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Species of water lily From Wikipedia, the free encyclopedia
Nymphaea potamophila is a species of waterlily native to the region spanning from Venezuela to northern Brazil.[1] Additionally, it has been reported to occur in Colombia.[2][3]
Nymphaea potamophila | |
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Preserved herbarium specimen of Nymphaea potamophila Wiersema in the collection of the Royal Botanic Gardens, Kew | |
Scientific classification | |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Clade: | Angiosperms |
Order: | Nymphaeales |
Family: | Nymphaeaceae |
Genus: | Nymphaea |
Species: | N. potamophila |
Binomial name | |
Nymphaea potamophila Wiersema[1] | |
It is native to Venezuela and northern Brazil[1] |
Nymphaea potamophila is an aquatic herb. The elliptic-sagittate, papery leaf blades of floating leaves are up to 20 cm long and 10 cm wide.[4] The leaf margin is entire and flat.[5] The adaxial surface is coloured in green with overlaying patterns of red variegation. The abaxial surface has a greenish base colour accompanied by dark red variegation, but also exhibits patterns of branched, rusty-brown striations.[4] The leaf structure is compact and the leaves are very thin (145.50 μm). This gives the leaves cold tolerance.[6] The glabrous, 3 mm wide petioles are very long and can exceed 4 m in length.[4]
The nocturnal floating flowers are connected to glabrous, 4 mm wide peduncles, which can exceed 4 m in length.[4][7]
The chloroplast genome size is 159,232 bp.[8] The chromosome count is unknown.[7]
Proliferating pseudanthia are not formed in this species.[5][7]
High levels of both pollen viability and seed production are evident in Nymphaea potamophila. Sexual reproduction plays a significant role in this species.[4][7]
It can be found in the aquatic habitats of the Amazon Rainforest,[5] where it can grow along river margins in up to 4-5 m deep water.[7][4]
The type specimen was collected in Brazil by a team of scientists consisting of J. Ramos, C.D. Mota, L.A. Maia, and E. Soares on the 28th of June 1979.[4][9]
It is placed in Nymphaea subg. Hydrocallis.[8][4]
The conservation status of this species in Brazil has not yet been evaluated.[5]
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