Austromuellera trinervia
| Austromuellera trinervia | |
|---|---|
| Scientific classification | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Order: | Proteales |
| Family: | Proteaceae |
| Genus: | Austromuellera |
| Species: | A. trinervia
|
| Binomial name | |
| Austromuellera trinervia | |
Austromuellera trinervia, commonly known as Mueller's silky oak, is a species plant in the macadamia family Proteaceae, endemic to north-eastern Queensland, Australia. It was described in 1930 by Cyril Tenison White, and has been given the conservation status of near threatened by Queensland authorities.
Description
Austromuellera trinervia is a tree reaching up to about 10 m (33 ft) tall. The compound leaves leaves grow to about 50 cm (20 in) in length, with more than six pairs of leaflets. Each of the leaflets measure up to 15 cm (5.9 in) long and 5 cm (2.0 in) wide, and they have three or four longitudinal veins.[4][5]
Numerous honey-coloured flowers are produced on racemes about 30 to 70 cm (12 to 28 in) long, each with tepals measuring 17–25 mm (0.67–0.98 in) long and a style 13–21 mm (0.51–0.83 in) long. The fruit is a flat capsule about 20 cm (7.9 in) long and 6 cm (2.4 in) wide, containing a dozen or more winged seeds up to 16 cm (6.3 in) long.[4][5]
Phenology
Mueller's silky oak flowers between November and January.[4]
Distribution and habitat
This species inhabits rainforest and occurs in two widely separated populations within Queensland's Wet Tropics World Heritage Area. One is in the area from Rossville to the Daintree River, and the other is on the eastern edge of the Atherton Tableland around Boonjee and Butcher's Creek. The altitudinal range is from sea level to about 800 m (2,600 ft).[5][6]
Taxonomy
It was first described by Australian botanist Cyril Tenison White in 1930, based on plant material he collected himself at Boonjee in 1923.[7]
Conservation
The International Union for Conservation of Nature assessed this species in 2019 and gave it the classification of least concern,[8] however, under Queensland's Nature Conservation Act it is considered to be near threatened.[1]
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Foliage and flowers
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Flowers, capsules and seeds
References
- ^ a b "Taxon - Austromuellera trinervia". WildNet. Queensland Government. 2026. Retrieved 15 March 2026.
- ^ "Austromuellera trinervia C.T.White". Australian Plant Name Index (APNI). Centre for Australian National Biodiversity Research, Australian Government. Retrieved 15 March 2026.
- ^ "Austromuellera trinervia C.T.White". Plants of the World Online. Royal Botanic Gardens, Kew. 2026. Retrieved 15 March 2026.
- ^ a b c Hyland, B.P.M. (2022). "Austromuellera trinervia C.T.White". Flora of Australia. Australian Biological Resources Study, Department of Climate Change, Energy, the Environment and Water: Canberra. Retrieved 15 March 2026.
- ^ a b c F.A.Zich; B.P.M.Hyland; T.Whiffen; R.A.Kerrigan (2020). "Austromuellera trinervia". Australian Tropical Rainforest Plants Edition 8 (RFK8). Centre for Australian National Biodiversity Research (CANBR), Australian Government. Retrieved 15 March 2026.
- ^ "Search: species: Austromuellera trinervia | Occurrence records". Australasian Virtual Herbarium. Australian Government. Retrieved 15 March 2026.
- ^ White, C.T. (1930). "A New Genus of Proteaceae from North Queensland". Bulletin of Miscellaneous Information, Royal Botanic Gardens, Kew. 1930 (6): 234–235. doi:10.2307/4111549.
- ^ Forster, P.; Ford, A.; Griffith, S.; Benwell, A. (2020). "Austromuellera trinervia". IUCN Red List of Threatened Species. 2020 e.T112520013A113306416. doi:10.2305/IUCN.UK.2020-2.RLTS.T112520013A113306416.en.
External links
- Map of recorded sightings of this species at the Australasian Virtual Herbarium
- Observations of this species on iNaturalist
- Images of this species on Flickriver.com