Myrrhis odorata
Ecology
A perennial herb of hedge banks, woodland margins, roadside verges, river banks and other grassy places. Many sites are near houses or old settlements, indicating its origin in cultivation, but it is also often found in places remote from habitation. Generally lowland, but reaching 500 m in E. Allendale (S. Northumb.).
Status
Trends
This species was first recorded from the wild in 1777. There has been little appreciable change in its distribution since the 1962 Atlas.
World Distribution
Native of the mountains of C. & S. Europe; widely naturalised elsewhere in temperate Europe.
Broad Habitats
Light (Ellenberg): 7
Moisture (Ellenberg): 6
Reaction (Ellenberg): 7
Nitrogen (Ellenberg): 7
Salt Tolerance (Ellenberg): 0
January Mean Temperature (Celsius): 3
July Mean Temperature (Celsius): 14.1
Annual Precipitation (mm): 1084
Height (cm): 180
Perennation - primary
Life Form - primary
Woodiness
Clonality - primary
Count of 10km squares in Great Britain: 1152
Count of 10km squares in Ireland: 147
Count of 10km squares in the Channel Isles: 0
Atlas Change Index: -0.25
Weighted Changed Factor: -25
Weighted Change Factor Confidence (90%)
JNCC Designations
Atlas text references
Atlas (155b)
.
1988. Comparative Plant Ecology.
.
1986. Atlas of north European vascular plants north of the Tropic of Cancer. 3 vols.
.
1978. Vergleichende Chorologie der zentraleuropäischen Flora. Volume 2. 2 vols.
.
1980. Umbellifers of the British Isles. Botanical Society of the British Isles Handbook no. 2.