Nymphaea rapinii is a species of waterlily endemic to Brazil.[1]
| Nymphaea rapinii | |
|---|---|
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Order: | Nymphaeales |
| Family: | Nymphaeaceae |
| Genus: | Nymphaea |
| Subgenus: | Nymphaea subg. Hydrocallis |
| Species: | N. rapinii
|
| Binomial name | |
| Nymphaea rapinii C.T.Lima & Giul.[1]
| |
.svg)
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| Nymphaea rapinii is endemic to Brazil[1] | |
Description
editVegetative characteristics
editNymphaea rapinii is an aquatic herb[2] with stoloniferous, cylindrical tubers. The reddish-purple, glabrous, non-brittle, petioles have two primary and eight secondary peripheral air canals.[3] The elliptic, suborbicular to orbicular leaf blade has an entire and flat margin and actinodromous, arachnoid venation with impressed veins.[2] The leaf blade is 6–10.5 cm long and 4.2–10 cm wide.[3]
Generative characteristics
editThe nocturnal flowers float on the water surface.[2] The gabrous, brownish, non-brittle peduncle has five primary central and ten secondary peripheral air canals.[3]
Reproduction
editVegetative reproduction
editStolons are present,[3] but proliferating pseudanthia are absent.[2]
Generative reproduction
editFlowering has been observed in July, but no fruits have been found.[3]
Taxonomy
editIt was first described by C.T.Lima and Ana Maria Giulietti in 2021.[1]
Type specimen
editThe type specimen was collected by C.T. Lima and L. Lima in the Curuá Una River in the Prainha municipality in the state of Pará, Brazil on the 17th of July 2011. This species is only known from the type locality.[3]
Placement within Nymphaea
editIt is placed in Nymphaea subg. Hydrocallis.[3]
Etymology
editThe specific epithet rapinii honours Prof. Dr. Alessandro Rapini of the State University of Feira de Santana, Brazil.[3]
Ecology
editHabitat
editIt occurs in the aquatic habitats of the Amazon rainforest.[2] It inhabits the Curuá Una River, where seasonal changes of water levels occur based on precipitation, yet the river never dries up completely. Nymphaea rapinii was found growing in depths of 3 meters, where it occurred sympatrically with Nymphaea lingulata and Nymphaea paganuccii.[3]
References
edit- ^ a b c d "Nymphaea rapinii C.T.Lima & Giul". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 17 December 2023.
- ^ a b c d e Pellegrini, M. O. O. & Jardim Botânico do Rio de Janeiro. (n.d.-b). Nymphaea rapinii C.T.Lima & Giul. Flora E Funga Do Brasil. Retrieved December 17, 2023, from https://floradobrasil.jbrj.gov.br/FB623385
- ^ a b c d e f g h i de Lima, C. T., Machado, I. C., & Giulietti, A. M. (2021). "Nymphaeaceae of Brasil." Sitientibus série Ciências Biológicas, 21.