Nymphaeaceae
Nymphaea

Nymphaea sulphurea Gilg

First published in O.Warburg (ed.), Kunene-Sambesi Exped.: 235 (1903)
This species is accepted
The native range of this species is DR Congo to Angola. It is a rhizomatous hydrogeophyte and grows primarily in the seasonally dry tropical biome.

Descriptions

IUCN Red List of Threatened Species https://www.iucnredlist.org/species/185239/8373143

Conservation
DD - data deficient
[IUCN]

Extinction risk predictions for the world's flowering plants to support their conservation (2024). Bachman, S.P., Brown, M.J.M., Leão, T.C.C., Lughadha, E.N., Walker, B.E. https://nph.onlinelibrary.wiley.com/doi/full/10.1111/nph.19592

Conservation
Predicted extinction risk: not threatened. Confidence: low confidence
[AERP]

Nymphaeaceae, F. A. Mendoça. Flora Zambesiaca 1:1. 1960

Morphology General Habit
Moderately stout aquatic herb with elongate rhizome 1–2 cm. thick.
Morphology Leaves
Leaves, 3–13 x 3–12 cm., chartaceous, orbicular or suborbicular, incised-cordate, peltate, lobes obtuse or rounded, nearly closed or divergent, smooth on both surfaces, green or reddish beneath, primary lateral nerves 6–7 on each side of the midrib, impressed.
Morphology Reproductive morphology Flowers
Flowers yellow, 4–8 cm. in diam.
Morphology Reproductive morphology Flowers Calyx
Sepals 4, 2.5–5 x 0.8–1.6 cm., ovate-lanceolate.
Morphology Reproductive morphology Flowers Corolla
Petals 8–14, as long as the sepals, oblong-lanceolate, obtuse or acute.
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 30–50.
Morphology Reproductive morphology Flowers Gynoecium Carpels
Carpels 12–16.
Morphology Reproductive morphology Fruits
Fruit 2 x 2–6 cm., subglobose.
Morphology Reproductive morphology Seeds
Seeds 1–5 mm. long, ellipsoid, smooth.
[FZ]

Sources

  • Angiosperm Extinction Risk Predictions v1

    • Angiosperm Threat Predictions
    • http://creativecommons.org/licenses/by/4.0

  • Flora Zambesiaca

    • Flora Zambesiaca
    • http://creativecommons.org/licenses/by-nc-sa/3.0

  • Herbarium Catalogue Specimens

    • 'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.
    • Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

  • IUCN Categories

    • IUCN Red List of Threatened Species
    • http://creativecommons.org/licenses/by-nc-sa/3.0

  • Kew Backbone Distributions

    • The International Plant Names Index and World Checklist of Vascular Plants 2026. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0

  • Kew Names and Taxonomic Backbone

    • The International Plant Names Index and World Checklist of Vascular Plants 2026. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 International Plant Names Index and World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0