| Ornduffia umbricola | |
|---|---|
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Menyanthaceae |
| Genus: | Ornduffia |
| Species: | O. umbricola |
| Binomial name | |
| Ornduffia umbricola | |
| Synonyms | |
| |
Ornduffia umbricola, also known as the lax marsh-flower, is a species of plant in the Menyanthaceae family of wetland plants that is endemic to Australia. There are two recognised varieties.
Varieties
- Ornduffia umbricola var. umbricola (Aston) Tippery & Les
- Ornduffia umbricola var. beaugleholei (Aston) Tippery & Les
Description
The species is a slender, tufted, perennial (occasionally annual) herb that grows up to 105 cm in height. The round leaves are 1–12 cm across. The yellow flowers are 11–31 mm in diameter with 4–6 (usually 5) lobes. The seed capsules are 5–11 mm long. The flowers and fruits appear mainly from November to April.[2]
Distribution and habitat
The species occurs in western Victoria, south-eastern South Australia and Tasmania. It is found in semi-shaded sites on damp sandy or peaty soils, or in shallow freshwater wetlands, sometimes in water up to 45 cm deep.[3]
References
- ↑ Tippery, Nicholas P; Les, Donald H (2009). "A New Genus and New Combinations in Australian Villarsia (Menyanthaceae)". Novon: A Journal for Botanical Nomenclature. 19 (3): 404–411. doi:10.3417/2007181. S2CID 83567908.
- ↑ Daniel Ohlsen (2016). "Ornduffia umbricola (Aston) Tippery & Les". VicFlora. Royal Botanic Gardens Foundation, Victoria. Retrieved 28 September 2021.
- ↑ Val Stajsic (2018). "Ornduffia umbricola var. beaugleholei (Aston) Tippery & Les". VicFlora. Royal Botanic Gardens Foundation, Victoria. Retrieved 28 September 2021.
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