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Species profile—Acronychia baeuerlenii (Byron Bay acronychia)

Classification

Plantae (plants) → Equisetopsida (land plants) → RutaceaeAcronychia baeuerlenii (Byron Bay acronychia)

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Species details

Kingdom
Plantae (plants)
Class
Equisetopsida (land plants)
Family
Rutaceae
Scientific name
Acronychia baeuerlenii T.G.Hartley
Common name
Byron Bay acronychia
WildNet taxon ID
14137
Alternate name(s)
Byron Bay aspen
Nature Conservation Act 1992 (NCA) status
Least concern
Back on Track (BoT) status
Low
Conservation significant
No
Confidential
No
Endemicity
Native
Pest status
Nil
Description
Acronychia baeuerlenii is a small glabrous tree growing up to 9 m high. The leaves are simple, 6 to 11 cm long and 2 to 4 cm wide. The lamina is narrow-elliptic to broadly oblong-elliptic, with an obtuse to bluntly acuminate apex, and a cuneate to narrowly obtuse base. Oil dots are present on the lamina but they may or may not be sparse. The petiole is 8 to 20 mm long. The inflorescences have few flowers, and are 3 to 6.5 cm long. Sepals are 0.6 to 1 mm long. The petals are 9 to 13 mm long, white or creamy in colour, and glabrous. The fruit may be ovoid in shape, 7 to 9 mm in diameter, glabrous, creamy to light green, and sharply 4-angled when dry. The fruit contain up to two black, ovate, wrinkled seeds about 3 to 5 mm long, which are dry dark brown. Each seed is contained within a mucilaginous envelope (Floyd, 1989; Richards and Harden, 2002).
Acronychia baeuerlenii is most similar to A. oblongifolia. The two species differ in that A. oblongifolia has a downy tip of the ovary, whereas A. baeuerlenii is smooth except for a few hairs at the base of the style (Floyd, 1989).
Distribution
Acronychia baeuerlenii occurs from 24 populations across Queensland (12 populations) and New South Wales (12 populations). The species occurs as far north as Springbrook National Park in Queensland to as far south as Wardell in New South Wales. Other locations in Queensland include Beechmont, Lamington National Park (3 populations), Natural Bridge National Park (1 population), Nanibah Nature Reserve (1 population) and one population near Mt Cougall. In NSW A. baeuerlenii occurs in Toonumbar State Forest, Nightcap National Park, Quandong Falls, Lismore, Wollongbar, Alstonville, Mt Buckombil, Burringbar, Mooball, Mt Warning National Park, Hayters Hill, Byron Bay , Limpinwood Nature Reserve and Iluka (Floyd, 1989; Queensland Herbarium, 2011).
Distributional limits
-28.1400671, 153.0844031
-28.2484006, 153.3427366
Range derivation
Range derived from extent of the taxon's verified records
Habitat
Acronychia baeuerlenii grows in subtropical and warm temperate rainforest on basalt or alluvium up to 800 m in altitude (Floyd, 1989). Associated vegetation includes; very tall woodland of Eucalyptus microcorys -Syncarpia glomulifera -Lophostemon confertus above a simple notophyll mid-high mixed closed forest and warm temperate rainforest under L. confertus (Queensland Herbarium, 2011).
Behaviour
Acronychia baeuerlenii has been documented as a difficult species to germinate, and may possibly regenerate from cuttings (Floyd, 1989).
Reproduction
Acronychia baeuerlenii has been observed flowering November-February (Queensland Herbarium, 2011). Fruit ripen March to May (Floyd, 1988).
Status notes
Acronychia baeuerlenii is listed as Near Threatened under the Queensland Nature Conservation Act 1992
Notes
Occurs in the following Queensland pastoral districts: Moreton. Also occurs in the following regions: New South Wales.
References
Floyd, A.G. (1989). Rainforest Trees of Mainland South-eastern Australia. Inkata Press, Melbourne.
Queensland Herbarium (2011). Specimen label information. Queensland Herbarium. Accessed 21/07/2011.
Richards, P.G. and Harden, G.J. in Harden, G.J. (Ed) (2002). Flora of New South Wales Revised Edition 2: 319.
Ross, E.M. in Stanley, T.D. and Ross, E.M. (1983). Flora of South-eastern Queensland 1: 457.
Profile author
Lynise Wearne (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=14137

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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