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Nymphaea stuhlmannii | |
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Botanical illustration of Nymphaea stuhlmannii in the publication "The waterlilies: a monograph of the genus Nymphaea" by Henry Shoemaker Conard | |
Scientific classification | |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Clade: | Angiosperms |
Order: | Nymphaeales |
Family: | Nymphaeaceae |
Genus: | Nymphaea |
Species: | N. stuhlmannii
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Binomial name | |
Nymphaea stuhlmannii (Engl.) Schweinf. & Gilg[1]
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Nymphaea stuhlmannii is endemic to Tanzania | |
Synonyms[1] | |
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Nymphaea stuhlmannii is a species of waterlily endemic to Tanzania.[1]
Description
Vegetative characteristics
Nymphaea stuhlmannii is an aquatic herb with 5–12 cm long, 3–4 cm wide, globose to ovoid, blackish brown rhizomes and white, long roots.[1] The 25.5 cm long, 21 cm wide, petiolate, ovate-orbicular leaves have an entire margin. The venation is prominent.[2]
Generative characteristics
The fragrant flowers are 10-15 cm wide.[2] They are yellow.[3] The four sepals are obovate. The 22 petals are broadly obovate. The androecium consists of 125 stamens. The gynoecium consists of 23 carpels.[2] The 3–4.5 cm long, and 4–6 cm wide fruit bears numerous ovoid 0.7–1 mm long, and 0.5–0.75 mm wide seeds.[1]
Taxonomy
Publication
It was first described by Adolf Engler as Nymphaea lotus var. stuhlmannii Engl. in 1895. Later, it was elevated to the status of a separate species Nymphaea stuhlmannii (Engl.) Schweinf. & Gilg by Georg August Schweinfurth and Ernest Friedrich Gilg in 1903.[1]
Type specimen
The type specimen was collected by Franz Ludwig Stuhlmann (1863-1928) in Uniamweni, Gunda mkali, close to Bibisande, Africa at 1200 m above sea level on the 16th of July 1890.[2]
Etymology
The specific epithet stuhlmannii honours Stuhlmann, who collected the type specimen.
Conservation
It was feared to be extinct.[4]
Ecology
Habitat
Nymphaea stuhlmannii occurs in shallow pools subject to seasonal droughts at an elevation of 1140 m above sea level. The rhizomes are exposed on the surface during the dry season.[1]
References
- ^ a b c d e f g "Nymphaea stuhlmannii (Engl.) Schweinf. & Gilg". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 4 January 2024.
- ^ a b c d Conard, H. S. (2015). The Waterlilies: A Monograph of the Genus Nymphaea (Classic Reprint). pp. 161-162. USA: FB&C Limited.
- ^ Pring, G. H., & Woodson, R. E. (1933). A New Yellow Nymphaea from Tropical Africa. Annals of the Missouri Botanical Garden, 20(1), 1–6. https://doi.org/10.2307/2394418
- ^ Magdalena, C. (2018). "Der Pflanzen-Messias – Abenteuerliche Reisen zu den seltensten Arten der Welt. Deutschland:" Piper ebooks.
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