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| Knot vine | |
|---|---|
| |
| In flower near Cairns, Queensland | |
| Conservation status | |
| Least Concern (NCA) | |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Celastrales |
| Family: | Celastraceae |
| Genus: | Loeseneriella |
| Species: | L. barbata |
| Binomial name | |
| Loeseneriella barbata (F.Muell.) C.T.White | |
Loeseneriella barbata, commonly known as knot vine, is a climbing plant in the family Celastraceae found in New South Wales and Queensland, Australia. It was first described in 1859 and its tendrils form distinctive "knots" around its supports.
Description
Loeseneriella barbata is a woody vine with a stem diameter up to 4 cm (1.6 in), whose tendrils often form knot-like coils around supports. The leaves are quite stiff and arranged in opposite pairs. They are elliptic, ovate or lanceolate and measure up to 12 cm (4.7 in) long and 6 cm (2.4 in) wide. Flowers are produced in branched cymes and are about 10 mm (0.39 in) wide with 5 or 6 yellow petals. The fruit is a capsule about 5 cm (2.0 in) long and 3 cm (1.2 in) wide containing a number of winged seeds about 3 cm (1.2 in) long.
Taxonomy
This plant was first described as Hippocratea barbata by botanist Ferdinand von Mueller in 1859, and transferred to the genus Loeseneriella in 1944 by Cyril Tenison White. However the latter name is not recognised by any of the relevant Australian authorities, who all still accept Mueller's original botanical name.
Distribution and habitat
The knot vine occurs in two widely separated populations in eastern parts of Queensland and northeastern New South Wales. The northern population is found from the top of Cape York Peninsula south to about Ayr. The southern population begins at Rockhampton, about 530 km (330 mi) south of Ayr, and continues into the far northern corner of New South Wales to about Grafton.
Conservation
This species is listed as least concern under the Queensland Government's Nature Conservation Act. As of 10 December 2024, it has not been assessed by the International Union for Conservation of Nature (IUCN).
Gallery
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Dangling over Freshwater Creek near Cairns
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Two stems with knotted tendrils
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Leaves
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Young tendril
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Flowers
References
- ^ "Species profile—Hippocratea barbata". Queensland Department of Environment and Science. Queensland Government. 2024. Retrieved 10 December 2024.
- ^ "Hippocratea barbata". Australian Plant Name Index (APNI). Centre for Australian National Biodiversity Research, Australian Government. Retrieved 10 December 2024.
- ^ "Loeseneriella barbata (F.Muell.) C.T.White". Plants of the World Online. Royal Botanic Gardens, Kew. 2024. Retrieved 10 December 2024.
- ^ Jessup, L.W. (2022). "Hippocratea barbata". Flora of Australia. Australian Biological Resources Study, Department of Climate Change, Energy, the Environment and Water: Canberra. Retrieved 10 December 2024.
- ^ F.A.Zich; B.P.M.Hyland; T.Whiffen; R.A.Kerrigan (2020). "Hippocratea barbata". Australian Tropical Rainforest Plants Edition 8 (RFK8). Centre for Australian National Biodiversity Research (CANBR), Australian Government. Retrieved 10 December 2024.
- ^ "PlantNET - FloraOnline". PlantNET (The NSW Plant Information Network System). Royal Botanic Gardens and Domain Trust, Sydney. Retrieved 10 December 2024.
- "Hippocratea barbata". International Plant Names Index (IPNI). Royal Botanic Gardens, Kew. 2024. Retrieved 10 December 2024.
- White, C.T. (1944). "Contributions to the Queensland Flora No. 8". Proceedings of the Royal Society of Queensland. 55: 61. Retrieved 10 December 2024.
- "Search: species: Hippocratea barbata | Occurrence records". Australasian Virtual Herbarium. Australian Government. Retrieved 10 December 2024.
External links
- View a map of herbarium collections of this species at the Australasian Virtual Herbarium
- View observations of this species on iNaturalist
- View images of this species on Flickriver.com
| Taxon identifiers | |
|---|---|
| Loeseneriella barbata | |
| Hippocratea barbata | |