Nymphaea jacobsii is a species of waterlily endemic to Queensland, Australia.[2]
| Nymphaea jacobsii | |
|---|---|
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Order: | Nymphaeales |
| Family: | Nymphaeaceae |
| Genus: | Nymphaea |
| Species: | N. jacobsii
|
| Binomial name | |
| Nymphaea jacobsii Hellq.[2]
| |
| Subspecies[2] | |
| |
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| Nymphaea jacobsii is endemic to Queensland, Australia[2] | |
Description edit
Vegetative characteristics edit
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.[3]
Generative characteristics edit
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.[3]
Taxonomy edit
Publication edit
It was first described by Carl Barre Hellquist in 2011.[2]
Type specimen edit
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.[4][3]
Subspecies edit
Two subspecies, namely Nymphaea jacobsii subsp. jacobsii, and Nymphaea jacobsii subsp. toomba Hellq., have been described.[2][3]
Placement within Nymphaea edit
It is placed in Nymphaea subgenus Anecphya.[3]
Natural hybridisation edit
A natural hybrid of Nymphaea jacobsii and Nymphaea violacea has been described, but not named.[3]
Etymology edit
It is named after Surrey Wilfrid Laurance Jacobs.[3]
Conservation edit
The NCA status of Nymphaea jacobsii is Special Least Concern (SL).[1]
Ecology edit
Habitat edit
It is found in lakes, and creeks.[3]
References edit
- ^ a b 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
- ^ a b c d e f g "Nymphaea jacobsii Hellq". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2 January 2024.
- ^ a b c d e f g h 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. [family NYMPHAEACEAE]. (n.d.). JSTOR. Retrieved January 2, 2024, from https://plants.jstor.org/stable/10.5555/al.ap.specimen.nsw921933