Salvadora persica

[1] Its sticks are traditionally used as a natural toothbrush called miswak and are mentioned by the World Health Organization for oral hygiene use.

[1] Salvadora persica is a small tree or shrub with a crooked trunk,[3][need quotation to verify] typically 6–7 metres (20–23 ft) in height.

The plant is native to the Middle East and Africa,[4] and is found on desert floodplains, riverbanks, and grassy savannahs.

[1] Salvadora persica stick, known as miswak, is popular for teeth cleaning throughout the Arabian Peninsula, Iranian Plateau, as well as the wider Muslim world.

[1][5] Toothbrushes made from roots and small branches of about 3–5 mm diameter have been used for over 1000 years, especially by Islamic populations in India, Arabia and Africa.

Shrub with berries
Birds and pilu shrub in India
Pollen grains of Salvadora persica or Miswak plant