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Species profile—Bursaria reevesii

Classification

Plantae (plants) → Equisetopsida (land plants) → PittosporaceaeBursaria reevesii

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Species details

Kingdom
Plantae (plants)
Class
Equisetopsida (land plants)
Family
Pittosporaceae
Scientific name
Bursaria reevesii L.Cayzer, Crisp & I.Telford
WildNet taxon ID
2053
Nature Conservation Act 1992 (NCA) status
Vulnerable
Back on Track (BoT) status
Medium
Conservation significant
Yes
Confidential
No
Endemicity
Native
Pest status
Nil
Short Notes
status annotated by author (Cayzer)
Description
Bursaria reevesii is a multi-stemmed shrub to 3 m tall; the branches are erect or sprawling, sometimes almost procumbent. The seedling leaves are initially alternate for about 10 nodes, then appearing clustered in a funnel shaped arrangement on sturdy, spinescent, short shoots (10 mm long and terete), elliptic, 10 mm by 4-5 mm, petiolate (1 to 2 mm long) with the margins very dentate, and nearly lobed; the apex is acute and toothed; both surfaces glabrescent. The adult leaves becoming alternate, rarely with spinescent shoots, xeromorphic, obovate, 16 to 30 mm long by 5 to 8 mm wide, the petioles are 1 to 3 mm long; the leaf margins are thickened, not recurved; the leaf apex is rounded to acute with a prominent mucro; both leaf surfaces are glabrous. The flowers are cream with the petals 5 to 6mm long, not recurved. The persistent sepals are 1 to 2 mm long with the apices acuminate and the margins sparsely hairy. The fruits are wider than long, 5 to 8 mm by 6 to 9 mm. The seeds are 2 to 3 per loculus, flat with thickened margins and not winged.
Bursaria reevesii is most closely related to B. spinosa subsp. spinosa but the usual adult habit of the latter is a small tree with erect branches 5 to 8 m; the seedling leaf margins are dentate but not approaching lobed; the adult leaves are longer (20 to 43 mm), and essentially sessile; bracts and sepals are small (Cayzer, 1999).
Map
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Distribution
Bursaria reevesii is known only from central Queensland on serpentinite outcrops in the Marlborough district. The species occurs within the Glen Geddes area (north of Rockhampton) There species occurs within Lake Learmouth State Forest (Queensland Herbarium 2012).
Distributional limits
-22.8734271, 149.8393335
-23.0758118, 150.2944146
Range derivation
Range derived from extent of the taxon's verified records
Habitat
Bursaria reevesii grows along drainage lines and creek beds in silty loams derived from ultramafic (serpentine) rocks where typically the Mg/Ca quotient and nickel concentrations are high. In addition, the soils in this region contain a very high iron concentration reflected in the deep red coloration of the soil (Batianoff and Specht 1992; Cayzer, 1999).
Associated species and vegetation include: Eucalyptus fibrosa /Corymbia xanthope open woodland with Acacia leptostachya, Hakea trineura in the mid layer with mid-dense lower mid layer of Xanthorrhoea sp., Leucopogon cuspidatus and hummocks of grasses, and; open eucalypt forest on serpenite ridges, with Corymbia xanthope, Xanthorrhoea johnsonii and Acacia leptostachya (Queensland Herbarium, 2012).
Reproduction
Flowering from January through to May. Fruiting some months later from July onwards (Cayzer, 1999; Queensland Herbarium, 2012).
Threatening processes
Bursaria reevesii is vulnerable due to habitat alteration such as clearing, cattle grazing and dam construction (Batianoff, 1992).
Status notes
Bursaria reevesii is listed as Vulnerable under the Queensland Nature Conservation Act 1992.
Management recommendations
There are no current management recommendations for Bursaria reevesii.
References
Batianoff, G.N. and Specht, R.L. (1992). Queensland (Australia) serpentine vegetation. In The Vegetation of Ultramafic (Serpentine) Soils. (Eds A.J.M. Baker, J. Proctor and R.D. Reeves.) pp. 109-128. (Intercept: Andover, Hampshire.)
Cayzer, L.W., Crisp, M.D. and Telford, I.R.H. (1999). Bursaria (Pittosporaceae): a morphometric analysis and revision. Australian Systematic Botany 12 (1): 139, 140.
Queensland Herbarium (2012). Specimen label information. Queensland Herbarium. Accessed 05/03/2012.
Profile author
Ronald Booth (12/05/2012)

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=2053

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
25 January 2022
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