Nymphaea paganuccii

Nymphaea paganuccii is an aquatic herb. It has cylindrical tubers, which are not stoloniferous. The glabrous, green, non-brittle petioles have four primary central and four secondary peripheral air canals. The elliptic, suborbicular to orbicular leaf blade has a flat and entire margin. The blade is 15.3–19.8 cm long and 10–17.3 cm wide.

The nocturnal flowers float on the water surface. The non-brittle, brownish, glabrous peduncle has six primary central and 12 secondary peripheral air canals. The ovoid, smooth, pilose seeds have trichomes arranged in continuous longitudinal lines. The seeds are 1–1.2 mm long and 0.7–0.8 mm wide.

Both stolons and proliferating pseudanthia are absent.de Lima, C. T., Machado, I. C., & Giulietti, A. M. (2021). [http://periodicos.uefs.br/index.php/sitientibusBiologia/article/download/4986/5243 "Nymphaeaceae of Brasil."] Sitientibus série Ciências Biológicas, 21.Pellegrini, M. O. O. & Jardim Botânico do Rio de Janeiro. (n.d.-b). Nymphaea paganuccii C.T.Lima & Giul. Flora E Funga Do Brasil. Retrieved December 17, 2023, from https://floradobrasil.jbrj.gov.br/FB623384

Flowering and fruiting has been observed in the month of July. Sexual reproduction plays a significant role in this species.

It was first described by C.T.Lima and Ana Maria Giulietti in 2021.

The type specimen was collected by C.T. Lima and L. Lima at depths of 1-3 m in a lagoon by the Tapajós river of the Santarém municipality in the state Pará, Brazil on the 18th of July 2011.

It is placed in Nymphaea subg. Hydrocallis.

The specific epithet paganuccii honours Prof. Dr. Luciano Paganucci de Queiroz of the State University of Feira de Santana, Brazil.

It occurs in the aquatic habitats of the Amazon rainforest. The depth of the lagoon habitat in the type locality fluctuates based on precipitation in the region, with a complete dry period occurring between August and December. It occurs sympatrically with several other Nymphaea species, namely Nymphaea amazonum, Nymphaea pedersenii, Nymphaea rapinii, and Nymphaea lingulata.

File:Scarabaeidae, Cyclocephala sp.; Peru; NHMUK014374069 (50097571177).jpg

Beetles of the genus Cyclocephala visit the flowers of Nymphaea paganuccii and have been trapped within them, indicating pollination by these beetles.

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paganuccii

Category:Flora of Brazil

Category:Endemic flora of Brazil

Category:Flora of Southern America

Category:Plants described in 2021