Bursaria spinosa spinosa" was first described by Antonio José Cavanilles in 1797. It is known by many common names, including Australian blackthorn, blackthorn, Christmas bush, mock orange, native blackthorn, native box, native olive, prickly box, prickly pine, spiny box, spiny bursaria, sweet bursaria, thorn box and whitethorn. Summer flowering has given rise to the name (Tasmanian) Christmas bush in Tasmania and South Australia (not to be confused with "Prostanthera lasianthos"). Indigenous names recorded include "kurwan" in Coranderrk, Victoria, and "geapga" from Lake Hindmarsh Station. "Bursaria spinosa" is highly variable in appearance and habit, as are other species within the genus, and there
Prunus tangutica fruit are green when unripe and purplishred when ripe. The fruits' mesocarps (fleshy exterior) splits when ripe, which led to it being classified as an almond for over a century, with the exception of Kovalev & Kostina in 1935, who assigned it to "Persica". Prunus tangutica Prunus tangutica () is a species of wild peach native to China. Based on its fruit traits it had been considered a wild almond, but genetic and morphological studies have shown that it is more closely related to "Prunus persica", the cultivated peach, with its closest relative being "Prunus mongolica". It is a very