Yellow germander ( Teucrium flavum )
Teucrium flavum is an evergreen, dense dwarf shrub . The flower stems are up to 50 centimeters high. The occasionally slightly arched leaves are egg-shaped, around 3 centimeters long and 2 centimeters wide, the edge is notched to toothed. They are shiny dark green.
In the inflorescence the flowers are arranged in whorls . The calyx is 8 to 9 (rarely from 6) millimeters long, bristly to shaggy hairy and covered with glands. The individual calyx lobes are around two thirds as long as the tube, triangular and provided with a clear central rib . The crown is 14 to 18 millimeters long, yellowish or purple in color and shaggy hairy.
The number of chromosomes is 2n = 32.
Occurrence and locations
One can distinguish four subspecies:
- Teucrium flavum subsp. flavum : It occurs from south-eastern France to the western Balkan peninsula and from Tunisia to Libya.
- Teucrium flavum subsp. glaucum (Jord. & Fourr.) Ronniger : It occurs in Morocco, Algeria, Spain, on the Balearic Islands, Sardinia and Corsica, in Italy and on the Balkan Peninsula.
- Teucrium flavum subsp. gymnocalyx Rech.f. : It occurs in southeastern Greece and on Crete.
- Teucrium flavum subsp. hellenicum Rech.f. : It occurs from Greece to western Turkey.
- S.M. Haslam, PD Sell, PA Wolseley: A Flora of the Maltese Islands , Msida (Malta), 1977, p. 265
- Hans Christian Weber, Bernd Kendzior: Flora of the Maltese Islands - A Field Guide , 2006, ISBN 3-8236-1478-9 , p. 178
- Teucrium flavum at Tropicos.org. In: IPCN Chromosome Reports . Missouri Botanical Garden, St. Louis
- Rafaël Govaerts (Ed.): Teucrium flavum. In: World Checklist of Selected Plant Families (WCSP) - The Board of Trustees of the Royal Botanic Gardens, Kew . Retrieved January 20, 2018.