Seeds can be purchased at rarepalmseeds.comThe fruits (dates) of the Canary Island Palm are about the size of olives or large grapes (just under an inch long or 2cm). The hang in clusters with individual dates lined up along multiple strings that comprise the cluster.
The leaves are long (12-20 inches) and quite pointy on the end. Towards the base of the frond the leaves are so short and spiky that they look a lot like thorns (bottom picture). Some Canary Island Palms can become very loaded with fruit as can be seen in the image below. All of these images were taken of palms in the southern Spain city of Malaga.