Within monocots, Acorales(the genus Acorus alone) are probably sister to all other monmcots. They have aromatic oils and some embryological features found in Austrobaileyales and the magnoliid group, and here are presumably primitive; they are subsequently lost. Alismatales, embryo logically distinct, are sister to the remaining monocots. Apart from Araceae (Anthurium: 4000