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] | |
| |
_(W3).svg)
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| Nymphaea jacobsii is endemic to Queensland, Australia[2] | |
Description
editVegetative characteristics
editNymphaea 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
editThe 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
editPublication
editIt was first described by Carl Barre Hellquist in 2011.[2]
Type specimen
editThe 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
editTwo subspecies, namely Nymphaea jacobsii subsp. jacobsii, and Nymphaea jacobsii subsp. toomba Hellq., have been described.[2][3]
Placement within Nymphaea
editIt is placed in Nymphaea subgenus Anecphya.[3]
Natural hybridisation
editA natural hybrid of Nymphaea jacobsii and Nymphaea violacea has been described, but not named.[3]
Etymology
editIt is named after Surrey Wilfrid Laurance Jacobs.[3]
Conservation
editThe NCA status of Nymphaea jacobsii is Special Least Concern (SL).[1]
Ecology
editHabitat
editIt 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