European Larch (
Larix decidua) is a species of
larchLarches are conifers in the genus Larix, in the family Pinaceae. They are native to much of the cooler temperate northern hemisphere, on lowlands in the far north, and high on mountains further south. Larches are among the dominant plants in the immense boreal forests of Russia and Canada.They are...
native to the mountains of central
EuropeEurope is, by convention, one of the world's seven continents. Comprising the westernmost peninsula of Eurasia, Europe is generally divided from Asia to its east by the water divide of the Ural Mountains, the Ural River, the Caspian Sea, the Caucasus Mountains , and the Black Sea to the southeast...
, in the
AlpsThe Alps are one of the great mountain range systems of Europe, stretching from Austria and Slovenia in the east; through Italy, Switzerland, Liechtenstein and Germany; to France in the west....
and
CarpathiansThe Carpathian Mountains or Carpathians are a range of mountains forming an arc roughly long across Central and Eastern Europe, making them the largest mountain range in Europe...
, with disjunct lowland populations in northern
PolandPoland , officially the Republic of Poland , is a country in Central Europe . Poland is bordered by Germany to the west; the Czech Republic and Slovakia to the south; Ukraine, Belarus and Lithuania to the east; and the Baltic Sea and Kaliningrad Oblast, a Russian exclave, to the north...
and southern
LithuaniaLithuania , officially the Republic of Lithuania is a country in Northern Europe, the southernmost of the three Baltic states. Situated along the southeastern shore of the Baltic Sea, it shares borders with Latvia to the north, Belarus to the southeast, Poland, and the Russian exclave of...
.
L. decidua is a medium-size to large
deciduousDeciduous means falling off at maturity or tending to fall off and is typically used in reference to trees or shrubs that lose their leaves seasonally and to the shedding of other plant structures such as petals after flowering or fruit when ripe...
coniferousThe conifers, division Pinophyta, also known as division Coniferophyta or Coniferae, are one of 13 or 14 division level taxa within the Kingdom Plantae. Pinophytes are gymnosperms. They are cone-bearing seed plants with vascular tissue; all extant conifers are woody plants, the great majority...
treeA tree is a perennial woody plant. It is most often defined as a woody plant that has many secondary branches supported clear of the ground on a single main stem or trunk with clear apical dominance. A minimum height specification at maturity is cited by some authors, varying from 3 m to...
reaching 25-45 m tall, with a trunk up to 1 m diameter (exceptionally, to 55 m tall and 2 m diameter). The crown is conic when young, becoming broad with age; the main branches are level to upswept, with the side branches often pendulous.
European Larch (
Larix decidua) is a species of
larchLarches are conifers in the genus Larix, in the family Pinaceae. They are native to much of the cooler temperate northern hemisphere, on lowlands in the far north, and high on mountains further south. Larches are among the dominant plants in the immense boreal forests of Russia and Canada.They are...
native to the mountains of central
EuropeEurope is, by convention, one of the world's seven continents. Comprising the westernmost peninsula of Eurasia, Europe is generally divided from Asia to its east by the water divide of the Ural Mountains, the Ural River, the Caspian Sea, the Caucasus Mountains , and the Black Sea to the southeast...
, in the
AlpsThe Alps are one of the great mountain range systems of Europe, stretching from Austria and Slovenia in the east; through Italy, Switzerland, Liechtenstein and Germany; to France in the west....
and
CarpathiansThe Carpathian Mountains or Carpathians are a range of mountains forming an arc roughly long across Central and Eastern Europe, making them the largest mountain range in Europe...
, with disjunct lowland populations in northern
PolandPoland , officially the Republic of Poland , is a country in Central Europe . Poland is bordered by Germany to the west; the Czech Republic and Slovakia to the south; Ukraine, Belarus and Lithuania to the east; and the Baltic Sea and Kaliningrad Oblast, a Russian exclave, to the north...
and southern
LithuaniaLithuania , officially the Republic of Lithuania is a country in Northern Europe, the southernmost of the three Baltic states. Situated along the southeastern shore of the Baltic Sea, it shares borders with Latvia to the north, Belarus to the southeast, Poland, and the Russian exclave of...
.
Description
L. decidua is a medium-size to large
deciduousDeciduous means falling off at maturity or tending to fall off and is typically used in reference to trees or shrubs that lose their leaves seasonally and to the shedding of other plant structures such as petals after flowering or fruit when ripe...
coniferousThe conifers, division Pinophyta, also known as division Coniferophyta or Coniferae, are one of 13 or 14 division level taxa within the Kingdom Plantae. Pinophytes are gymnosperms. They are cone-bearing seed plants with vascular tissue; all extant conifers are woody plants, the great majority...
treeA tree is a perennial woody plant. It is most often defined as a woody plant that has many secondary branches supported clear of the ground on a single main stem or trunk with clear apical dominance. A minimum height specification at maturity is cited by some authors, varying from 3 m to...
reaching 25-45 m tall, with a trunk up to 1 m diameter (exceptionally, to 55 m tall and 2 m diameter). The crown is conic when young, becoming broad with age; the main branches are level to upswept, with the side branches often pendulous. The shoots are dimorphic, with growth divided into long shoots (typically 10-50 cm long) and bearing several
budthumb|right|Flower buds have not yet bloomed into a full-size flower.In botany, a bud is an undeveloped or embryonic shoot and normally occurs in the axil of a leaf or at the tip of the stem...
s, and short shoots only 1-2 mm long with only a single bud. The
leavesIn botany, a leaf is an above-ground plant organ specialized for photosynthesis. For this purpose, a leaf is typically flat and thin. There is continued debate about whether the flatness of leaves evolved to expose the chloroplasts to more light or to increase the absorption of carbon dioxide. In...
are needle-like, light green, 2-4 cm long which turn bright yellow before they fall in the autumn, leaving the pale yellow-buff shoots bare until the next spring.
The
conesA cone is an organ on plants in the division Pinophyta that contains the reproductive structures. The familiar woody cone is the female cone, which produces seeds. The male cones, which produce pollen, are usually herbaceous and much less conspicuous even at full maturity...
are erect, ovoid-conic, 2-6 cm long, with 30-70 erect or slightly incurved (not reflexed) seed scales; they are green variably flushed red when immature, turning brown and opening to release the
seedA seed , referred to as a kernel in some plants, is a small embryonic plant enclosed in a covering called the seed coat, usually with some stored food. It is the product of the ripened ovule of gymnosperm and angiosperm plants which occurs after fertilization and some growth within the mother plant...
s when mature, 4–6 months after pollination. The old cones commonly remain on the tree for many years, turning dull grey-black.
It is very cold tolerant, able to survive winter temperatures down to at least -50°C, and is among the tree line trees in the Alps, reaching 2400 m altitude, though most abundant from 1000-2000 m. It only grows on well-drained soils, avoiding waterlogged ground.
The seeds are an important food for some
birdBirds are winged, bipedal, endothermic , vertebrate animals that lay eggs. There are around 10,000 living species, making them the most numerous tetrapod vertebrates. They inhabit ecosystems across the globe, from the Arctic to the Antarctic. Birds range in size from the Bee Hummingbird to the ...
s, notably
SiskinThe Eurasian Siskin is a small passerine bird in the finch family Fringillidae. It is very common throughout Europe and Asia. It is found in forested areas, both coniferous and mixed woodland where it feeds on seeds of all kinds, especially of alder and conifers.This bird breeds across northern...
,
Lesser RedpollThe Redpolls are a group of small passerine birds in the finch family Fringillidae which have characteristic red markings on their heads. They were formerly placed into the genus Acanthis together with the linnets and the twite, but their closest relatives are actually the crossbills, that are...
and
Citril FinchThe Citril Finch is a small songbird, a member of the true finch family Fringillidae. For a long time, this cardueline finch was placed in the genus Serinus, but it is apparently very closely related to the European Goldfinch .This bird is a resident breeder in the mountains of southwestern Europe...
, while the buds and immature cones are eaten by
CapercaillieThe Western Capercaillie , also known as the Wood Grouse, Heather Cock or Capercaillie is the largest member of the grouse family, reaching over 100 cm in length and 4 kg in weight...
. European Larch needles are the only known food for
caterpillarCaterpillars are the larval form of a member of the order Lepidoptera . They are mostly phytophagous in food habit, with some species being entomophagous. Caterpillars are voracious feeders and many of them are considered pests in agriculture...
s of the
case-bearer mothColeophoridae is a family of moths with about 1050 species, the vast majority belonging to the huge genus Coleophora...
Coleophora sibiricella.
Subspecies
There are two subspecies:
- Larix decidua subsp. decidua - European Larch or Alpine Larch. Most of the range, except as below. Cones 2.5-6 cm; shoots yellow-buff.
- Larix decidua subsp. polonica - Polish Larch. Disjunct in lowland northern Poland
Poland , officially the Republic of Poland , is a country in Central Europe . Poland is bordered by Germany to the west; the Czech Republic and Slovakia to the south; Ukraine, Belarus and Lithuania to the east; and the Baltic Sea and Kaliningrad Oblast, a Russian exclave, to the north...
. Cones 2-3 cm; shoots very pale yellow-buff, almost white.
Uses
The
woodWood is an organic material; in the strict sense wood is produced as secondary xylem in the stems of trees . In a living tree it transfers water and nutrients to the leaves and other growing tissues, and has a support function, enabling woody plants to reach large sizes or to stand up for themselves...
is tough and durable, but also flexible in thin strips, and is particularly valued for
yachtA yacht is a high end recreational boat. It designates two rather different classes of watercraft, sailing and power boats. Yachts are different from working ships mainly by their leisure purpose. It was not until the rise of the steamboat and other types of powerboat that sailing vessels in...
building; wood used for this must be free of knots, and can only be obtained from old trees that were
prunedPruning is the process of removing certain above-ground elements from a plant; in landscaping this process usually involves removal of diseased, non-productive, or otherwise unwanted portions from a plant. In nature, certain meteorological conditions such as wind, snow or seawater mist can conduct...
when young to remove side branches. Small larch poles are widely used for rustic
fencingA fence is a freestanding structure designed to restrict or prevent movement across a boundary. It is generally distinguished from a wall by the lightness of its construction: a wall is usually restricted to such barriers made from solid brick or concrete, blocking vision as well as passage .Fences...
.
Invasive species
L. decidua is classed as a
wilding coniferWilding conifers, also known as wilding pines, are invasive tree species in the high country of New Zealand.In the South Island, they threaten 210,000 hectares of public land administered by the Department of Conservation and are also present on privately owned land and other public land such as...
, an
invasive species'Invasive species' is a phrase with several definitions. The first definition expresses the phrase in terms of non-indigenous species that adversely affect the habitats they invade economically, environmentally or ecologically...
which spreads into the high country of New Zealand. It was planted by the
New Zealand Forest ServiceThe New Zealand Forest Service was originally established in 1919 as he State Forest Service. The State Forest Service changed its name to the New Zealand Forest Service in 1949 at about the same time that the Forests Act of 1949 passed through Parliament....
for erosion control.