A caltrop (also known as caltrap, galtrop, cheval trap, galthrap, galtrap, calthrop, jackrock or crow's foot) is an area denial weapon made up of usually...

The water caltrop is any of three extant species of the genus Trapa: Trapa natans, Trapa bicornis and the endangered Trapa rossica. It is also known as...

Tribulus terrestris is an annual plant in the caltrop family (Zygophyllaceae) widely distributed around the world. It is adapted to thrive in dry climate...

Zygophyllaceae is a family of flowering plants that contains the bean-caper and caltrop. The family includes around 285 species in 22 genera. Plants in the family...

The term makibishi (撒き菱 or 撒菱) refers to the Japanese version of the caltrop. The tool (igadama) is a sharp spiked object that was used in feudal Japan...

californica is a species of flowering plant in the caltrop family known by the common name California caltrop. It is native to the deserts of the Southwestern...

Eleocharis dulcis, or Chinese water chestnut, is eaten for its crisp corm Water caltrop, Trapa natans, is eaten for its starchy seed Chinese cuisine Chinese chestnut...

roughbark lignum-vitae, guaiacwood or gaïacwood, is a species of tree in the caltrop family, Zygophyllaceae, that is native to the Caribbean and the northern...

Kallstroemia parviflora, also called small-flowered carpetweed or warty caltrop, is found in the United States, and extends as far south as Central America...

(山梔子), and is symbolic of peach flowers. The white is made from the water caltrop (菱, hishi), and represents the snow and its cleansing effects. Finally...