Question: What type of plant are the Ceropegia and the Cassipourea?

Context paragraphs:
Cassipourea thomassetii: Cassipourea thomassetii is a species of plant in the Rhizophoraceae family.  It is endemic to Seychelles.  It is threatened by habitat loss.

Ceropegia: Ceropegia is a genus of plants within the family Apocynaceae, native to Africa, southern Asia, and Australia.  It was named by Carl Linnaeus, who first described this genus in volume 1 of his "Species plantarum", which appeared in 1753.  Linnaeus thought that the flowers looked like a fountain of wax.  From this the scientific name was derived: ‘"keros"’ meaning wax and ‘"pege"’ meaning fountain (Pooley, 1998).  They have many common names including lantern flower, parasol flower, parachute flower, bushman’s pipe, string of hearts, snake creeper, wine-glass vine, rosary vine, and necklace vine.

Ceropegia elegans: Ceropegia elegans is a plant species that belongs to the genus "Ceropegia".  It is endemic to India and Sri Lanka.

Cassipourea swaziensis: Cassipourea swaziensis (Swazi onionwood, Afrikaans: "Swazi-uiehout" ) is a species of plant in the Rhizophoraceae family.  It is found in South Africa and Swaziland.  It is threatened by habitat loss, and a protected tree in South Africa.

Cassipourea: Cassipourea is a genus of flowering plants in the family Rhizophoraceae.  There are about 40 species.  The genus is divided into several subgenera, based mainly on the structure of the flowers.

Ceropegia stapeliiformis: Ceropegia stapeliiformis is a flowering plant in the genus "Ceropegia" (Apocynaceae), native to South Africa and Swaziland.  Common names include Serpent Ceropegia, Snake creeper, and Slangkambro.

Ceropegia dichotoma: Ceropegia dichotoma (Spanish: "cardoncillo" ) is a flowering plant in the genus "Ceropegia" (Apocynaceae).  It is endemic to the Canary Islands, where it grows on Tenerife (Macizo de Anaga, Buenavista del Norte and Barranco del Infierno in Adeje), El Hierro, La Gomera, and La Palma in the Tabaibal-Cardonal zone at up to about 600 m altitude.  It was first described in 1812.

Ceropegia fusca: Ceropegia fusca is a flowering plant in the genus "Ceropegia" (Apocynaceae).  It is endemic to the Canary Islands, where it grows on Tenerife (especially the Macizo de Anaga area), Gran Canaria, and La Palma in the Tabaibal-Cardonal zone at up to about 600 m altitude.

Ceropegia sandersonii: Ceropegia sandersonii is a species of flowering plant in the genus "Ceropegia" (Apocynaceae), native to Mozambique, South Africa, and Swaziland.  Common names are parachute plant, fountain flower, and umbrella plant.

Ceropegia woodii: Ceropegia woodii is a flowering plant in the genus "Ceropegia" (Apocynaceae), native to South Africa, Swaziland, and Zimbabwe.  It is sometimes treated as a subspecies of the related "Ceropegia linearis", as "C. linearis" subsp.  "woodii".  Common names include chain of hearts, collar of hearts, string of hearts, rosary vine, hearts-on-a-string and sweetheart vine.

Supporting paragraphs: Ceropegia Cassipourea
Answer: flowering