Brazilian pine (scientific name: Araucaria? Angustifolia) is a Araceae plant, also known as Paranasone. Although it is called "pine", it is not a pine tree. ? Matsubara brasiliensis is produced in southern Brazil, especially in Paraná, and grows in the low mountain area with an altitude of 500- 1800 meters, covering a total area of about 233,000 square kilometers.

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characteristic

Evergreen trees, can grow up to 40 meters, DBH 1 meter. The leaves are scaly, triangular, 3-6 cm long, 5- 10 mm wide at the bottom and sharp at the edge. Leaves can grow for 10- 15 years, covering most trees except trunk and old branches. ? Dioecious, male and female cones are on different trees. The male cone (pollen) is oval, initially 6 cm long, and when the pollen is released for a long time, it is 10- 18 cm long and 15-25 mm wide. Female cones (seeds) mature in autumn after fertilization 18 months, spherical, with a diameter of 18-25 cm, containing 100- 150 seeds, about 5 cm long, and the cones are broken and released after maturity.

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use

The seeds are like big pine nuts, which are edible. The annual output of Brazil is about 3,400 tons.