Damasonium is a genus of six species of flowering plants in the family Alismataceae, commonly known as starfruit and by the older name thrumwort.
 The genus has a subcosmopolitan but very patchy distribution.
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.

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