Native to Australia, but now cultivated in Northern America.
The genus contains 250 species, ranging from shrubs to forest trees. The main allergenic species belong to the section Eugrevillea. Most have pinnate or pinnatisect leaves and the heads of toothbrush-like flowers range in colour from red to yellow, cream and white. Grevillea Robyn Gordon grows as a shrub 1 m tall and 3 meters wide. It is one of the most popular plants in Australia.
Ornamental plant. Aboriginal Australians used a secretion from the plant to scarify their bodies.
Dermatitis has been reported in gardeners, from wearing leis (garlands), and from contact with sawdust. Acute urticaria has been reported with G. juniperina. Grevillea Robyn Gordon has most commonly been reported to cause allergic contact dermatitis/bullouseruption. It seems to cross react with toxicodendron spp (poison ivy, rhus tree)
Cross-reacts with toxicodendron, anarcardaceae species including poison ivy, mango, rhus tree, etc.
0.1% ethanol extract of flower in petrolatum.
Apted J. Acute contact urticaria from Grevillea juniperina. Contact Dermatitis. 1988 Feb;18(2):126.