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Species profile—Grevillea hockingsii

Classification

Plantae (plants) → Equisetopsida (land plants) → ProteaceaeGrevillea hockingsii

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Species details

Kingdom
Plantae (plants)
Class
Equisetopsida (land plants)
Family
Proteaceae
Scientific name
Grevillea hockingsii Molyneux & Olde
WildNet taxon ID
7052
Nature Conservation Act 1992 (NCA) status
Vulnerable
Back on Track (BoT) status
Low
Conservation significant
Yes
Confidential
No
Endemicity
Native
Pest status
Nil
Short Notes
status annotated by author
Description
Grevillea hockingsii is a dense, compact, upright shrub, 1.5 to 2.5 m in height. The branchlets are angular and silky. The leaves are 4 to 14 cm long by 4 to 18 mm wide. The sides of the leaves are roughly parallel or are broadest in the centre and taper to each end. The leaf tips are short and soft. The upper leaf surface when young is covered in silky purple-pink hairs which are lost when mature. The lower leaf surface is covered in silvery or light rust coloured silky hairs. The midvein is prominent on the lower leaf surface. The sides of the leaves curve slightly downwards. Flower heads (conflorescence) grow from the axis of the leaves with the stems or can grow directly from the stem in old wood. Conflorescences have 6 to 14 flowers (usually 10) which are arranged on a single stem, like spokes on a wheel. The flowers are a bright pinkish purple and 11 to 15 mm long by 2 to 2.5c m wide. The seeds are 11 to 13mm long, 3 to 4.5 mm wide and 1.5 to 2 mm thick. Seed dispersal is promoted by a triangular, 2 to 3 mm long seed appendage (elaiosome) which ants eat. (Barker, 1996).
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Distribution
Grevillea hockingsii only occurs in Queensland, where it is known from three disjunct areas: Coominglah State Forest west of Monto, Callide Ra. east of Biloela, and Razor Back Ra. Near Mt Morgan. (Queensland Herbarium 2012).
Distributional limits
-23.630365, 150.3560815
-24.9234159, 150.9427426
Range derivation
Range derived from extent of the taxon's verified records
Habitat
Grevillea hockingsii is found on slopes in hilly sandstone country on shallow sandy to sandy loam soils which are light brown to red in colour and occasionally stony or gravelly. It grows in woodland or open forest communities mostly dominated by either Eucalyptus decorticans (gum-topped ironbark) and Corymbia citriodora subsp. variegata (spotted gum), Eucalyptus suffulgens or E. acmenoides (white mahogany). Occasionally it is found on the edge of soaks containing species of Melaleuca (Barker, 1996).
Reproduction
Grevillea hockingsii flowers from April to December. Nectivorous birds, possibly the White-throated Honeyeater, have been observed feeding at the flowers. Regeneration is from seed. (Barker, 1996).
Threatening processes
Possible threatening processes include, disturbance of habitat by timber harvesting, inappropriate fire regimes, destruction of habitat due to clearing for agriculture and mining, and inappropriate grazing regimes (Barker, 1996).
Status notes
Grevillea hockingsii is listed as Vulnerable under the Queensland Nature Conservation Act 1992
Management documents
Barker, M. (1996).Grevillea hockingsii Species Management Profile, Department of Natural Resources, Queensland.
Management recommendations
Management recommendations for the protection of Grevillea hockingsii includes: the establishment of a protective buffer (0.25ha) that excludes clearing with all G. hockingsii at least 25m inside the buffer; where the species occurs the interval between prescribed burns to vary from 10-30 years (based on the minimum age at which the plant sets seeds); and monitor the impact of grazing and adjust grazing management to ameliorate adverse impacts (Barker, 1996).
Notes
Occurs in the following Queensland pastoral districts: Burnett, Port Curtis.
References
Barker, M. (1996).Grevillea hockingsii Species Management Profile, Department of Natural Resources, Queensland.
Makinson R.O. Flora of Australia Volumes 16 (1995). 17A (2000). and 17B (1999). products of ABRS, Commonwealth of Australia.
Queensland Herbarium (2011). Specimen label information. Queensland Herbarium. Accessed 21/07/2011.
Profile author
Ronald Booth (08/03/2012)

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=7052

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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