Botanical name: Grevillea robusta Family: Proteaceae (Silver oak family)
Reaching a height of 75 feet or more with a 25-foot spread, Silver Oak is pyramidal to oval in shape, eventually developing a few heavy horizontal limbs and a thick trunk. It is a fast growing evergreen tree, between 18-35 m tall with dark green delicately dented bipinnatifid leaves reminiscent of a fern frond. These leaves are generally 15-30 cm long with silvery undersides. Its flowers are golden-orange bottlebrush-like blooms, between 8-15 cm long, in the spring, on a 2-3 cm long stem. A great quantity of leaves fall in the spring immediately preceding the emergence of new growth and leaves also fall sporadically throughout the year, creating quite a litter problem to some people. Black, leathery seed capsules follow the flowers.
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The flower labeled Silver Oak is ...