Thysanotus triandrus
| Thysanotus triandrus | |
|---|---|
 | |
| Near Lake Gnangara | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Embryophytes |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Monocots |
| Order: | Asparagales |
| Family: | Asparagaceae |
| Subfamily: | Lomandroideae |
| Genus: | Thysanotus |
| Species: | T. triandrus |
| Binomial name | |
| Thysanotus triandrus | |
| Synonyms[1] | |
|
List
| |
Thysanotus triandrus, commonly known as three-stamened fringe lily is a species of flowering plant in the Asparagaceae family, and is endemic to the south-west of Western Australia. It is a tufted perennial herb with a small rootstock, fibrous roots, narrowly lance-shaped to more or less linear, perennial leaves and an umbels of four to fifty purple flowers with lance-shaped sepals, elliptic fringed petals and three stamens with equal anthers.
Description
Thysanotus triandrus is a tufted perennial herb with a small rootstock and fibrous roots. It has about 5 to 42 narrowly lance-shaped to more or less linear and flat or channelled leaves that are more or less terete on the upper surface and ridged below, 50–430 mm (2.0–16.9 in) long and 1.5–3 mm (0.059–0.118 in) wide. The flowers are borne in an umbel with four to fifty flowers, each on a pedicel 5–35 mm (0.20–1.38 in) long. The perianth segments are 9–15 mm (0.35–0.59 in) long, the sepals lance-shaped, about 3 mm (0.12 in) wide, and the petals elliptic, 6–7 mm (0.24–0.28 in) wide, with a fringe about 3 mm (0.12 in) long. There are three stamens, the anthers about 5 mm (0.20 in) long, slightly curved and twisted, the style curved, about 6 mm (0.24 in) long. Flowering occurs from September to December, and the seeds are cylindrical about 2 mm (0.079 in) long and 1 mm (0.039 in) in diameter with a stalked, yellow aril.[2][3]
Taxonomy
This species was first formally described in 1810 by Jacques Labillardière who gave it the name Ornithogalum triandrum in his Novae Hollandiae Plantarum Specimen.[4][5] In the same year, Robert Brown transferred the species to Thysanotus as T. triandrus. The specific epithet (triandrus) means 'three-stamens'.[6]
Distribution and habitat
Thysanotus triandrus grows in low Banksia forest on inland sandplain vegetation in deep white sand, sometimes with Eucalyptus staeri in dark, humus-rich sand. It occurs from Cockleshell Gully to Esperance and Israelite Bay, in the Avon Wheatbelt, Esperance Plains, Geraldton Sandplains, Jarrah Forest, Mallee, Swan Coastal Plain and Warren bioregions of south-western Western Australia.[2][3]
Conservation status
Thysanotus teretifolius is listed as "not threatened" by the Western Australian Government Department of Biodiversity, Conservation and Attractions.[3]
References
- 1 2 "Thysanotus triandrus". Australian Plant Census. Retrieved 9 June 2026.
- 1 2 Brittan, Norman H. "Thysanotus triandrus". Flora of Australia. Australian Biological Resources Study, Department of Climate Change, Energy, the Environment and Water: Canberra. Retrieved 9 June 2026.
- 1 2 3 "Thysanotus triandrus". FloraBase. Western Australian Government Department of Biodiversity, Conservation and Attractions.
- ↑ "Thysanotus triandra". Australian Plant Name Index. Retrieved 9 June 2026.
- ↑ Labillardière, Jacques (1805). Novæ Hollandiæ plantarum specimen. Paris: Ex typographia Dominæ Huzard. Retrieved 9 June 2026.
- ↑ George, Alex S.; Sharr, Francis A. (2023). Western Australian Plant Names and Their Meanings - A Glossary (fifth ed.). Kardinya: Four Gables Press. p. 338. ISBN 9780645629538.