Parietaria judaica

Tracheophyta MagnoliopsidaUrticaceaeParietariaParietaria judaica

Ecology

A much-branched perennial herb growing from the cracks and mortar crevices of brick and stone walls, on building rubble, rocks, cliffs and steep-sided hedge banks. It prefers dry, sunny, sheltered spots, and is often found in built-up areas or not far from habitation. Lowland.

Status

Native

World Distribution

Submediterranean-Subatlantic element; also in C. Asia.

© Shannon, P

Broad Habitats

Light (Ellenberg): 7

Moisture (Ellenberg): 4

Reaction (Ellenberg): 8

Nitrogen (Ellenberg): 5

Salt Tolerance (Ellenberg): 1

January Mean Temperature (Celsius): 4.1

July Mean Temperature (Celsius): 15.6

Annual Precipitation (mm): 865

Height (cm): 52

Perennation - primary

Perennial

Life Form - primary

Hemicryptophyte

Woodiness

Herbaceous

Clonality - primary

Little or no vegetative spread

Count of 10km squares in Great Britain: 1336

Count of 10km squares in Ireland: 317

Count of 10km squares in the Channel Isles: 14

Atlas Change Index: 0.08

Weighted Changed Factor: 20

Weighted Change Factor Confidence (90%)

22

JNCC Designations

NBNSYS0000003804

Atlas text references

Atlas (181d)
de Bolòs O, Vigo J
1990.  Flora dels Països Catalans, II. Crucíferes-Amarantàcies.
Jalas & Suominen (1976)