Trithuria fitzgeraldii
| Trithuria fitzgeraldii | |
|---|---|
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Order: | Nymphaeales |
| Family: | Hydatellaceae |
| Genus: | Trithuria |
| Species: | T. fitzgeraldii
|
| Binomial name | |
| Trithuria fitzgeraldii | |
| |
| Trithuria fitzgeraldii is endemic to Western Australia[1] | |
Trithuria fitzgeraldii is a species of aquatic plant in the family Hydatellaceae endemic to Western Australia.[1]
Description
[edit]Vegetative characteristics
[edit]It is a diminutive, annual, aquatic plant with 12–30 mm long, and 0.15–0.4 mm wide leaves.[2]
Generative characteristics
[edit]It is a monoecious species with shortly stalked or sessile, unisexual reproductive units. The two involucral bracts are 1.3–3.8 mm long, and 0.4–0.7 mm wide. The male reproductive units consist of two bracts, and have 0.8–0.9 mm long anthers. The more numerous female reproductive units, which surround the male ones, has two bracts, and bears carpels with up to 2 mm long stigmatic papillae. The ellipsoidal, indehiscent fruit is 0.31–0.52 mm long, and 0.16–0.32 mm wide.[2]
Distribution
[edit]It is endemic to Western Australia.[1]
Taxonomy
[edit]It was described by Dmitry Dmitrievich Sokoloff, Isabel Marques, Terry Desmond Macfarlane, Paula J. Rudall, and Sean W. Graham in 2019.[2][1] The type specimen was collected by N. Gibson about 4 km North of Waroona in the Australian state of Western Australia on the 5th of November 2004.[3][2][4][5]
Etymology
[edit]The specific epithet fitzgeraldii honours William Vincent Fitzgerald (1867–1929).[2][4]
Conservation
[edit]It is not threatened.[6] It is known from several localities.[2]
Ecology
[edit]It occurs in ephemeral, freshwater to slightly saline pools at the edge of lakes or swamps. The substrate it grows in is clayey sand or clay.[2]
References
[edit]- ^ a b c d e "Trithuria fitzgeraldii D.D.Sokoloff, I.Marques, T.D.Macfarl., Rudall & S.W.Graham". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 7 November 2024.
- ^ a b c d e f g Sokoloff, D. D., Marques, I., Macfarlane, T. D., Remizowa, M. V., Lam, V. K., Pellicer, J., ... & Graham, S. W. (2019). Cryptic species in an ancient flowering‐plant lineage (Hydatellaceae, Nymphaeales) revealed by molecular and micromorphological data. Taxon, 68(1), 1-19.
- ^ Trithuria fitzgeraldii | International Plant Names Index. (n.d.). Retrieved November 7, 2024, from https://www.ipni.org/n/77200441-1
- ^ a b Trithuria fitzgeraldii D.D.Sokoloff, I.Marques, T.D.Macfarl., Rudall & S.W.Graham. (n.d.). The Australian National Species List. Retrieved November 7, 2024, from https://id.biodiversity.org.au/name/apni/51351533
- ^ Holotype of Trithuria fitzgeraldii D.D.Sokoloff, I.Marques, T.Macfarlane, Rudall & S.W.Graham [family HYDATELLACEAE]. (n.d.). JSTOR. Retrieved November 7, 2024, from https://plants.jstor.org/stable/10.5555/al.ap.specimen.perth07514247
- ^ Western Australian Herbarium & Department of Biodiversity, Conservation and Attractions. (n.d.-b). Trithuria fitzgeraldii D.D.Sokoloff, I.Marques, T.Macfarlane, Rudall & S.W.Graham. Florabase—the Western Australian Flora. Retrieved November 7, 2024, from https://florabase.dbca.wa.gov.au/browse/profile/49274