Question: Damasonium and Brillantaisia, are types of what?

Context paragraphs:
Damasonium: 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: 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.

Supporting paragraphs: Damasonium Brillantaisia
Answer: plants