or Tasmanian cypress pine,[4] is a species of conifer in the family Cupressaceae. It is endemic to Australia, where it is native to New South Wales and Tasmania,[5] with one subspecies introduced in Victoria.[6] It is considered vulnerable and faces a number of threats including land clearing, habitat degradation, and damage from or competition with invasive species.[7]

Taxonomy

There are three subspecies currently recognised:[7]

• C. o. oblonga – northeast Tasmania,[7] introduced in Victoria[6]
• C. o. corangensis (K.D. Hill) – New England Tablelands in northern New South Wales[7]
• C. o. parva (K.D. Hill) – Corang River catchment in southern New South Wales[7]

Description

Callitris oblonga is an evergreen shrub or small tree growing to 5 meters tall with leaves measuring 4-5 millimeters long.[8] This species is monoecious. The female cones are egg shaped, measuring 12-15 millimeters in diameter, sessile or borne on short fruiting branchlets, and may occur singly or in clusters.[5]

References

1. Thomas, P. (2013). "Callitris oblonga". IUCN Red List of Threatened Species. 2013: e.T30542A2794516. doi:10.2305/IUCN.UK.2013-1.RLTS.T30542A2794516.en.
2. Wapstra, Hans; Wapstra, Annie; Wapstra, Mark; Gilfedder, Louise. "The Little Book of Common Names for Tasmanian Plants" (PDF). Department of Primary Industries, Parks, Water and Environment. Retrieved 24 December 2017.
3. "Pygmy Cypress Pine – profile". NSW Department of Planning and Environment. Retrieved 3 December 2022.
4. Eckenwalder, J.E. 2009. Conifers of the World: The Complete Reference. Timber Press
5. "Callitris oblonga (pigmy cypress-pine)". The Gymnosperm Database. Retrieved 3 December 2022.
6. "Callitris oblonga subsp. oblonga". VicFlora. Royal Botanic Gardens Victoria. Retrieved 3 December 2022.
7. Thomas, P (2013). "Callitris oblonga". IUCN Red List of Threatened Species. doi:10.2305/IUCN.UK.2013-1.RLTS.T30542A2794516.en. Retrieved 3 December 2022.
8. "Callitris oblonga". New South Wales Flora Online. Retrieved 3 December 2022.