Question: Are both Burchellia and Ixiolirion flowering plants?

Context paragraphs:
Ixiolirion: Ixiolirion is a genus of flowering plants native to central and southwest Asia, first described as a genus in 1821.  Recent classifications place the group in the monogeneric family Ixioliriaceae in the order Asparagales of the monocots.  In earlier systems of classification, it was usually placed in the family Amaryllidaceae.

Burchellia: Burchellia is a monotypic genus of flowering plants in the Rubiaceae family.  The genus contains only one species, viz.  "Burchellia bubalina", which is endemic to southern Africa: the Cape Provinces, KwaZulu-Natal and the Northern Provinces in South Africa, and Swaziland.  It is commonly known as "wild pomegranate" (English) or "wildegranaat" (Afrikaans).

Supporting paragraphs: Burchellia Ixiolirion
Answer: yes