An annual, or rarely biennial, herb of dry neutral and basic soil, found in woodland margins, hedgerows, rough and rank grassland, and on roadside verges. 0-410 m (Craven Pennines, Mid-W. Yorks.).
The distribution of T. japonica is little changed since the 1962 Atlas.
Eurasian Temperate element; widely naturalised outside its native range.
Light (Ellenberg): 7
Moisture (Ellenberg): 5
Reaction (Ellenberg): 7
Nitrogen (Ellenberg): 7
Salt Tolerance (Ellenberg): 0
January Mean Temperature (Celsius): 3.7
July Mean Temperature (Celsius): 14.9
Annual Precipitation (mm): 1004
PLANTATT - Attributes of British and Irish plants. (.zip 1455KB) This dataset was compiled and published in 2004, and last updated in November 2008. Download includes an Excel spreadsheet of the attributes, and a PDF explaining the background and nomenclature. Note that the PDF version is the booklet as published, whereas the Excel spreadsheet incorporates subsequent corrections. A hardcopy can be purchased from the Centre for Ecology and Hydrology.
Atlas text references
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.