 "B. epica"s flower spike is yellow or cream-yellow in colour, cylindrical, 9 to 17 centimetres (– inches) tall and around 6 centimetres ( inches) in diameter.In bud, it may have green-grey or brownish pollen presenters, not unlike "B. robur" (swamp banksia).Each flower consists of a tubular perianth made up of four fused tepals, and one long wiry style.