| Class: | angiosperms |
| Order: | Nymphaeales |
| Family: | Nymphaeaceae |
| Genus: | Nymphaea |
| Scientific name: | Nymphaea tetragona Georgi |
| Name acc. to: | Gubanov 1996 |
| Description: | Flowers white, 3-6 cm in diam.; carpellary appendages ovate. |
| Comments: | No mongolian material seen. For comments to the species see Flora of China. |
| Link to Flora of China: | http://www.efloras.org/browse.aspx?flora_id=2&name_str=Nymphaea+tetragona |
| open map in a new window |  |
| Habitat: | Lakes, old river beds, river backwaters (Grubov 2001). |
| Habit (i)general appearance of a plant | |
| Growth form: (i)Herb, shrub, tree or climber. | herb (i)Herbaceous, erect plant, up to 2m high, mostly with a leafy shoot; if perennial, shoots die to the ground each season, shoots are not woody
example: Artemisia pectinata 
perennial (i)Living for several to many years, as opposed to annual and biennial
acc. to: FoC online |
| Parasite status: (i)Is the plant a half- or full parasite? | no parasite/saprophyte (i)Plant fully autonomous, leaves with chlorophyll
example: Most plants, Ranunculus  inherited by family Nymphaeaceae: no parasite/saprophyte
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| Water or terrestrial plant: (i)Where do the plants grow? | aquatic, leaves floating (i)Plant submerged in water, but leaves and flowers above surface
example: Nuphar inherited by order Nymphaeales: aquatic, leaves floating
water or swamp plant inherited by order Nymphaeales: water or swamp plant inherited by family Nymphaeaceae: water or swamp plant
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| Leaf (i)expanded, usually photosynthetic organ of a plant (including phylloclades) | |
| Leaf veination: (i)Arrangement of the main veins of a leaf. | pinnate (i)One main vein, several side veins, sometimes inconspicuous
example: Cicerbita    inherited by family Nymphaeaceae: pinnate
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| Flower (i)reproductive portion of the plant, consisting of sepals, petals, stamens, and pistils | |
| Spur: (i)A hollow, slender, sac-like appendage of the perianth leaves, storing nectar. | no spur (i)Flower without appendage
example: Peganum inherited by family Nymphaeaceae: no spur
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| Stamen number: (i)Attention: We ask for the reproductive organs of the flower dispersing pollen. Count only fully fertile stamens, not staminodia (e.g. Parnassia). | > 10 (i)
example: Nymphaea, Callianthemum, Rosa inherited by family Nymphaeaceae: > 10
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| Root / shoot below ground (i)plant part below ground (in most cases), including below ground shoots, without leaves | |
| Root type: (i)Organisation of the roots. | allorhizous (i)Plant with a conspicuous tap root, one larger tap root with side roots
example: Dicotyledonae inherited by order Nymphaeales: allorhizous
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| Distribution (i)region where the plant is likely to be found | |
| Distribution (Veg. Zones): (i)acc. to Grubov 1952 | Khubsgul (i)In distribution data often named as '1' 
Khangai (i)In distribution data often named as '3' 
Depression of Great Lakes (i)In distribution data often named as '10' 
acc. to: Gubanov 1996 |
| Distribution Khangay: (i)acc. Flora Khangaya 1989 | I
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| Plant Status | |
| Red list status: (i)Rare Mongolian plants | very rare (Shiirevdamba 2007) (i)Very rare plant
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