Thymus zygis

Thymus zygis is a type of flowering plant in the family Lamiaceae. Its leaves are thin and about 8 mm in length. It has white flowers. Sandy and loamy soils are ideal for this species and it is tolerant of nutrient poor soil. It can tolerate acidic to alkaline soil conditions. It is very common throughout Spain and Portugal. It is also found throughout southwestern Europe and in Morocco. It is diploid but the chromosome number has been found to vary among the species. The size of the chromosomes are typically between 1-2 μm. Thymus zygis is a gynodioecious species. As a result, there is a wide range of female frequency (17 – 87%) and a female frequency mean of 51%. This species is able hybridize with other species of the genus Thymus when there is overlapping flowering periods. This subspecies is diploid with a chromosome number of 28 (2n = 28). This subspecies has a greater distribution than the other two subspecies. It has a more erect growth habit than subspecies sylvestris.