Species: Larix kaempferi (Lamb.) Carrière

(Larix kaempferi (Lamb.) Carrière)
-> Genus: Larix -> Family: Pinaceae -> Group: Gymnosperms

Habitus

  • tree growing to a height of 30 m
  • morphologically similar to deciduous larch

Buds

  • buds are conical, about 3 mm in size, reddish-brown, shiny, resinous

Shoots

  • annuals are bronze brown to reddish (as if frosted)

Leaves (assimilation organs)

  • needle-shaped, needles are 20 - 35 x 1 - 1.5 mm large, soft, bluish-green on the underside with indistinct light bands of stomata
  • they grow on annuals individually in a spiral
  • they grow on brachyblasts in bundles of 40 – 50
  • in autumn they turn yellow and fall off

Flowers

  • monoecious tree, with flowers of different sexes
  • blooms III – IV
  • flowers are morphologically similar to the flowers of Larix decidua
  • male (♂) cones broadly ovoid, yellow, grow from brachyblasts on the underside of the branch
  • female (♀)  cones are almost spherical, green, the supporting scales are yellowish to reddish with a curved top (they also grow from brachyblasts)

Fruits – seeds

  • the fruit is a cone 2 - 3 cm large, almost spherical, brown
  • seeded  scales are long with the edge curved towards the base of the cone !
  • ripens IX – X

Extension

  • originally in Japan on the island of Honshu from 1,300 to 2,700 m a.s.l
  • it was introduced to Europe in 1861
  • in the territory of Slovakia it is only found as a cultivated species

Ecology

  • less light-demanding (than other larches), requires higher soil moisture
  • in Slovakia it is resistant to low temperatures
  • it grows quickly

Significance

  • as a park tree
  • it  tolerates the urban environment well
  • decorative with fresh greenery, recoloring needles in autumn, pine cones
  • a twisted form - tortuosa is often grown
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