Cryptostegia

Rubber vines
C. madagascariensis
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Gentianales
Family: Apocynaceae
Subfamily: Periplocoideae
Genus: Cryptostegia
R.Br.
Species

See text

Native range of genus
  C. madagascariensis, glabrous form
  C. madagascariensis, hirsute form
  C. madagascariensis (hirsute form) in sympatry with C. grandiflora
  C. grandiflora

Cryptostegia is a genus of flowering plants native to tropical Africa and Madagascar. The genus is in the family Apocynaceae.