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 murrayana rare that no one has seen its fruit since first being scientifically described. Prunus murrayana Prunus murrayana, called the Murray’s plum, is a critically endangered shrub native to Texas. It is found in the Edwards Plateau and the trans-Pecos regions of the state. "Prunus murrayana" is a thorny, deciduous shrub up to 5 meters (almost 17 feet) tall, forming clumps by means of sprouts formed at the base of the plant. Leaves are hairy on both surfaces, usually folding along the midrib. Flowers are white, usually appearing about the same time as the leaves. Fruits are red with white dots,