Trithuria fitzgeraldii
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| 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]
Vegetative characteristics
It is a diminutive, annual, aquatic plant with 12–30 mm long, and 0.15–0.4 mm wide leaves.[2]
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.[2]
Distribution
It is endemic to Western Australia.[1]
Taxonomy
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
The specific epithet fitzgeraldii honours William Vincent Fitzgerald (1867–1929).[2][4]