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Species profile—Corynocarpus rupestris subsp. arborescens (southern corynocarpus)

Classification

Plantae (plants) → Equisetopsida (land plants) → CorynocarpaceaeCorynocarpus rupestris subsp. arborescens (southern corynocarpus)

Photo of Corynocarpus rupestris subsp. arborescens (southern corynocarpus) - Guymer, G.,Queensland Herbarium, DES
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Species details

Kingdom
Plantae (plants)
Class
Equisetopsida (land plants)
Family
Corynocarpaceae
Scientific name
Corynocarpus rupestris subsp. arborescens Guymer
Common name
southern corynocarpus
WildNet taxon ID
9895
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
BRI 332451 (Holotype), 332452 (Isotype), status annotated by author
Description
Corynocarpus rupestris subsp. arborescens is a tall shrub or small tree growing to 12 m. The leaves are glossy, leathery, and 9 to 14 cm long by 4 to 6 cm wide, with entire margins, but can be spiny in the juveniles. The base is decurrent, there are 8 to 11 pairs of lateral veins. The inflorescence is 4 to 5 cm long, the flowers are on pedicels that are 3 to 5 mm long. The sepals are ovate, 3 to 4 mm long. The petals are oblong-spathulate, minutely fimbriate at the apex, 3 to 3.5 mm long and are white in colour. The staminodes are oblong, denticulate at the apex, 2 to 2.5 mm long by about 1 mm wide (Guymer, 1984). The fruit is red and is 1 cm in diameter with a point at one end (Harden, 2008).
Corynocarpus rupestris subsp. arborescens differs from Corynocarpus rupestris subsp. rupestris by the shorter inflorescence 4 to 5 cm long (versus 10 to 21 cm long), longer sepals, (3 to 4 mm long (versus 2 to 2.2 mm long), and the longer petals 3 to 3.5 mm long (versus 2.4 to 2.8 mm long) (Guymer, 1984).
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Distribution
Corynocarpus rupestris subsp. arborescens has been recorded from Deep Creek, 10 km north of Coalstoun Lakes; Kin Kin area; near Cooran (Sunshine Coast); Mount Stradbroke; Mount French; and in and around Natural Bridge National Park. The species has been recorded from Lamington National Park, Mount Walsh National Park, Springbrook National Park, Triunia National Park and Upper Mooloolah Nature Reserve (Queensland Herbarium, 2012).
Distributional limits
-25.4746951, 151.9052795
-28.2234006, 153.2427366
Range derivation
Range derived from extent of the taxon's verified records
Habitat
Corynocarpus rupestris subsp. arborescens is found in Araucarian notophyll vineforest often on red basaltic slopes (Queensland Herbarium, 2012).
Reproduction
Flowering of Corynocarpus rupestris subsp. arborescens has been recorded from October to November and fruiting in January (Queensland Herbarium, 2012).
Threatening processes
Identified threats to Corynocarpus rupestris subsp. arborescens include clearing of vegetation (resulting in habitat fragmentation of habitat), weeds (lantana and green panic) and inappropriate grazing regimes (DERM, 2010a; DERM, 2010b).
Status notes
Corynocarpus rupestris subsp. arborescens is listed as Vulnerable under the Queensland Nature Conservation Act 1992.
Management documents
Department of Environment and Resource Management (DERM) (2010a), Burnett Mary Natural Resource Management Region Back on Track Actions for Biodiversity, Department of Environment and Resource Management, Brisbane.
Department of Environment and Resource Management (DERM) (2010b), South East Queensland Natural Resource Management Region Back on Track Actions for Biodiversity, Department of Environment and Resource Management, Brisbane.
Management recommendations
Management recommendations are outlined in DERM (2010a) and DERM (2010b).
Notes
Occurs in the following Queensland pastoral districts: Moreton, Wide Bay.
References
Guymer, G.P. (1984). Flora of Australia 22: 215, 223.
Harden, G.J. (Ed.) (2002). Flora of New South Wales, Volume Three, University of NSW Press, Kensington, NSW.
Queensland Department of Environment and Resource Management (DERM) (2010a). Burnett Mary Natural Resource Management Region Back on Track Actions for Biodiversity. Department of Environment and Resource Management, Brisbane.
Queensland Department of Environment and Resource Management (DERM) (2010b). South East Queensland Natural Resource Management Region Back on Track Actions for Biodiversity. Department of Environment and Resource Management, Brisbane.
Queensland Herbarium (2012). Specimen label information. Queensland Herbarium. Accessed 19/01/2012.
Profile author
Ronald Booth (22/06/2012)

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=9895

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
23 October 2019
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