Nymphaea georginae is a species of waterlily native to the Northern Territory, and the state of Queensland, Australia.[2]

Description

Vegetative characteristics

Nymphaea georginae is a perennial plant with 4 cm wide, globose rhizomes. The orbicular to elliptic, 60 cm wide floating leaves have dentate margins.[3]

Generative characteristics

The fragrant flowers can extend up to 30 cm above the water surface. The flowers have 4 sepals, and 12-26 petals. The androecium consists of 150-250 stamens. The gynoecium consists of 7-19 carpels. The 4 cm wide, globose fruit bears globose to subglobose, 2.5-4 mm wide seeds with interrupted rows of 0.1-0.15 mm long trichomes. The flowers are the most fragrant flowers within Nymphaea subgenus Anecphya.[3]

Taxonomy

Publication

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

Type specimen

The type specimen of Nymphaea georginae was collected by S. Jacobs and C. B. Hellquist in the Georgina River in Camooweal, Queensland, Australia on the 19th April 2005.[3][4]

Placement within Nymphaea

It is placed in Nymphaea subgenus Anecphya.[3]

Etymology

The specific epithet georginae refers to the Georgina River, which is the type locality.[3]

Conservation

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

Ecology

Dry river bed of the Georgina River, Camooweal

Habitat

Nymphaea georginae grows in billabongs and flood channels, habitats characterised by prolonged periods of drought and equally extended wet periods.[3]

References

  1. ^ a b Queensland Government. (2022d, March 8). Species profile — Nymphaea georginae. Retrieved December 30, 2023, from https://apps.des.qld.gov.au/species-search/details/?id=30918
  2. ^ a b c d "Nymphaea georginae S.W.L.Jacobs & Hellq". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 30 December 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. ^ Holotype of Nymphaea georginae S.W.L.Jacobs & Hellq. [family NYMPHAEACEAE]. (n.d.). JSTOR. Retrieved December 30, 2023, from https://plants.jstor.org/stable/10.5555/al.ap.specimen.nsw921918
Allikas: https://en.wikipedia.org/wiki/Nymphaea_georginae
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