Description Grevillea tetragonoloba is an erect to spreading dense shrub with red or brown toothbrush-shaped clusters of flowers from June to November. Leaves are 60mm -130mm long and dissected into lobes 30mm - 75mm long and 1mm - 1.5mm wide. Leaf margins are down curved, enclosing the lower surface of the leaf blade, forming two grooves with the midvein. Fruit are ovoid and 10mm - 15mm long.