Nuphar microphylla
Species of plant
From Wikipedia, the free encyclopedia
Nuphar microphylla is a perennial,[2] rhizomatous, aquatic[3] herb[4] found in North America. It is listed as a special concern and believed extirpated in Connecticut.[5]
| Nuphar microphylla | |
|---|---|
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| 1809 illustration | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Order: | Nymphaeales |
| Family: | Nymphaeaceae |
| Genus: | Nuphar |
| Section: | Nuphar sect. Nuphar |
| Species: | N. microphylla |
| Binomial name | |
| Nuphar microphylla | |
| Synonyms[1] | |
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List
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Description
Vegetative characteristics
Nuphar microphylla is a perennial,[2] rhizomatous, aquatic[3] herb[4] with 1–2 cm wide rhizomes.[6] The ovate[7] to broadly elliptic, 3.5–10(–13) cm long, and 3.5–7.5(–8.5) cm wide floating leaves[6] have a deep sinus.[8][6] The abaxial leaf surface is often purple.[9][8] The leaf venation is pinnate.[10]
Generative characteristics
The small,[11] yellow to green,[7] 1–2 cm wide flowers[6] float on the water surface.[10] The red stigmatic disks are 2.5–7 mm wide.[6]
Cytology
The chromosome count is 2n = 34.[6]
Taxonomy
It was first published as Nymphaea microphylla Pers. by Christiaan Hendrik Persoon in 1806.[12][13] It was placed into the genus Nuphar Sm. as Nuphar microphylla (Pers.) Fernald published by Merritt Lyndon Fernald in 1917.[14][3] It is placed in the section Nuphar sect. Nuphar.[4] It is a parent species of the natural hybrid Nuphar × rubrodisca Morong.[4]
Etymology
The specific epithet microphylla means small-leaved.[15][16]
