The vast genus of Eucalyptus includes almost 700 species, and continues to expand as unknown species are discovered and catalogued. The close physical similarity of many species and the wide variability in leaf biochemistry has proven to be a huge challenge to botanists ever since it was first discovered.

Initially, some species of Eucalyptus were incorrectly identified and even today revisions of taxa continue to take place in an attempt to clarify the state of affairs, with apparently varying levels of success. To say that the taxonomy of this species is confusing and incomplete would be something of an understatement! Read more…

The humble lemon is arguably the most versatile of all the citrus fruits, being employed in a vast assortment of food, beverages, skincare, perfumery and toiletry products. In addition, the lemon contains the widest range of medicinal properties of all citrus fruits.

Surprising as it may sound, the precise origin of the lemon tree has never been established. Most experts propose it was Eastern India, with a minority of others suggesting it was upper Burma or China. Like many other citrus fruits, the lemon has been hybridised so many times throughout history that it seems unlikely we will ever establish its true provenance. Read more…

The cinnamon tree belongs to the Lauraceae family and is a bushy, tropical evergreen that ranges in height from 5 metres (16ft) to 15 metres (45 ft) depending on origin. The bark is rough, scaly, and highly aromatic. When stripped off and dried, this fragrant bark forms the familiar cylindrical quills that are powdered to produce what is possibly the worlds oldest and best known spice. Read more…