Find thousands of books, manuscripts, visual materials and unpublished archives from our collections, many of them with free online access.
Search for free, downloadable images taken from our library and museum collections, including paintings, illustrations, photos and more.
Tea (leaves of Camellia sinensis)
- Sue Snell
Attribution 4.0 International (CC BY 4.0)
You can use this work for any purpose, including commercial uses, without restriction under copyright law. You should also provide attribution to the original work, source and licence.
Creative Commons Attribution (CC BY 4.0) terms and conditions https://creativecommons.org/licenses/by/4.0
Selected images from this work
About this work
Picture of blue and white cup on saucer, heaped up with black (China) tea leaves. Camellia sinensis L. (formerly Thea sinensis) is an evergreen Asiatic shrub of the theaceae family. The infusion of leaves of this plant is used as Oriental tea which contains caffeine, theophylline, and epigallocatechin gallate. Theophylline is a methyl xanthine derivative with diuretic, smooth muscle relaxant, bronchial dilation, cardiac and central nervous system stimulant activities. It is used in the treatment of asthma.