Definitions:
" any of various white- or cream-flowered shrubs of the genus philadelphus (family hydrangeaceae); especially p. coronarius, native to southern europe and south-west asia and cultivated in numerous ornamental varieties and hybrids; also called mock orange.

any of several south american trees of the genus hevea (family euphorbiaceae) which yield latex from which natural rubber is made; especially the para rubber tree, h. brasiliensis, of the amazon basin. also: this rubber itself. frequently attributive, especially in ""seringa rubber"", ""seringa tree"".

"