Chenopodium urbicum
Tracheophyta
›Magnoliopsida›Chenopodiaceae›Chenopodium›Chenopodium urbicum
Ecology
An annual of disturbed, nutrient-rich cultivated and waste ground, often occurring only as a casual. Lowland.
Status
Archaeophyte
Trends
Until about 1940 C. urbicum occurred frequently as a casual, mainly as a seed impurity, and populations persisted in some areas, such as at Ridge in Dorset where it was present for over fifty years. Since 1970 it has only occurred as a rare casual.
World Distribution
As an archaeophyte C. urbicum has a Eurosiberian Temperate distribution.
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Broad Habitats
Arable and horticultural (includes orchards, excludes domestic gardens)
Light (Ellenberg): 7
Moisture (Ellenberg): 5
Reaction (Ellenberg): 7
Nitrogen (Ellenberg): 7
Salt Tolerance (Ellenberg): 0
January Mean Temperature (Celsius): 4
July Mean Temperature (Celsius): 16.1
Annual Precipitation (mm): 762
Height (cm): 100
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: 239
Count of 10km squares in Ireland: 1
Count of 10km squares in the Channel Isles: 0
Atlas Change Index: -4.57
JNCC Designations
NBNSYS0000003100
Atlas text references
Atlas (82c)
.
1986. Atlas of north European vascular plants north of the Tropic of Cancer. 3 vols.
Jalas & Suominen (1980)