Trithuria fitzgeraldii
{{Short description|Species of aquatic plant}}
{{Speciesbox
|image =
|image_caption =
|genus = Trithuria
|species = fitzgeraldii
|authority = D.D.Sokoloff, I.Marques, T.D.Macfarl., Rudall & S.W.Graham
|synonyms =
|synonyms_ref =
|range_map = Western Australia in Australia.svg
|range_map_caption = Trithuria fitzgeraldii is endemic to Western Australia
}}
Trithuria fitzgeraldii is a species of aquatic plant in the family Hydatellaceae endemic to Western Australia.{{cite POWO |id=77200441-1 |title=Trithuria fitzgeraldii D.D.Sokoloff, I.Marques, T.D.Macfarl., Rudall & S.W.Graham |accessdate=7 November 2024}}
Description
=Vegetative characteristics=
=Generative characteristics=
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.
Distribution
Taxonomy
It was described by Dmitry Dmitrievich Sokoloff, Isabel Marques, Terry Desmond Macfarlane, Paula J. Rudall, and Sean W. Graham in 2019.Sokoloff, D. D., Marques, I., Macfarlane, T. D., Remizowa, M. V., Lam, V. K., Pellicer, J., ... & Graham, S. W. (2019). [https://onlinelibrary.wiley.com/doi/abs/10.1002/tax.12026 Cryptic species in an ancient flowering‐plant lineage (Hydatellaceae, Nymphaeales) revealed by molecular and micromorphological data.] Taxon, 68(1), 1-19. 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.Trithuria fitzgeraldii | International Plant Names Index. (n.d.). Retrieved November 7, 2024, from https://www.ipni.org/n/77200441-1Holotype 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
Etymology
Conservation
It is not threatened.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 It is known from several localities.
Ecology
References
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Category:Plants described in 2019