Brillantaisia is a genus of plant in family Acanthaceae.
 They are native to the African tropics and subtropics, including Madagascar.
 They may grow from 20 cm to 2 m in height.
 Their hirsute stems are square in cross-section and their heart-shaped leaves have an opposite arrangement.
 Their purple or white pea-like flowers produce long, cigar-shaped seed pods.
 They reproduce easily from seeds or vegetatively.
 One species, "B. lamium", is invasive in Queensland.
Abeliophyllum, also miseonnamu, Korean abeliophyllum, white forsythia, or Korean abelialeaf) is a monotypic genus of flowering plants in the olive family, Oleaceae.
 It consists of one species, Abeliophyllum distichum Nakai, endemic to Korea, where it is endangered in the wild, occurring at only seven sites.
 It is related to "Forsythia", but differs in having white, not yellow, flowers.

Question: Abeliophyllum and Brillantaisia, are types of what?
Answer: plants