Landolphia

Landolphia plants contain a milky latex which exudes when the young bark or unripe fruit are damaged. The fruit is recorded as being edible, yellow when ripe, and the size of a large orange.

Mann's Landolphia [English]: Landolphia mannii
Mann's Lespedeza [English]: Lespedeza manniana
Mann's Phyllostegia [English]: Phyllostegia mannii
Manna [English]: Fraxinus ornus
Manna Ash [English]: Fraxinus ornus ...

Landolphia; and fiber, e.g., Indian hemp, is retted from north temperate species of Apocynum, the dogbane genus (not to be confused with the Indian hemp plant, Cannabis). Some dogbanes are ornamentals, e.g.

Willughbeieae - 18/130: Landolphia (60). Synonymy: Willughbieaceae J. Agardn
Synonymy (not checked): Carissaceae Bertolini, Cerberaceae Martynov, Ophioxylaceae Martius, Pacouriaceae Martynov, Plumeriaceae Horaninow ...

See also: Rubber