Odontites vernus

Tracheophyta MagnoliopsidaScrophulariaceaeOdontitesOdontites vernus

Ecology

An annual root-hemiparasite of short, often trampled grasslands, tracks, waste places, the edges of arable fields, gravelly and rocky seashores and saltmarshes. 0-540 m (Nenthead, Cumberland).

Status

Native

World Distribution

Eurasian Temperate element; widely naturalised outside its native range.

Broad Habitats

Neutral grassland (includes coarse Arrhenatherum grassland)

Light (Ellenberg): 7

Moisture (Ellenberg): 5

Reaction (Ellenberg): 6

Nitrogen (Ellenberg): 5

Salt Tolerance (Ellenberg): 0

January Mean Temperature (Celsius): 3.7

July Mean Temperature (Celsius): 14.7

Annual Precipitation (mm): 1047

Height (cm): 50

Perennation - primary

Annual

Life Form - primary

Therophyte (annual land plant)

Woodiness

Herbaceous

Clonality - primary

Little or no vegetative spread

Count of 10km squares in Great Britain: 2320

Count of 10km squares in Ireland: 865

Count of 10km squares in the Channel Isles: 7

Atlas Change Index: -0.46

Weighted Changed Factor: 7

Weighted Change Factor Confidence (90%)

20

JNCC Designations

NBNSYS0000004164

Atlas text references

Atlas (235c)
Atlas Supp (63a-c)
Hultén E, Fries M
1986.  Atlas of north European vascular plants north of the Tropic of Cancer. 3 vols.