The Apocynaceae in Materia Medica, cont'd.

Botanical name: 
Allamanda
Willoughbya
Allamanda cathartica
Alstonia scholaris
Ancylobotrys petersiana
Aspidosperma quebracho-blanco
Calotropis gigantea
Geissospermum laeve
Hancornia speciosa
Landolphia gummifera
Landolphia kirkii
Landolphia owariensis
Pentalinon luteum
Urceola elastica
Allamanda schottii
Tabernaemontana peschiera
Mandevilla longiflora
Landolphia heudelotii
Saba senegalensis
Saba comorensis

Classic texts: Journals: AJP 1895.

Urceola elastica Roxb.
Engl.: Borneo caoutchouc.