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Nymphaea alexii

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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]

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

Description

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Vegetative characteristics

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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

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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

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Publication

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

Type specimen

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

Placement within Nymphaea

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

Etymology

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

Conservation

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

Ecology

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Habitat

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

References

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  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).