Nymphaea alexii
Special Least Concern (NCA)[1]
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Order: Nymphaeales
Family: Nymphaeaceae
Genus: Nymphaea
Species:
N. alexii
Binomial name
Nymphaea alexii
S.W.L.Jacobs & Hellq.[2]
Nymphaea alexii is endemic to Queensland, Australia[2]

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

Description

Vegetative characteristics

Nymphaea alexii is an annual or perennial plant with 2 cm wide, globose rhizomes. The elliptic, 15 cm long, and 10 cm wide leaf blades have a slightly sinuate margin.[3]

Generative characteristics

The fragrant flowers extend up to 30 cm above the water surface. The androecium consists of 150 stamens with 17 mm long membranous filaments. The gynoecium consists of 8-16 carpels. The apex of the ovary often displays red colouration. The 4.5 cm wide, globose fruit bears elongate, glabrous, longitudinally ridged, 1-2 mm long seeds.[3]

Taxonomy

Publication

It was first described by Surrey Wilfrid Laurance Jacobs and Carl Barre Hellquist in 2006.[2][4]

Type specimen

The type specimen was collected by Jacobs and Hellquist in Queensland, Australia on the 17th of April 2005.[3]

Placement within Nymphaea

It is placed in Nymphaea subgenus Confluentes.[3][5]

Etymology

Nymphaea alexii is named after Alex James Fussell, the grandson of Surrey Wilfrid Laurance Jacobs.[3]

Conservation

The NCA status of Nymphaea alexii is Special Least Concern.[1]

Ecology

Habitat

It occurs in shallow margins of lagoons, and in ephemeral billabongs.[3]

References

  1. 1 2 Queensland Government. (2022a, March 8). Species profile — Nymphaea alexii. Retrieved December 29, 2023, from https://apps.des.qld.gov.au/species-search/details/?id=30927
  2. 1 2 3 4 "Nymphaea alexii S.W.L.Jacobs & Hellq". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 19 July 2023.
  3. 1 2 3 4 5 6 Jacobs, S. W., & Hellquist, C. B. (2006). "Three new species of Nymphaea (Nymphaeaceae) in Australia." Telopea, 11(2), 155-160.
  4. ↑ Les, D. H. (2011). "Surrey WL Jacobs (1946–2009) and aquatic plant research in Australia." Telopea, 13(1-2), 23-35.
  5. ↑ Dalziell, E. L. (2016). "Seed biology and ex situ storage behaviour of Australian Nymphaea (water lilies): implications for conservation (Doctoral dissertation, PhD thesis." University of Western Australia, Perth, WA).
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