Nuphar × porphyranthera explained

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

Reproduction

Generative reproduction

The hybrid is sterile.

Taxonomy

Publication

It was first described by Lansdown & Ruhsam in 2022.

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.

Type specimen

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

Ecology

Habitat

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

Notes and References

  1. 3306905-4 . Nuphar × porphyranthera Lansdown & Ruhsam . 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/