Are  Ixia and Billbergia both flowering plants?
Ixia The genus Ixia consists of a number of cormous plants native to South Africa from the Iridaceae family and Ixioideae subfamily. Some of them are known as the corn lily. Some distinctive traits include sword-like leaves and long wiry stems with star-shaped flowers. It usually prefers well-drained soil. The popular corn lily has specific, not very intense fragrance. It is often visited by many insects such as bees. The "Ixia" are also used sometimes as ornamental plants.
Billbergia manarae Billbergia manarae is a species in the genus "Billbergia". This species is endemic to Venezuela.