Apocynoideae is a subfamily of the flowering plant family Apocynaceae, also called the 'dogbane' or milkweed family, containing about 860 species across 78 genera. Several are of pharmacological interest; Strophanthus has furnished highly effective arrow poisons, due to their cardiac glycoside content. Apocynoideae also includes many popular landscaping and ornamental species, one of the best-known, and most infamous, being the oleander ; the subfamily also contains remarkable pachycaul genera like Adenium and Pachypodium.
Apocynoideae
Strophanthus speciosus
Nerium oleander
Chonemorpha fragrans
Apocynaceae is a family of flowering plants that includes trees, shrubs, herbs, stem succulents, and vines, commonly known as the dogbane family, because some taxa were used as dog poison. Members of the family are native to the European, Asian, African, Australian, and American tropics or subtropics, with some temperate members. The former family Asclepiadaceae is considered a subfamily of Apocynaceae and contains 348 genera. A list of Apocynaceae genera may be found here.
Apocynaceae
Alstonia scholaris, arrangement of leaves
Rhigospira quadrangularis, portion of a plant. 1) the inflorescence and 2) a flower, to scale; 3) corolla in bud, showing the pyramidal form of the erect segments in aestivation and 4) the same cut open when expanded, showing their simple sinistrorse convolution and the nearly basal position of the stamens, both magnified; 5) the calyx, disk, very short style, clavuncle, and stigmata, to scale; 6) the same, magnified; 7) a stamen, much magnified.
Acokanthera oblongifolia