Acacia anastema
| Sandridge gidgee | |
|---|---|
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Fabales |
| Family: | Fabaceae |
| Subfamily: | Caesalpinioideae |
| Clade: | Mimosoid clade |
| Genus: | Acacia |
| Species: | A. anastema
|
| Binomial name | |
| Acacia anastema | |
| Synonyms[1] | |
|
Racosperma anastema (Maslin) Pedley | |
Acacia anastema, commonly known as sandridge gidgee[2] or sandplain gidgee,[3] is a species of flowering plant in the family Fabaceae and is endemic to a fairly small area of semi-arid land east of Carnarvon. It is a tree with linear phyllodes, spikes of golden yellow flowers, and pods up to 140 mm (5.5 in) long.
Description
[edit]Acacia anastema is a tree that typically grows to a height of up to 6 m (20 ft) with more or less sticky branches and up to 3 trunks. Its phyllodes are linear, flat and curved, 110–320 mm (4.3–12.6 in) long, 2–6 mm (0.079–0.236 in) wide and leathery. The flowers are borne in a spike 20–40 mm (0.79–1.57 in) long and 6–8 mm (0.24–0.31 in) wide, in the axils on a peduncle 10–20 mm (0.39–0.79 in) long, each spike with densely crowded golden yellow flowers. Flowering occurs from July to September and the fruit is a linear-cylindrical pod up to 140 mm (5.5 in) long and 2–3 mm (0.079–0.118 in) wide containing seeds 5.0–5.5 mm (0.20–0.22 in) long.[2][4][5]
Taxonomy
[edit]Acacia anastema was first formally described in 1983 by Bruce Maslin in the journal Nuytsia from specimens he collected on the road to Towrana station in 1981.[5][6] The specific epithet (anastema) means 'upwards thread',[7] and refers to the tall growth habit of the species.[5]
Distribution and habitat
[edit]This species of Acacia grows on sand dunes and sand ridges between Woodleigh station and Ellavalla Station in the Carnarvon bioregion in Northern Western Australia.[2][3][4]
See also
[edit]References
[edit]- ^ a b "Acacia anastema". Australian Plant Census. Retrieved 28 July 2024.
- ^ a b c Tindale, Mary D.; Kodela, Phillip G. "Acacia anastema". Flora of Australia. Australian Biological Resources Study, Department of Climate Change, Energy, the Environment and Water: Canberra. Retrieved 28 July 2024.
- ^ a b "Acacia anastema". FloraBase. Western Australian Government Department of Biodiversity, Conservation and Attractions.
- ^ a b "Acacia anastema". World Wide Wattle. Retrieved 28 July 2024.
- ^ a b c Maslin, Bruce R. (1983). "Studies in the genus Acacia (Leguminosae: Mimosoideae) - 14. New taxa from north-west Western Australia". Nuytsia. 4 (3): 383–386. doi:10.58828/nuy00084. Retrieved 28 July 2024.
- ^ "Acacia anastema". Australian Plant Name Index. Retrieved 28 July 2024.
- ^ George, Alex; Sharr, Francis (2021). Western Australian Plant Names and Their Meanings (4th ed.). Kardinya, WA: Four Gables Press. p. 237. ISBN 9780958034180.