Basic Civil Engineering first year Notes- Chapter 4 Building.pptx
Araucaria Pine
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17. ARAUCÁRIA TREE
(Araucaria angustifolia)
*CHARACTERISTICS:
High trees with 20m-25m of height,cylindrical trunk
with thick and rough bark and diameter between
90cm-180cm.The leaves are simple,lanceolate,glabrous,
leathery, dark green, with spiny apex measuring 3cm-
6cm long and 10 mm wide.Young trees have a conical
shaped crown and adult trees have a characteristic cup
shape crown.Flowers of male trees are distributed in
terminal streight cones.The female trees have flowers
distributed in cones at the apex of the branches
protected by numerous leaves too much near from each
other, each cone with 100-150 seeds(pinions).
*OCCURRENCE : Minas Gerais & Rio de Janeiro to
Rio Grande do Sul.
*HABITAT : Forest of “Araucária”.
*PROPAGATION : Seeds(pinions).
18. *WOOD : Soft,light and no durable when exposed to weather.
*FLOWERING : September-October.
*FRUITING : April-May.
*THREATS : Extinction by habitat destruction and indiscriminate
exploration.
*UTILITIES : Nowadays,the “Araucária”tree exploration is
controlled by the Brazilian Government. The trees are used
in paper production and for furniture making.The seeds are
used as human food . Because of its size,the “Araucária” tree
is used in the composition of parks and gardens.
*OTHER NAMES : Pine,Brazilian Pine, Monkey Pine, Paraná Pine,
“Caiová” Pine, “Curí”, “Curiuva”, “São José” Pine,Missions Pine.
19.
20.
21.
22.
23. CREDITS :
*IMAGES : Internet &
own archive.
*TEXT : Search on
Internet .
*MUSIC : “Flight of
Fantasy”,from : Yanni.
24. Copyrights to all images
&
music belong to the
original authors.
CREATED by LUCIANA
