Rhamnus cathartica

Tracheophyta MagnoliopsidaRhamnaceaeRhamnusRhamnus cathartica

Ecology

This strongly calcicolous shrub or small tree is found in a variety of habitats, including as an undershrub in woodland (usually Fraxinus and Quercus), in scrub and hedgerows and in fen-carr and damp Alnus woods. Reproduction is by seed, and it regenerates from cut stools and after grazing or burning. 0-380 m (near Malham Tarn, Mid-W. Yorks.).

Status

Native

World Distribution

Eurosiberian Temperate element; widely naturalised outside its native range.

© P. Shannon

Broad Habitats

Light (Ellenberg): 7

Moisture (Ellenberg): 5

Reaction (Ellenberg): 7

Nitrogen (Ellenberg): 6

Salt Tolerance (Ellenberg): 0

January Mean Temperature (Celsius): 3.6

July Mean Temperature (Celsius): 15.8

Annual Precipitation (mm): 783

Height (cm): 600

Perennation - primary

Perennial

Life Form - primary

Mega-, meso- and microphanerophyte

Woodiness

Woody

Clonality - primary

Little or no vegetative spread

Count of 10km squares in Great Britain: 857

Count of 10km squares in Ireland: 88

Count of 10km squares in the Channel Isles: 0

Atlas Change Index: -0.04

Weighted Changed Factor: -5

Weighted Change Factor Confidence (90%)

22

JNCC Designations

NBNSYS0000003198