sentences:  It has leaves that are long and wide and deeply serrated with between five and eight triangular, sharply pointed lobes on each side.The perianth is yellow, long and the pistil long.Specimens of "B. armata" were first collected in 1801, and the description was published in 1810 in the "Transactions of the Linnean Society of London" by Robert Brown as "Dryandra armata".