Nymphaea sulphurea
Botanical illustration of Nymphaea sulphurea in the publication "The waterlilies: a monograph of the genus Nymphaea" by Henry Shoemaker Conard
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Order: Nymphaeales
Family: Nymphaeaceae
Genus: Nymphaea
Species:
N. sulphurea
Binomial name
Nymphaea sulphurea
Gilg[2]
Synonyms[2]
  • Nymphaea primulina Hutch.

Nymphaea sulphurea is a species of waterlily native to Angola, Zambia, and the Democratic Republic of the Congo.[2]

Description

Vegetative characteristics

Nymphaea sulphurea has stout, cone-shaped rhizomes. The suborbicular to broadly ovate, petiolate,[3] 4.5-5.5 cm long leaves[4] have an entire margin. The petioles are 38–46 cm long.[3]

Generative characteristics

The flowers are 4.5–7 cm wide. The lanceolate sepals with acute apex[3] are 2–3 cm long, and 1.5–1 cm wide. The dark sulphur yellow petals are 2.8–2 cm long, and 1.2-0.7 cm wide.[4] The androecium consists of 40-50 stamens with bright yellow anthers. The gynoecium consists of 12-14 carpels.[3]

Taxonomy

Publication

It was first described by Ernest Friedrich Gilg in 1903.[2]

Type specimen

The type specimen was collected by Hugo Baum in Minnesera on the 17th of January 1900.[3]

Etymology

The specific epithet sulphurea, from the Latin sulphureus, means yellow,[5][6] and refers to the floral colouration.

Conservation

The IUCN conservation status is Data Deficient (DD).[1]

Ecology

Habitat

Nymphaea sulphurea occurs in rivers, lakes, pools, and in deep waters.[1]

References

  1. 1 2 3 Juffe, D. (2010). "'Nymphaea sulphurea'". IUCN Red List of Threatened Species. 2010: e.T185239A8373143. doi:10.2305/IUCN.UK.2010-3.RLTS.T185239A8373143.en. Retrieved 4 January 2024.
  2. 1 2 3 4 "Nymphaea sulphurea Gilg". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 4 January 2024.
  3. 1 2 3 4 5 Conard, H. S. (2015). The Waterlilies: A Monograph of the Genus Nymphaea. Classic Reprint. USA: FB&C Limited. p. 161.
  4. 1 2 Baum, Hugo; Kellen, Pieter van der.; Warburg, Otto (1903). Kunene-Sambesi-expedition, H. Baum, 1903 (in German). Berlin: Verlag des Kolonial-wirtschaftlichen Komitees. pp. 235–236. doi:10.5962/bhl.title.37083.
  5. ↑ "The Meaning of Latin Plant Names". The Seed Site. Retrieved January 4, 2024.
  6. ↑ Charters, M. L. California Plant Names: Latin and Greek Meanings and Derivations An Annotated Dictionary of Botanical and Biographical Etymology. Retrieved January 4, 2024.
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