Download Salix caprea

Forest Ecology and Forest Management Group
Tree factsheet
images at pages 3 and 4
Salix caprea L.
taxonomy
author, year
synonym
Family
Eng. Name
Dutch name
subspecies
varieties
hybrids
cultivars, frequently used
references
morphology
crown habit
max. height (m)
max. dbh (cm)
actual size Europe
actual size Netherlands
leaf length (cm)
leaf petiole (cm)
leaf colour upper surface
leaf colour under surface
leaves arrangement
flowering
flowering plant
flower
flower diameter (cm)
flower male catkins length (cm)
flower female catkins length (cm)
pollination
fruit; length
fruit petiole (cm)
seed; length
seed-wing length (cm)
weight 1000 seeds (g)
seeds ripen
seed dispersal
Linnaeus 1753
Salicaceae
Goat willow; Goat sallow
Boswilg
S. x reichardtii (S. caprea x S. cinerea)
Weeda, E.J. 2003. Nederlandse Oecologische Flora, deel 1
Plants for a Future Database; www.pfaf.org/index.html
tree or shrub, oval
10
>40
year …, d (110) 115, h …, Rie Crathie, Aberdeenshire, Scotland
year …, d (…) 66, h 21, Andross Castle, Highland, Scotland
5,5-10
0,5-1,2
green
gray- or blue-green
alternate
March-April
dioecious
monosexual
2-4
2-4
insects
capsule (doosvrucht); 0,2-0,3 cm
<0,1
seed; .. cm
pappus: approx 0,5
..
June
wind, water
habitat
natural distribution
in N.W. Europe since
natural areas The Netherlands
geological landscape types The Netherlands
(Hoek 1997)
forested areas The Netherlands
area Netherlands
% of forest trees in the Netherlands
soil type
pH-KCl
soil fertility
light
shade tolerance
(0=no tolerance to 5=max. tolerance)
drought tolerance
(0=no tolerance to 5=max. tolerance)
waterlogging tolerance
(0=no tolerance to 5=max. tolerance)
plant communities in the Netherlands
management
status Europe
status The Netherlands
application
propagation
regeneration
optimal gap size for regeneration
first plantation Netherlands
resprouting after cutting
3
-1 -1
growth rate (M.A.I. in m ha j )
diseases
insects
wood
wood
wood structures key characteristics of pores
vol. mass heartwood (kg/m3)
2
elastic modulus (N/mm )
durability heartwood
heartwood color
sapwood color
contents
products
non-timber products
leaves and branches
bark
Europe, W. Asia, Atlas
.. B.C.
forests
river valleys; dune area; till plateau; coversand area; ice pushed ridges;
loess covered terraces
not a forest canopy tree
sandy and loamy soils
acid
nutrient moderate
light demanding
2.2
2.2
2.8
Klasse der wilgenbroekstruwelen:
-Salicetum auritae – associatie van Geoorde wilg
Klasse der Eiken-Beukenbossen op voedselrijke grond:
-Stellario-Carpinetum – Eiken-Haagbeukenbos (niet vermeld in Weeda)
Klasse der Eiken-Beukenbossen op voedselarme grond:
-Fago-Quercetum – Beuken-Eikenbos (niet vermeld in Weeda)
?
infrequent indigenous species
nature shrub
cuttings
planting; natural regeneration from seed
good
slow (data unknown)
Phytodecta viminalis – leaf beetle – Roodbruine wilgenhaantje
Trachys minuta – leaf beetle - Wilgenprachtkevertje
Willow (Dutch: wilgen)
fungus 5
white
white
none (small shrub)
for fodder
salicylic acid for medicinal purposes
Ülo Niinemets and Fernando Valladares. 2006. Tolerance to shade, drought, and waterlogging of temperate Northern Hemisphere
trees and shrubs. Ecological Monographs 76:521–547
Goat willow leaves
winter buds
Goat willow, fruiting shrub
photography 5x © Leo Goudzwaard, Wageningen University
female flowers
male pollen flowers
Goat willow, seedling
mature tree, winter silhouette, Wageningen
photography 2x © Leo Goudzwaard, Wageningen University
Thomé, 1885