Nymphaea abhayana

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Nymphaea abhayana
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Order: Nymphaeales
Family: Nymphaeaceae
Genus: Nymphaea
Subgenus: Nymphaea subg. Brachyceras
Species:
N. abhayana
Binomial name
Nymphaea abhayana
A.Chowdhury & M.Chowdhury [1]
India West Bengal location map.svg
Nymphaea abhayana is endemic to West Bengal, India [1]

Nymphaea abhayana is a species of waterlily endemic to India. [1]

Contents

Description

Vegetative characteristics

Nymphaea abhayana is an annual aquatic herb. The leaves are almost all submerged. The lamina is 13-15 cm long, and 16-18 cm wide. The green petioles are glabrous. [2] [3]

Generative characteristics

The 5-6 cm wide flowers float, but never extend above the water surface. The four 3.7-4 cm long, 0.8-1.2 cm wide sepals display prominent venation. The seven 2.9-3.5 cm long, 0.5-0.7 cm wide petals display blueish-purple colouration. The androecium consists of 13 stamens. The flowers have 6-7 stigmatic rays. The globose, 0.7-2 cm wide fruit bears globose seeds. [2] [3]

Reproduction

Generative reproduction

Flowering and fruiting occurs from October to December. [3]

Taxonomy

Publication

It was first described by Anurag Chowdhury and Monoranjan Chowdhury in 2016. [1] [4]

Type specimen

The type specimen of Nymphaea abhayana was collected by Anurag et al. in Gorumara National Park, West Bengal, India, on the 16th of November 2014. [2]

Placement within Nymphaea

It is close to Nymphaea nouchali . [2]

Etymology

The specific epithet abhayana honours Prof. Abhaya Prasad Das [4] [2] of the University of North Bengal and Rajiv Gandhi University. [5]

Conservation

Nymphaea abhayana has a very narrow distribution. [2] It is a rare species. [3]

Ecology

Habitat

It occurs in ephemeral aquatic habitats, which dry up in December. [2]

References

  1. 1 2 3 4 "Nymphaea abhayana A.Chowdhury & M.Chowdhury". Plants of the World Online . Royal Botanic Gardens, Kew . Retrieved 29 December 2023.
  2. 1 2 3 4 5 6 7 Chowdhury, A., & Chowdhury, M. (2016). "Nymphaea abhayana sp. nov. of Nymphaeaceae from Duars of West Bengal, India." International Journal of Plant Sciences, 5(4), 57-60.
  3. 1 2 3 4 Chowdhury, A. (2015). "Studies on the diversity and ethnic uses of wetland vascular plants in Terai and Duars of West Bengal, India (Doctoral dissertation, University of North Bengal").
  4. 1 2 Nymphaea abhayana A.Chowdhury & M.Chowdhury. (n.d.). International Plant Names Index. Retrieved December 3, 2024, from https://www.ipni.org/n/77174489-1
  5. Abhaya DAS | Professor | MSc, MPhil, PhD, FLS: Retired Professor | Research profile. (n.d.). ResearchGate. Retrieved December 29, 2023, from https://www.researchgate.net/profile/Abhaya-Das