Nymphoides peltata S.G.Gmel.

Nymphoides peltata imageSynonyms: None

Common names: Russ: Bolototsvetnik shchitolistny; Ukr: Plavun shchitolystny

Order: GENTIANALES

Family: MENYANTHACEAE

Taxonomic descriptions: Perennial water herb with long creeping rootstock, holding firm on the bottom of water body. Leaves are round-hearted, floating on the water surface. Flowers are yellow with deeply divided corolla. Its fruit is an ovate pod.

Nymphoides peltata arealIUCN Status:
    World level: NE
    Black Sea Regional level: LR
    Subregion level: LR (Ukraine)

Distribution:

Habitats type, Critical habitats, Limiting factors: Shallows (30-50 cm depth) with flowing or slow waters with sandy and silty bottom sediments.

Biology: Flowering during VI-VIII. Fruit-bearing - VIII-IX. Reproducing by seeds and vegetatively.

Population trends: Populations are numerous, but decreasing.

Threats: Drying, pollution and salting of the reservoirs.

Conservation measures taken: This species has been entered in the Red Data Books of Ukraine (1996) and Bulgaria (1984). It is protected in the Danube delta (Ukraine and Romania).

Conservation measures proposed: To create protected zones in places where it occurs.

References:

  1. Rare and vanishing plants of the USSR/Ed. by Ac.A.Takhtajan. - Leningrad, 1981. - 264 p.
  2. Red Data Book of Bulgaria. Vol. 1. Plants. - Sofia, 1984. - 447 p.
  3. Red Data Book of Ukraine. Vegetable Kingdom. - Kyiv, 1996. - 606 p.

Compiled by: S.Dyatlov, T.Vasilieva