Species:

(Abies concolor Lindl. et Gord.)
-> Genus: Abies (Abies) -> Family: Pinaceae (Pinaceae) -> Group: Gymnosperms

Habitus

  • tree 30-40 m high
  • crown dense when young, conical, later cylindrical
  • branches in the whorls deviate from the trunk almost horizontally
  • bark is light gray
  • resin blisters on the bark!
  • ross is brownish gray, irregularly cracked, rough

Buds

  • buds are 3 - 5 x 2 - 3 mm in size, blunt terminal
  • wrapping scales are yellowish, resinous

Shoots

  • yellow-green, glabrous

Leaves (assimilation organs)

  • assimilation organs are needle-shaped, 50 - 80 x 2 - 2.5 mm in size, bluntly pointed, flat, grayish green, dull and the same color on both sides, sickle-shaped
  • last 4 - 6 years

Flowers

  • monoecious wood, blooms IV - V
  • male (♂) cones are oblong-ovoid, grow from the underside of last year's shoots
  • female (♀) cones are cylindrical to spindle-shaped, 30 - 50 x 10 mm in size, upright, grow on the upper side of the shoots in the 2 - 3 highest whorls of the crown

Fruits – seeds

  • the fruit is a cone 70 - 120 x 35 - 50 mm large, cylindrical, green before ripening, brown after ripening, ripens in October (falls apart after ripening - similar to the white fir)

Extension

  • in the territory of Slovakia it occurs only as a cultivated species
  • originally it is widespread in the western part of the North American continent from southern Oregon in the north to northern Mexico in the south
  • in the Rocky Mountains it grows in a range of 2,000-3,000 m

Ecology

  • semi-shade tree, undemanding to moisture, resistant to low temperatures, tolerates the urban environment well

Significance

  • in greening in parks, gardens as a decorative tree – mostly  with long needles, several forms are known - columnar, drooping, spherical with different colored needles