Species: Thujopsis dolabrata (L. f.) Siebold et Zucc.

(Thujopsis dolabrata (L. f.) Siebold et Zucc.)
-> Genus: Thujopsis -> Family: Cupressaceae -> Group: Gymnosperms

Habitus

  • in its homeland (Japan) it grows to a height of 25 - 30 m
  • in our country it is often only as a shrub
  • branches grow in piglets
  • the bork is reddish-brown cracked into thin longitudinal plates

Leaves (assimilation organs)

  • assimilation organs (leaves) are  scaly
  • leaves grow in opposite pairs (overlapping in a tiled way)
  • the upper side is dark green, glossy
  • the central scales are bluntly terminated - they deviate only slightly from the shoot, on the underside they have two narrower chalky-white stripes
  • the lateral scales deviate more from the shoot and have one wider (distinctive) chalky-white stripe on the underside
  • Compared to thuja and cypress, the leaves are noticeably wider and with a more pronounced white pattern on the underside

Flowers

  • it is a monoecious woody plant, flowers are multisexual (cone-shaped)

Fruits – seeds

  • the fruit is a cone, 12-15 mm in size, broadly ovate to spherical

Extension

  • it is originally widespread in Japan on the islands of Honshu, Shikoko and Kyushu in mountain forests at altitudes of 600 - 1,800 m above the sea level
  • it forms homogeneous, but also mixed stands with the Cypress (Chamaecyparis obtusa), the Pea-bearing Cypress (Chamaecyparis pisifera), the Japanese Larch (Larix kaempferi),  (Sciadopitys verticillata) and other species
  • in Slovakia it occurs only as a cultivated species

Ecology

  • it is semi-woody woody plant
  • it requires moister soils and higher air humidity
  • it is relatively sensitive to low temperatures
  • it grows relatively slowly

Significance

  • it is decorative woody plant (shrub) with white bands on the underside of the scales
  • Various forms are known – in shape and color
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