 The genus <unk> has <unk> compound leaves — rows of leaflets emerge on either side of the axis of the leaf in a feather @-@ like or <unk> @-@ like pattern . Species are also non @-@ spiny <unk> and includes both large trees with stout stems up to 30 metres ( 98 ft ) tall and <unk> <unk> ( one which lack an <unk> stem ) . The number of leaves per individual varies from about three to thirty @-@ five ; larger plants tend to have more and longer leaves . 
