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Department of Botany

Since 1980

Araucaria columnaris (G. Forst.) Hook.


Cook pine / Christmas Tree

   Botanical NameAraucaria columnaris (G. Forst.) Hook.
   SynonymsAraucaria lavoixii Silba; Araucaria cookii R.Br. ex Endl.
   Common NameEnglish: Cook pine, Christmas tree / Tamil: Christmas tree
   DistributionGlobal: Native to America and Pacific Islands. Introduced as ornamental in Temperate and stropical countries.
Indian: Throughout India
   DescriptionNarrowly conical tree grows up to 30-60m height, bark dark brown, rough, papery and peeling off in to thin strips, resin present. The horizontal branches are in whorls around the upright trunk. The branchlets are covered with small incurved, pointed tip, spirally arranged overlapping leaves. Young leaves are needle like and matured leaves are broader, triangular and scale like. Male cones are smaller, numerous at the tip of the branchlets, they scaly and foxtail like in appearance. Female cones are egg shaped, scally and large found on the upper branchlets.
   Flowering Fruiting periodOctober - December
   UsesCultivated in garden for its conical Arche structure.
   Medicinal UsesPlants used in the treatment of respiratory infection, rheumatism and ulcer dieses. It also possesses antimicrobial, neuro-protective, antiviral and anticoagulant properties.
   Tamil NameCook pine / Christmas Tree