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Euphrasia stricta

Taxonomy
The status of the taxon:
checked
Department: Magnoliophyta
Class Magnoliopsida
Subclass: Lamiidae
Superorder: Lamianae
Order: Scrophulariales
Family: Scrophulariaceae
Genus: Euphrasia
The specific epithet: stricta
Author: D. Wolff ex J.F. Lehm.
Names, synonyms, alternative name of this plant in different countries
Name Status
drug eyebright English name
Euphrasia condensata Jord. synonym
Euphrasia stricta D. Wolff ex J.F. Lehm. main title

Data on environmental scales:

Scale Landolt

Attitude to moisture:
on dry soils, avoiding very dry and very wet soil
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 poor soils
Source: Common. (See Sources tab)
The content of humus:
on soils rich in humus, but the plant roots reach the mineral soil
Source: Common. (See Sources tab)
Mechanical composition and soil structure:
on fine sand, fairly well-aerated soils (particle size of 0.002-0.05 mm)
Source: Common. (See Sources tab)
Illumination:
penumbral plant (at a relative illumination of more than 10%)
Source: Common. (See Sources tab)
Temperature:
3
Source: Common. (See Sources tab)
Continenatlity:
4
Source: Common. (See Sources tab)

The Scale Of Tsyganov

Termokhimicheskie scale, from:
Subboreal (30-40 kcal/cm*cm*year)
Source: Common. (See Sources tab)
Termokhimicheskie scale, to:
Submediterranean (50-60 kcal/cm*cm*year)
Source: Common. (See Sources tab)
Continentality of climate, from:
ocean
Source: Common. (See Sources tab)
Continentality of climate, to:
mainland/sub-continental
Source: Common. (See Sources tab)
Apolitically aridity-Guidetti, from:
semi-arid (P-E = 0-400 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:
moderate winters ( mean t of the coldest month -8 to -16)
Source: Common. (See Sources tab)
Karolinamisia to:
warm winters (mean t of the coldest month from 0 to +8)
Source: Common. (See Sources tab)
Soil moisture, from:
meadow-steppe
Source: Common. (See Sources tab)
Soil moisture, to:
wet-forest-meadow
Source: Common. (See Sources tab)
Salt regime of soils, from:
poor soils/poor soils
Source: Common. (See Sources tab)
Salt regime of soils, to:
a fairly rich soil
Source: Common. (See Sources tab)
The wealth of soil nitrogen from:
bezotosnyj soil
Source: Common. (See Sources tab)
The wealth of the soil nitrogen, to:
poor nitrogen soils
Source: Common. (See Sources tab)
The acidity of the soil, from:
very acidic soils (pH = 3,5)
Source: Common. (See Sources tab)
The acidity of the soil, to:
slightly alkaline soils (pH=7,2-8,0)
Source: Common. (See Sources tab)
Light-shading from:
open spaces
Source: Common. (See Sources tab)
Light-shading, to:
semi-open spaces/light woods
Source: Common. (See Sources tab)

Appearance:

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

Botany:

Monoecious/dioecious:
Monoecious
Source: Common. (See Sources tab)
Type of ovary:
Верхняя
Source: Common. (See Sources tab)
Pistils:
2
Source: Common. (See Sources tab)
Stipules:
No
Source: Common. (See Sources tab)
The list of sources:
1. http://plants.usda.gov/java/introduced?queryParam=comname&sort=comname
2. Ботаника. Учебник, Родионова А.С., Скупченко В.Б., Малышева О.Н., Джикович Ю.В.
3. Черепанов, 1995