1	"Leaf lobes oblanceolate or oblong"	"Grevillea petrophiloides subsp. petrophiloides"
1	"Leaf lobes subterete to linear or linear-trigonous"	2
2	"Peduncles (and usually branchlets) strongly glaucous; fruit surface usually with many erect simple glandular hairs 0.9–1.2 mm long"	"Grevillea petrophiloides subsp. magnifica"
2	"Peduncles and branchlets not glaucous; fruit surface glabrous or with erect simple glandular hairs c. 0.3–0.6 mm long"	3
3	"Leaves with 3–9 primary lobes, usually > 10 ultimate lobes; style usually pink to reddish, drying to red-brown, or rarely perianth and style white; fruit surface glabrous or glandular-pubescent, pustules viscid"	"Grevillea petrophiloides subsp. petrophiloides"
3	"Leaves usually with 3 primary lobes, ≤ 10 ultimate lobes; style white to pale pink, drying to straw-coloured; fruit surface glabrous, pustular craters ?not viscid"	"Grevillea petrophiloides subsp. remota"