Description Grevillea 'Winpara Gem' is a dense shrub growing to 2m tall. The leaves are up to 6 cm long and deeply divided into lobes. The cultivar originated as a seedling on a property, "Winpara", at Jervois in South Australia. It is reported to be a hybrid between Grevillea thelemanniana and Grevillea olivacea. The spider flowers are red fading to orange, and are produced in clusters about 25 mm long. It was accepted for registration with Australian Cultivar Registration Authority (ACRA) in October 1988.