Which palms provide the best cut-foliage to be used in flower bouquets?

The foliage of the following palms is suitable for this purpose and can be stored at low temperatures when being shipped with cut flowers. Also, they produce a reasonable quantity of leaves per year: Caryota mitis, most Chamaedorea ssp., Phoenix roebelenii, most Rhapis ssp., Wallichia densiflora.