Salix pentandra

Tracheophyta MagnoliopsidaSalicaceaeSalixSalix pentandra

Ecology

A large shrub or small tree which grows in damp or wet ground, mostly in marshes, fens and wet woods, in winter-flooded dune-slacks and by ponds and streams; sometimes in drier sites such as shaded roadsides. Male plants are widely planted as ornamentals within and outside the native range. 0-410 m (Allendale, S. Northumb.).

Status

Native

World Distribution

Eurosiberian Boreo-temperate element; widely naturalised outside its native range.

Broad Habitats

Broadleaved, mixed and yew woodland

Light (Ellenberg): 7

Moisture (Ellenberg): 8

Reaction (Ellenberg): 6

Nitrogen (Ellenberg): 4

Salt Tolerance (Ellenberg): 0

January Mean Temperature (Celsius): 3

July Mean Temperature (Celsius): 14

Annual Precipitation (mm): 1114

Height (cm): 700

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: 700

Count of 10km squares in Ireland: 305

Count of 10km squares in the Channel Isles: 0

Atlas Change Index: 0.11

Weighted Changed Factor: 12

Weighted Change Factor Confidence (90%)

39

JNCC Designations

NBNSYS0000003858

Atlas text references

Atlas (187d)
Bean WJ
1980.  Trees and shrubs hardy in the British Isles, edn 8, IV. Ri-Z.
Howitt RCL, Howitt BM
1990.  Willows. A Guide to Some Difficult Plants. :28-40.
Hultén E, Fries M
1986.  Atlas of north European vascular plants north of the Tropic of Cancer. 3 vols.
Jalas & Suominen (1976)
Meikle RD
1984.  Willows and poplars of Great Britain and Ireland. Botanical Society of the British Isles Handbook no. 4.
Meusel H, Jäger E, Weinert E
1965.  Vergleichende Chorologie der zentraleuropäischen Flora. Volume 1. 2 vols.