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Araucaria heterophylla (synonym A. excelsa) is a species of conifer.As its vernacular name Norfolk Island pine (or Norfolk pine) implies, the tree is endemic to Norfolk Island, an external territory of Australia located in the Pacific Ocean between New Zealand and New Caledonia.
Norfolk Island Pine Plant Basic Info: Common Name: Norfolk Island pine, Norfolk pine, Australian Pine. Botanical Name: Araucaria heterophylla. Plant Family: Araucariaceae. Type of Plant: Tree ...
Leaf flush in an Actinodaphne tree showing young whitish leaves turning pale green against the darker green mature leaves. A Canarium strictum tree in red leaf flush. Leaf flushing or leaf out is the production of a flush of new leaves typically produced simultaneously on all branches of a bare plant or tree. Young leaves often have less ...
Norfolk Island Pine Plant Basic Info: Common Name: Norfolk Island pine, Norfolk pine, Australian Pine. Botanical Name: Araucaria heterophylla. Plant Family: Araucariaceae. Type of Plant ...
The pinnate leaves are 3 to 4 m long, on a stout, erect petiole (leafstem) approximately 20 cm long. The crownshaft is 50–60 cm long. The inflorescence is 30 50 cm long and has from 50 to 60 fairly stout branches. The fruits are green at first, turning a bright red when ripe, and are a favorite food of the endangered Norfolk Island parakeet ...
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Pine-pine gall rust, also known as western gall rust, is a fungal disease of pine trees. It is caused by Endocronartium harknessii (asexual name is Peridermium harknessii ), an autoecious , endocyclic , rust fungus that grows in the vascular cambium of the host. [ 1 ]
Porodaedalea pini, commonly known as the pine conk, [1] is a species of fungus in the family Hymenochaetaceae. It is a plant pathogen that causes tree disease commonly known as "red ring rot" or "white speck". This disease, extremely common in the conifers of North America, decays tree trunks, rendering them useless for lumber. [2]