Picea Engelmannii Parry ex Engelm.

Species: Picea Engelmannii Parry ex Engelm., Genus: Picea, Family: Pinaceae, Group: Gymnosperms

(Picea Engelmannii Parry ex Engelm.)

-> Genus: Picea -> Family: Pinaceae -> Group: Gymnosperms

Habitus

tree growing to a height of 30 - 50 m
crown is narrow, conical, densely branched, the branches diverge almost vertically from the trunk
the bark is cinnamon brown
the bork is reddish brown, cracked into thin irregular plates

Leaves (assimilation organs)

the assimilation organs are needle-like, 15 – 25 x 1,5 – 2 mm in size, terminal, but soft, square in cross-section
morphologically they are similar to the needles of the Picea pungens, but they are thinner and not so prickly
on the upper side they are slightly pressed against the twig and point diagonally forward, otherwise they stick out on all sides
they stay on the twig for 10 - 15 years

Flowers

wood monoecious, flowers of different sexes, blooms IV – V
♂ cones are pink to purple, grow from buds in the axils of needles
♀ cones are oblong-ovoid, red to pinkish green, grow from buds at the end of twigs

Picea Engelmannii (Engelmann spruce) - ♂ cones

Fruits – seeds

fruit is a cone , 40 – 70 x 25 – 30 mm large, cylindrical, yellow-brown
seed scales are thin, at the end ± round
ripens VIII – IX
seed is ovoid, dark brown to black, 2 – 3 mm large, membranous wing is 8 – 10 mm long

Picea Engelmannii (Engelmann spruce) - seed

Picea Engelmannii (Engelmann spruce) - cone

Extension

it is originally widespread in the western part of the North American continent at altitudes of 700 – 3,500 (3,800) m above the sea level up to the upper border of the forest
forms homogeneous but also mixed stands
was introduced to Europe in 1864

Ecology

is demanding on soil and air moisture, grows well in areas with a continental climate
is resistant to low temperatures
grows slowly

Significance

decorative habit (similarly such as prickly spruce)
creates different colored forms

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