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Species profile—Discaria pubescens

Classification

Plantae (plants) → Equisetopsida (land plants) → RhamnaceaeDiscaria pubescens

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Species details

Kingdom
Plantae (plants)
Class
Equisetopsida (land plants)
Family
Rhamnaceae
Scientific name
Discaria pubescens (Brongn.) Druce
WildNet taxon ID
13643
Nature Conservation Act 1992 (NCA) status
Near threatened
Back on Track (BoT) status
Medium
Conservation significant
Yes
Confidential
No
Endemicity
Native
Pest status
Nil
Description
Discaria pubescens is a rigid, often almost leafless shrub, which may grow up to about 2 m high, but is usually considerably lower. The plant is covered with sturdy spines, each 1 to 4 cm long, and are formed in an anchor-like arrangement. The leaves are opposite, oblong to obovate, with the apex retuse, and the base cuneate, up to 1.5 cm long, with the petioles up to 1 mm long. The flowers are solitary or a few together, the calyx is white or cream, and about 2 mm long. They are white and sweet smelling on 1 cm stalks and arise from the base of the spines. The fruits are small 5 to 6 mm diameter, 3-lobed capsules that develop on stalks up to 2 cm long. (Stanley and Ross 1983).
Distribution
The species occurs in southeast Queensland from Jimna, Toowoomba, Warwick and Stanthorpe with a disjunct population adjacent to Carnarvon National Park, central Queensland. It also occurs in New South Wales, Victoria and Tasmania (Queensland Herbarium, 2012).
Distributional limits
-24.8116666, 147.7876666
-28.5817441, 152.417739
Range derivation
Range derived from extent of the taxon's verified records
Habitat
The species grows in woodland and forest on soils derived from granite or traprock, or sometimes on heavy, sometimes rocky, basalt-derived soils in woodland and grassland vegetation (Queensland Herbarium, 2011).
Behaviour
The species flowers in September and October and fruits in November and December (Queensland Herbarium, 2012).
Threatening processes
Primary threats are clearing of vegetation (resulting in fragmentation of habitat) and inappropriate grazing regimes.
Additional threats to the survival of Discaria pubescens may arise from accidental destruction during weed eradication programs due to the spiny nature of the plant resembling some introduced weeds such as African boxthorn Lycium ferocissimum.
Status notes
Discaria pubescens is listed as Near Threatened under the Queensland Nature Conservation Act (1992).
Notes
Occurs in the following Queensland pastoral districts: Darling Downs, Moreton, Warrego. Also occurs in the following regions: New South Wales, Victoria, Tasmania.
References
Harden, G.J. (1990). Flora of New South Wales 1: 373.
Queensland Department of Environment and Resource Management (DERM) (2010). South East Queensland Natural Resource Management Region Back on Track Actions for Biodiversity. Department of Environment and Resource Management, Brisbane.
Queensland Herbarium (2011). Specimen label information. Queensland Herbarium. Accessed 29/02/2012.
Stanley, T.D. and Ross, E.M. (1989). Flora of South-eastern Queensland 3: 258.
Profile author
Ronald Booth (29/02/2012)

Other resources

The Australasian Virtual Herbarium (AVH)
Atlas of Living Australia

Data source

This profile data is sourced from the QLD Wildlife Data API using the Get species by ID function used under CC-By 4.0
https://apps.des.qld.gov.au/species/?op=getspeciesbyid&taxonid=13643

This information is sourced from the WildNet database managed by the Queensland Department of Environment and Science.

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Licence
Creative Commons Attribution 4.0 International (CC BY 4.0)
Last updated
7 September 2021
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