| Nymphaea jacobsii | |
|---|---|
| Conservation status | |
| Special Least Concern (NCA) | |
Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Order: | Nymphaeales |
| Family: | Nymphaeaceae |
| Genus: | Nymphaea |
| Subgenus: | Nymphaea subg. Anecphya |
| Species: | N. jacobsii |
| Binomial name | |
| Nymphaea jacobsii Hellq. | |
| Subspecies | |
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_(W3).svg)
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| Nymphaea jacobsii is endemic to Queensland, Australia | |
Nymphaea jacobsii is a species of waterlily endemic to Queensland, Australia.
Description
Vegetative characteristics
Nymphaea jacobsii is an annual or perennial aquatic plant with elongate to globose rhizomes. The broadly elliptic, 40 cm long, 35 cm wide, petiolate leaves have a dentate margin.
Generative characteristics
The inodorous flowers extend up to 30 cm above the water surface. The sepals are 4.2–13 cm long, and 5.5 cm wide. The 12-24 white to deep blue, lanceolate petals are 1–11.5 cm long, and 2.5-5.5 cm wide. The androecium consists of 150-300 yellow stamens. The gynoecium consists of 12-25 carpels. The globose, 2.3–9 cm wide fruit bears numerous large, ovoid, 2.6–7 mm long and 2–3.5 mm wide seeds with 0.1-0.13 mm long trichomes.
Taxonomy
Publication
It was first described by Carl Barre Hellquist in 2011.
Type specimen
The Type specimen was collected by S. W. L. Jacobs and C. B. Hellquist in Lake Powlanthanga, Queensland, Australia on the 12th of June 2007.
Subspecies
Two subspecies, namely Nymphaea jacobsii subsp. jacobsii, and Nymphaea jacobsii subsp. toomba Hellq., have been described.
Placement within Nymphaea
It is placed in Nymphaea subgenus Anecphya.
Natural hybridisation
A natural hybrid of Nymphaea jacobsii and Nymphaea violacea has been described, but not named.
Etymology
It is named after Surrey Wilfrid Laurance Jacobs.
Conservation
The NCA status of Nymphaea jacobsii is Special Least Concern (SL).
Ecology
Habitat
It is found in lakes, and creeks.
References
- ^ Queensland Government. (2022f, March 8). Species profile — Nymphaea jacobsii. Retrieved January 2, 2024, from https://apps.des.qld.gov.au/species-search/details/?id=40536
- ^ "Nymphaea jacobsii Hellq". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2 January 2024.
- ^ Jacobs, S. W., & Hellquist, C. B. (2011). "New species, possible hybrids and intergrades in Australian Nymphaea (Nymphaeaceae) with a key to all species." Telopea, 13(1-2), 233-243.
- Holotype of Nymphaea jacobsii Hellq. . (n.d.). JSTOR. Retrieved January 2, 2024, from https://plants.jstor.org/stable/10.5555/al.ap.specimen.nsw921933
| Taxon identifiers | |
|---|---|
| Nymphaea jacobsii | |
| Nymphaea jacobsii subsp. jacobsii | |
| Nymphaea jacobsii subsp. toomba | |