Araucaria cunninghamii is an elegant tree that can reach a height of 30 meters. It belongs to the Araucariaceae family and is characterized by its striking upright columnar shape, which gives it a visually captivating appearance. Special care is recommended for these tall trees, including stability testing to ensure their safety. The flowering period of the Columnar Araucaria typically occurs between February and March, while the fruiting period takes place from March to May. 

Reference: https://www.greening.gov.hk/en/community-outreach/qrcode-tree-labels/index.html