Nuphar × porphyranthera

Nuphar × porphyranthera is a species of rhizomatous aquatic plant native to Great Britain. It is a hybrid of Nuphar lutea and Nuphar advena.[1]

The parent species of the natural hybrid Nuphar × porphyranthera Lansdown & Ruhsam
Nuphar advena (Aiton) W.T.Aiton
Nuphar lutea (L.) Sm.

Nuphar × porphyranthera
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Order: Nymphaeales
Family: Nymphaeaceae
Genus: Nuphar
Species:
N. × porphyranthera
Binomial name
Nuphar × porphyranthera
Lansdown & Ruhsam[1]
Nuphar × porphyranthera occurs in Great Britain[1]

Description

Vegetative characteristics

Nuphar × porphyranthera is an aquatic plant with predominantly emerging leaves.[2]

Generative characteristics

The flowers have 5-6 sepals. The yellow filaments are 4.1–9.9 mm long. The sterile, purple or yellow anthers are 5–11 mm long. The fruit does not develop.[2]

Reproduction

Generative reproduction

The hybrid is sterile.[2]

Taxonomy

Publication

It was first described by Lansdown & Ruhsam in 2022.[1]

Natural hybridisation

Hybridisation occurred after introduction of the non-native Nuphar advena to Great Britain. It hybridised with the native species Nuphar lutea and formed the new hybrid Nuphar × porphyranthera.[2]

Type specimen

The type specimen was collected from a shaded former gravel pit beneath trees in Ferry Lane, Shepperton, Middlesex, United Kingdom.[2][3]

Ecology

Habitat

It occurs in ornamental ponds, and in a gravel pit.[2] It doesn't appear to spread into new habitats.[4]

References
  1. "Nuphar × porphyranthera Lansdown & Ruhsam". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 4 May 2024.
  2. Lansdown, R., & Ruhsam, M. (2022). YELLOW WATER LILIES (NUPHAR, NYMPHAEACEAE) IN GREAT BRITAIN: A NEW HYBRID, A REAPPRAISAL OF RECORDS, AND A REVISED STATUS OF N. ADVENA. Edinburgh Journal of Botany, 79, 1-15.
  3. Nuphar × porphyranthera | International Plant Names Index. (n.d.). Retrieved May 4, 2024, from https://www.ipni.org/n/77317649-1
  4. British water lily found hiding in plain sight. (n.d.). Royal Botanic Garden Edinburgh. Retrieved May 4, 2024, from https://www.rbge.org.uk/news/articles/british-water-lily-found-hiding-in-plain-sight/
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