Macadamia ternifolia

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Macadamia ternifolia
Capture Macadamia ternifolia.png
Artist L. Becker
Conservation status

Endangered (IUCN 3.1)[1]
Scientific classification edit
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Proteales
Family: Proteaceae
Genus: Macadamia
Species:
M. ternifolia
Binomial name
Macadamia ternifolia
F.Muell.[2][3][4]
Synonyms[4]

Helicia ternifolia F.Muell.
Macadamia ternifolia F.Muell. var. ternifolia
Macadamia ternifolia var. typica Domin nom. inval.
Macadamia minor F.M.Bailey
Macadamia lowii F.M.Bailey

Macadamia ternifolia (common names: small-fruited Queensland nut, gympie nut)[5] is a tree in the flowering plant family Proteaceae, native to Queensland in Australia,[2][3] and is listed as vulnerable under the EPBC Act.[5]

Macadamia ternifolia is a small multi-stemmed tree which grows up to 8 m tall. The narrowly ovate adult leaves are in whorls of three on a stalk which is 4–10 mm long.[3] Each leaf is 9–12.5 cm long, 2–3.5 cm wide and is dull above and paler below.[3] They are stiff, smooth and leathery, with slightly undulating margins and points at the tip.[3] The midrib is prominent below, and slightly sunken above.[3] Conflorescence is simple on a stem 5–18 cm long, with pink tepals 6–8.5 mm long, and filaments 4–7 mm long which are joined to thetepals for 0.5–6 mm and anthers 1–2 mm long.[3] The ovaries 0.4–1 mm long and the style 5–10 mm long, and give rise to fruit which is 14–22 mm long and 13–22 mm wide.[3] The seeds are globose to broadly ovoid and about 16 mm long and 12 mm wide and have a smooth shell about 1 mm thick.[3]

See also[]

  • Macadamia nuts

References[]

  1. ^ Forster, P.; Ford, A.; Griffith, S.; Benwell, A. (2020). "Macadamia ternifolia". IUCN Red List of Threatened Species. 2020: e.T113180135A113310170. doi:10.2305/IUCN.UK.2020-2.RLTS.T113180135A113310170.en. Retrieved 18 November 2021.
  2. ^ a b "Macadamia ternifolia". Australian Plant Name Index (APNI), IBIS database. Centre for Plant Biodiversity Research, Australian Government.
  3. ^ a b c d e f g h i Gross, C.L. (1995) Flora of Australia online: Macadamia ternifolia. Data derived from Flora of Australia Volumes 16 (1995), 17A (2000) and 17B (1999), products of ABRS, ©Commonwealth of Australia
  4. ^ a b von Mueller, F.J.H. (1857) Account of some new Australian plants. Transactions of the Philosophical Institute of Victoria 2: 72
  5. ^ a b SPRAT: Macadamia ternifolia. Species Profile and Threats Database. Australian Government: Department of the Environment and Energy. Retrieved 22 October 2018.

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