Nymphaea sulphurea
{{Short description|Species of water lily}}
{{Speciesbox
| image = The waterlilies (Plate 12) (6914794312).jpg
| image_caption = Botanical illustration of Nymphaea sulphurea in the publication "The waterlilies: a monograph of the genus Nymphaea" by Henry Shoemaker Conard
| genus = Nymphaea
| parent = Nymphaea subg. Brachyceras
| species = sulphurea
| authority = Gilg
| synonyms =
- Nymphaea primulina Hutch.
| range_map =
| range_map_caption =
| status = DD
| status_system = IUCN3.1
}}
Nymphaea sulphurea is a species of waterlily native to Angola, Zambia, and the Democratic Republic of the Congo.{{cite POWO |id=605720-1 |title=Nymphaea sulphurea Gilg |accessdate=4 January 2024}}
Description
=Vegetative characteristics=
Nymphaea sulphurea has stout, cone-shaped rhizomes. The suborbicular to broadly ovate, petiolate, 4.5-5.5 cm long leaves{{cite book | last1=Baum | first1=Hugo | last2=Kellen | first2=Pieter van der. | last3=Warburg | first3=Otto | title=Kunene-Sambesi-expedition, H. Baum, 1903 | publisher=Verlag des Kolonial-wirtschaftlichen Komitees | publication-place=Berlin | year=1903 | doi=10.5962/bhl.title.37083 | pages=235–236 |url=https://www.biodiversitylibrary.org/page/25788021 |language=de}} have an entire margin. The petioles are 38–46 cm long.
=Generative characteristics=
Taxonomy
=Publication=
It was first described by Ernest Friedrich Gilg in 1903.
=Type specimen=
The type specimen was collected by Hugo Baum in Minnesera on 17 January 1900.{{cite book |last=Conard |first=H. S. |year=2015 |title=The Waterlilies: A Monograph of the Genus Nymphaea |series=Classic Reprint |page= 161 |location=USA |publisher=FB&C Limited}}
Etymology
The specific epithet sulphurea, from the Latin sulphureus, means yellow,{{cite web |title=The Meaning of Latin Plant Names |website=The Seed Site |access-date= January 4, 2024 |url=http://theseedsite.co.uk/latin.html}}{{cite book |last=Charters |first=M. L. |title=California Plant Names: Latin and Greek Meanings and Derivations An Annotated Dictionary of Botanical and Biographical Etymology |access-date=January 4, 2024 |url=http://www.calflora.net/botanicalnames/pageSI-SY.html}} and refers to the floral colouration.
Conservation
The IUCN conservation status is Data Deficient (DD).