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
Strychnos spinosa Strychnos spinosa Strychnos spinosa is a tree indigenous to tropical and subtropical Africa. It produces, sweet-sour, yellow fruits, containing numerous hard brown seeds. Greenish-white flowers grow in dense heads at the ends of branches (Sep-Feb/Spring - summer). The fruits tend to appear only after good rains. It is related to the deadly "Strychnos nux-vomica", which contains strychnine. The smooth, hard fruit are large and green, ripen to yellow colour. Inside the fruit are tightly packed seeds, which may be toxic, surrounded by a fleshy, brown, edible covering. Animals such as baboon, monkeys, bushpig, nyala and eland eat the fruit. The