Buddleja davidii

Ecology

A large deciduous shrub, now very well established on waste ground, by railways, in quarries, on roadsides and generally in urban habitats, where it often grows on walls and neglected buildings. It prefers dry, disturbed sites where large populations can develop from its wind-dispersed seed. Lowland.

Status

Neophyte

World Distribution

Native of China.

© M. Cotterill, IWNHAS

Broad Habitats

Light (Ellenberg): 7

Moisture (Ellenberg): 5

Reaction (Ellenberg): 7

Nitrogen (Ellenberg): 5

0

Salt Tolerance (Ellenberg): 0

January Mean Temperature (Celsius): 3.9

July Mean Temperature (Celsius): 15.4

Annual Precipitation (mm): 930

Life form information

Height (cm): 500

Perennation - primary

Perennial

Life Form - primary

Mega-, meso- and microphanerophyte

Woodiness

Woody

Clonality - primary

Little or no vegetative spread

Distribution information

Count of 10km squares in Great Britain: 1434

Count of 10km squares in Ireland: 267

Count of 10km squares in the Channel Isles: 14

Atlas Change Index: 3.73

Weighted Changed Factor: 70

Weighted Change Factor Confidence (90%)

10

Distribution information

JNCC Designations

NHMSYS0000456713

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.