Tribulus terrestris

Photo: Tribulus terrestris.
Photo: Tribulus terrestris 0.

Flowering plant. Boardman, OR, US. Wild. 1996-07-17.
Photo: Tribulus terrestris 1.
Photo: Tribulus terrestris 1.

Plant. Tokyo bot.g., Japan. Planted. 2008-06-11.
Photo: Tribulus terrestris 2.
Photo: Tribulus terrestris 2.

Flowering plant. Bergianska trädgården, Stockholm, Sweden. Planted. 2011-07-13.
Photo: Tribulus terrestris 3.
Photo: Tribulus terrestris 3.

Leaf and caltrop, err, seedpod. Bergianska trädgården, Stockholm, Sweden. Planted. 2011-07-13.
Photo: Tribulus terrestris 4.
Photo: Tribulus terrestris 4.

Flower and leaf. Bergianska trädgården, Stockholm, Sweden. Planted. 2011-07-13.
Photo: Tribulus terrestris 5.
Photo: Tribulus terrestris 5.

Flower and leaf. Bergianska trädgården, Stockholm, Sweden. Planted. 2011-07-13.
Photo: Tribulus terrestris 6.
Photo: Tribulus terrestris 6.

Flowering plants. Bergianska trädgården, Stockholm, Sweden. Planted. 2011-07-13.