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

Nymphaea alexii
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]

Description edit

Vegetative characteristics edit

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 edit

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 edit

Publication edit

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

Type specimen edit

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

Placement within Nymphaea edit

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

Etymology edit

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

Conservation edit

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

Ecology edit

Habitat edit

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

References edit

  1. ^ a b 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. ^ a b c d "Nymphaea alexii S.W.L.Jacobs & Hellq". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 19 July 2023.
  3. ^ a b c d e f 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).