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Rorippa amphibia

Taxonomy
The status of the taxon:
checked
Department: Magnoliophyta
Class Magnoliopsida
Subclass: Dilleniidae
Superorder: Violanae
Order: Capparales
Family: Brassicaceae
Genus: Rorippa
The specific epithet: amphibia
Author: (L.) Bess.
Names, synonyms, alternative name of this plant in different countries
Name Status
great yellowcress English name
Nasturtium natans DC. synonym
Nasturtium riparium Wallr. synonym
Rorippa amphibia 'natans (DC.) Kotov' var.
Rorippa amphibia 'riparia (Wallr.) Kotov' var.
Rorippa amphibia (L.) Bess. main title
Жерушник земноводный Russian name

Data on environmental scales:

Scale Landolt

Attitude to moisture:
in soils saturated with water, avoiding sredneoblastnoj habitats
Source: Common. (See Sources tab)
The acidity of the soil:
in slightly acidic soil, never very sour, but sometimes in neutral and slightly alkaline (pH 4.5 to 7.5)
Source: Common. (See Sources tab)
The richness of the soil mineral nutrition, especially nitrogen compounds:
on rich soils
Source: Common. (See Sources tab)
The content of humus:
on soils with medium humus content
Source: Common. (See Sources tab)
Mechanical composition and soil structure:
on fine soils (clay, peat), usually waterproof and poorly aerated (particle diameter less than 0.002 mm)
Source: Common. (See Sources tab)
Illumination:
penumbral plant (at a relative illumination of more than 10%)
Source: Common. (See Sources tab)
Temperature:
4
Source: Common. (See Sources tab)
Continenatlity:
2
Source: Common. (See Sources tab)

The Scale Of Tsyganov

Termokhimicheskie scale, from:
subarctic/boreal
Source: Common. (See Sources tab)
Termokhimicheskie scale, to:
Submediterranean/Mediterranean
Source: Common. (See Sources tab)
Continentality of climate, from:
ocean
Source: Common. (See Sources tab)
Continentality of climate, to:
ultracontinental
Source: Common. (See Sources tab)
Apolitically aridity-Guidetti, from:
maturity (R-E -400 - 800 mm/year)
Source: Common. (See Sources tab)
Apolitically aridity-Guidetti to:
humid (P-E = 400-800 mm/year)
Source: Common. (See Sources tab)
Creolisation, from:
very harsh winters (the average temperature of the coldest month < -32)
Source: Common. (See Sources tab)
Karolinamisia to:
warm winters to very warm winters
Source: Common. (See Sources tab)
Soil moisture, from:
wet-forest-meadow
Source: Common. (See Sources tab)
Soil moisture, to:
pribrezhnoy
Source: Common. (See Sources tab)
Salt regime of soils, from:
poor soil
Source: Common. (See Sources tab)
Salt regime of soils, to:
sredneshirotnykh soil
Source: Common. (See Sources tab)
The wealth of soil nitrogen from:
poor nitrogen soils
Source: Common. (See Sources tab)
The wealth of the soil nitrogen, to:
excessively nitrogen-rich soil
Source: Common. (See Sources tab)
The acidity of the soil, from:
acidic soils (pH 4,5-5,5)
Source: Common. (See Sources tab)
The acidity of the soil, to:
alkaline soils (pH >/ 8,0)
Source: Common. (See Sources tab)
Light-shading from:
open spaces
Source: Common. (See Sources tab)
Light-shading, to:
light woods
Source: Common. (See Sources tab)
Variability of moisture, from:
moderately alternating moisture
Source: Common. (See Sources tab)
Variability of moisture, to:
much peremennogo moisture
Source: Common. (See Sources tab)

Appearance:

Growth form:
Herbaceous plant
Source: Common. (See Sources tab)
Life:
Многолетнее
Source: Common. (See Sources tab)

Botany:

Monoecious/dioecious:
Monoecious
Source: Common. (See Sources tab)
Petals:
4
Source: Common. (See Sources tab)
Stamens:
6
Source: Common. (See Sources tab)
Type of ovary:
Верхняя
Source: Common. (See Sources tab)
Pistils:
2
Source: Common. (See Sources tab)
Sepals:
4
Source: Common. (See Sources tab)
Phyllotaxy:
Очерёдное
Source: Common. (See Sources tab)
Sheet:
Простой
Source: Common. (See Sources tab)
The list of sources:
1. http://plants.usda.gov/java/introduced?queryParam=comname&sort=comname
2. http://www.plantarium.ru/page/view/item/32103.html
3. Ботаника. Учебник. Родионова А.С., Скупченко В.Б., Малышева О.Н., Джикович Ю.В.
4. Черепанов, 1995