Populus tremula L.

European aspen (en), Peuplier tremble (fr), Peuplier Tremble (fr), Tremble (fr)

Species

Angiosperms > Malpighiales > Salicaceae > Populus

Characteristics

Tree to c. 16 m high, often suckering profusely, widespreading, almost glabrous. Bark greenish or yellowish green, rather smooth, except near base. Shoots dark, slightly hairy at first, slightly angular when young, otherwise terete. Buds not viscid, glabrous. Young lvs not aromatic. Lvs hairy at first, soon glabrous. Petiole 2-7 cm long, strongly flattened. Lamina 2.5-12 × 3-12 cm, broad-ovate to suborbicular, sometimes broader than long, green above and glaucescent or glaucous below; margin without translucent band, coarsely crenate-serrate or crenate-dentate, with teeth often curved; base truncate to subcordate, sometimes with 2 glands; apex acute. Catkins ♂, to 10 cm long, pendulous. Rachis densely hairy. Bracts 2.5-4 mm long excluding oblong to triangular teeth, brown, densely fringed with long silky hairs. Cup-shaped disc 1.5-2.5 mm deep, oblique, glabrous. Stamens mostly 6-10; filaments very short; anthers purple.
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Trees to 20 m tall; bark grayish green, smooth, irregularly fissured or scabrous at base of trunk; crown globose, open. Branchlets grayish brown, terete; 1-year-old branchlets reddish brown, shiny, glabrous or pubescent. Buds ovoid-globose. Petiole compressed, ca. as long as leaf blade; leaf blade suborbicular, 3-7 cm, both surfaces glabrous, or pilose at first, base truncate, rounded, or shallowly cordate, margin with remotely sinuous teeth or crenate, apex obtuse-rounded, rarely apiculate. Sprouts with leaf blade larger, deltoid-ovate-orbicular, base cordate or truncate, margin crenate-serrate. Male catkin 5-8 cm; rachis pubescent. Male flower: stamens 5-10 or more. Female catkin 4-6 cm, to 10 cm in fruit. Capsule narrowly conical, glabrous, 2-valved, subsessile. Fl. Apr, fr. May. 2n = 38.
A small tree. It grows 15 m high and spreads 10 m wide. The bark is dark grey and cracked. The leaves are grey-green. They tremble in the breeze. They are finely hairy and whiter underneath. The leaves turn yellow and orange in autumn.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention deciduous
Sexuality dioecy
Pollination anemogamy
Spread anemochory
Mature width (meter) 10.0
Mature height (meter) 18.0
Root system creeping-root
Rooting depth (meter) -
Root diameter (meter) 1.7
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Found in open woodlands and scrubby heathland, usually on poorer soils where it is sometimes dominant.
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It is a temperate plant. It suits hardiness zones 2-9.
Light 6-9
Soil humidity 3-8
Soil texture 1-5
Soil acidity 4-8
Soil nutriment -
Hardiness (USDA) 2-7

Usage

The wood and sawdust are used to smoke meat and also used as an ingredient in bread and for vinegar.
Uses charcoal environmental use fuel material medicinal wood
Edible barks saps
Therapeutic use Leucorrhea (unspecified), Tumor (unspecified), Vermifuge (unspecified), Gout (unspecified)
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by cuttings, seedlings or suckers.
Mode cuttings seedlings suckers
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -45
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Habit

Populus tremula habit picture by Anže Kališnik (cc-by-sa)
Populus tremula habit picture by Rory O'Conor (cc-by-sa)
Populus tremula habit picture by Martin Lukac (cc-by-sa)

Leaf

Populus tremula leaf picture by isa del (cc-by-sa)
Populus tremula leaf picture by Berkay Helvaci (cc-by-sa)
Populus tremula leaf picture by Emmanuel Cervelle (cc-by-sa)

Flower

Populus tremula flower picture by gabrial erismann (cc-by-sa)
Populus tremula flower picture by laetitia pailhers (cc-by-sa)
Populus tremula flower picture by Elke Seckler (cc-by-sa)

Fruit

Populus tremula fruit picture by Jeroen De Pee (cc-by-sa)
Populus tremula fruit picture by etienne2c (cc-by-sa)
Populus tremula fruit picture by Jan Tomáš (cc-by-sa)

Distribution

Populus tremula world distribution map, present in Albania, Andorra, Armenia, Austria, Azerbaijan, Belgium, Bulgaria, Bosnia and Herzegovina, Belarus, Bhutan, Canada, Switzerland, China, Czech Republic, Germany, Denmark, Algeria, Spain, Estonia, Finland, France, United Kingdom of Great Britain and Northern Ireland, Georgia, Greece, Croatia, Hungary, Iceland, Italy, Kazakhstan, Kyrgyzstan, Lebanon, Liberia, Liechtenstein, Lithuania, Luxembourg, Latvia, North Macedonia, Montenegro, Mongolia, Netherlands, Norway, Nepal, New Zealand, Poland, Portugal, Romania, Russian Federation, Serbia, Slovakia, Slovenia, Sweden, Tajikistan, Turkey, Ukraine, United States of America, and South Africa

Conservation status

Populus tremula threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:302387-2
WFO ID wfo-0000928205
COL ID 4LVQY
BDTFX ID 52056
INPN ID 115156
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Populus duclouxiana Populus repanda Tremula vulgaris Populus rotundifolia Populus microcarpa Populus pseudotremula Populus bonatii Populus australis Populus villosa Populus rotundifolia var. bonati Populus tremula var. australis Populus rotundifolia var. duclouxiana Populus tremula var. repanda Populus tremula

Lower taxons

Populus tremula var. davidiana Populus tremula var. sieboldii