Biology:Nymphaea conardii
| Nymphaea conardii | |
|---|---|
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Order: | Nymphaeales |
| Family: | Nymphaeaceae |
| Genus: | Nymphaea |
| Species: | N. conardii
|
| Binomial name | |
| Nymphaea conardii Wiersema[1]
| |
Nymphaea conardii is a species of waterlily native to the region spanning from Southern Mexico to tropical South America.[1]
Description
Vegetative characteristics
Nymphaea conardii is an aquatic herb[2] with ovoid, 4.5 cm wide rhizomes.[3] The ovate-elliptical leaf blade is uniformly green,[4] and it can reach up to 18 cm in length and 14 cm in width.[5] The leaf venation is reticulate and dichotomous, with 9-15 primary veins.[3] The leaf blade is attached to glabrous, max. 4 mm wide petioles with 2-4 primary and 4-6 secondary air canals.[5]
Generative characteristics
The nocturnal flowers float on the water surface.[2] The flowers have glabrous, non-brittle green peduncles with 5-6 primary, central air canals and 10-12 secondary, smaller, peripheral canals.[4] The flowers have uniformly green, 3-6 cm long and 1-3 cm wide, oblong-ovate sepals with an slightly rounded or acute apex.[5] The fruits are 1.5-1.7 cm long and 2.5-2.9 cm wide.[4] The granulose, pilose, ellipsoid seeds have trichomes arranged in interrupted, longitudinal lines.[2] The trichomes are 10–60 µm long.[6]
Cytology
The diploid chromosome count is 2n = 28.[5]
Reproduction
Vegetative reproduction
It is stoloniferous, but only in a brief period in which the tubers resume growth.[7] Proliferating pseudanthia are absent.[2][5]
Generative reproduction
Autogamy is possible, as the stigma retains its female function in the second day, when the pollen is released, thus enabling self-fertilization.[8] The seed dispersal is hydrochorous (i.e. water-dispersed) or ornithochorous (i.e. bird-dispersed).[9]
Taxonomy
Publication
It was first described by Wiersema in 1984.[1]
Type specimen
The type specimen was collected on the 29th of August 1981 by J.H. Wiersema and A. Gonzalez from a pond within in the Sosa Municipality of Barinas, Venezuela.[10][5]
Placement within Nymphaea
It is placed in Nymphaea subgenus Hydrocallis.[6][7] It is closely related to Nymphaea gardneriana, Nymphaea glandulifera, and Nymphaea jamesoniana.[11]
Etymology
The specific epithet conardii honours the botanist Henry Shoemaker Conard (1874 - 1971).[7]
Conservation
Nymphaea conardii is considered to be vulnerable (VU) in Cuba.[12]
Ecology
Habitat
It inhabits flooded savannas, shallow lagoons, and Morichales associated with still water (i.e. wetlands characterized by the presence of the moriche palm Mauritia flexuosa) at elevations of 0-200 m above sea level.[9] It is also found in ponds and temporary ditches.[5]
Pollination
It is pollinated by beetles.[9]
References
- ↑ 1.0 1.1 1.2 "Nymphaea conardii Wiersema" (in en). Royal Botanic Gardens, Kew. http://www.plantsoftheworldonline.org/taxon/281432-2. Retrieved 15 December 2023.
- ↑ 2.0 2.1 2.2 2.3 Pellegrini, M. O. O. & Jardim Botânico do Rio de Janeiro. (n.d.). Nymphaea conardii Wiersema. Flora E Funga Do Brasil. Retrieved December 15, 2023, from https://floradobrasil.jbrj.gov.br/FB10940
- ↑ 3.0 3.1 Velásquez, J. (1994). "Plantas acuáticas vasculares de Venezuela." p. 102. Venezuela: Universidad Central de Venezuela, Consejo de Desarrollo Científico y Humanistico.
- ↑ 4.0 4.1 4.2 de Lima, C. T., Machado, I. C., & Giulietti, A. M. (2021). "Nymphaeaceae of Brasil." Sitientibus série Ciências Biológicas, 21.
- ↑ 5.0 5.1 5.2 5.3 5.4 5.5 5.6 Wiersema, J. H. (1987). A Monograph of Nymphaea Subgenus Hydrocallis (Nymphaeaceae). Systematic Botany Monographs, 16, 1–112. https://doi.org/10.2307/25027681
- ↑ 6.0 6.1 Bonilla-Barbosa, J., Novelo, A., Orozco, Y. H., & Márquez-Guzmán, J. (2000). "Comparative seed morphology of Mexican Nymphaea species." Aquatic Botany, 68(3), 189-204.
- ↑ 7.0 7.1 7.2 Wiersema, J. H. (1984). Systematics of Nymphaea subgenus Hydrocallis (Nymphaeaceae). I. Four New Species from the Neotropics. Brittonia, 36(3), 213–222. https://doi.org/10.2307/2806510
- ↑ Wiersema, J. H. (1988). Reproductive Biology of Nymphaea (Nymphaeaceae). Annals of the Missouri Botanical Garden, 75(3), 795–804. https://doi.org/10.2307/2399367
- ↑ 9.0 9.1 9.2 Madriñán, S., Rial, A., Bedoya, A. M., Fernández, M. (2017). "Plantas acuáticas de la Orinoquia colombiana." p. 28. Kolumbien: Universidad de los Andes.
- ↑ Nymphaea conardii | International Plant Names Index. (n.d.). Retrieved December 15, 2023, from https://www.ipni.org/n/281432-2
- ↑ Borsch, T., Hilu, K. W., Wiersema, J. H., Löhne, C., Barthlott, W., & Wilde, V. (2007). Phylogeny of Nymphaea (Nymphaeaceae): Evidence from Substitutions and Microstructural Changes in the Chloroplast trnT‐trnF Region. International Journal of Plant Sciences, 168(5), 639–671. https://doi.org/10.1086/513476
- ↑ Urquiola Cruz, A. J., González-Oliva, L., Novo Carbó, R. (2010). "Libro rojo de la flora vascular de la provincia Pinar del Río." p. 447. Spanien: Universidad de Alicante.
Wikidata ☰ Q15481832 entry
 |  |
