About Grevillea parallela Knight
Grevillea parallela (scientific name Grevillea parallela Knight) is a single-stemmed shrub or tree that typically reaches 2.5โ15 m (8 ft 2 in โ 49 ft 3 in) in height. It has dark, hard, furrowed bark and pendulous foliage. Its leaves are pinnatisect or pinnatipartite, 100โ400 mm (3.9โ15.7 in) long, with 3 to 10 erect, linear to strap-like lobes. These lobes measure 20โ200 mm (0.79โ7.87 in) long, 0.9โ10 mm (0.035โ0.394 in) wide, and are pale green-silvery grey. Flowers are usually arranged at the ends of branches in cylindrical clusters 60โ100 mm (2.4โ3.9 in) long. The blooms are white to cream-coloured or pale yellowish-green, with a pistil 13โ26 mm (0.51โ1.02 in) long. Flowering occurs mainly from June to October, and the fruit is an elliptic to lens-shaped follicle 14โ29 mm (0.55โ1.14 in) long. Also commonly called silver oak, this species is found in northern Australia: the Kimberley region of Western Australia, the top end of the Northern Territory, and northern and central areas of Queensland. It grows in a range of soil types derived from laterite, sandstone or granite. It is usually a component of open forest or woodland ecosystems with a grassy understorey. Associated species include bloodwoods Corymbia polycarpa, C. tessellaris and C. nesophila, other eucalypts including Eucalyptus tetrodonta, E. miniata and E. platyphylla, plus Melaleuca viridiflora and Planchonia careya.