|Tree Germander (Teucrium fruticans)|
Teucrium is a large genus of perennial plants in the family Lamiaceae. The name is believed to refer to King Teucer of Troy. Members of the genus are commonly known as germanders. There are hundreds of species, including herbs, shrubs or subshrubs. They are found all over the world but are most common in Mediterranean climates. 
An unusual feature of this genus compared with other members of Lamiaceae is that the flowers completely lack the upper lip of the corolla, although it is somewhat reduced also in other genera (Ajuga among them).
Several species are used as food plants by the larvae of some Lepidoptera species including the Coleophora case-bearers Coleophora auricella and Coleophora chamaedriella. The latter is only known from Wall Germander (T. chamaedrys).
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- "Genus: Teucrium L.". Germplasm Resources Information Network. United States Department of Agriculture. 2010-05-27. Retrieved 2011-06-14.
- Kew World Checklist of Selected Plant Families
- Grieve, Maude (1971). A Modern Herbal. Courier Dover Publications. p. 351. ISBN 978-0-486-22798-6.
- Flora of China Vol. 17 Page 56 香科科属 xiang ke ke shu Teucrium Linnaeus, Sp. Pl. 2: 562. 1753.
- Altervista Flora Italiana, genere Teucrium includes photos plus range maps for Europe + North America
- Biota of North America Program 2013 county distribution maps
- "Teucrium". Integrated Taxonomic Information System. Retrieved 2012-02-06.
- "GRIN Species Records of Teucrium". Germplasm Resources Information Network. United States Department of Agriculture. Retrieved 2012-02-06.
|Wikisource has the text of the 1906 New International Encyclopedia article Germander.|
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