Nymphaea jacobsii

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Nymphaea jacobsii
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Order: Nymphaeales
Family: Nymphaeaceae
Genus: Nymphaea
Subgenus: Nymphaea subg. Anecphya
Species:
N. jacobsii
Binomial name
Nymphaea jacobsii
Hellq. [2]
Subspecies [2]
  • Nymphaea jacobsii subsp. jacobsii
  • Nymphaea jacobsii subsp. toomba Hellq.
Australia in the world (de-facto) (W3).svg
Nymphaea jacobsii is endemic to Queensland, Australia [2]

Nymphaea jacobsii is a species of waterlily endemic to Queensland, Australia. [2]

Contents

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. [3]

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. [3]

Taxonomy

Publication

It was first described by Carl Barre Hellquist in 2011. [2]

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. [4] [3]

Subspecies

Two subspecies, namely Nymphaea jacobsii subsp. jacobsii, and Nymphaea jacobsii subsp. toomba Hellq., have been described. [2] [3]

Placement within Nymphaea

It is placed in Nymphaea subgenus Anecphya. [3]

Natural hybridisation

A natural hybrid of Nymphaea jacobsii and Nymphaea violacea has been described, but not named. [3]

Etymology

It is named after Surrey Wilfrid Laurance Jacobs. [3]

Conservation

The NCA status of Nymphaea jacobsii is Special Least Concern (SL). [1]

Ecology

Habitat

It is found in lakes, and creeks. [3]

Related Research Articles

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References

  1. 1 2 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
  2. 1 2 3 4 5 6 "Nymphaea jacobsii Hellq". Plants of the World Online . Royal Botanic Gardens, Kew . Retrieved 2 January 2024.
  3. 1 2 3 4 5 6 7 8 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.
  4. 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