Weed
puncturevine, bullhead, caltrop, Mexican sandbur, Texas sandbur, goathead
NutletNutlet:
A small, dry, indehiscent carpel of a fruit, usually composed of one quarter of the fruit with each enclosing a single seed (e.g. mints).
Wedge with thorns
Light brown
Smooth, irregular surface
Large lateral thorns
NutletNutlet:
A small, dry, indehiscent carpel of a fruit, usually composed of one quarter of the fruit with each enclosing a single seed (e.g. mints). represents a carpelCarpel:
One section of a compound ovary.
segment of a fruitFruit:
A mature ovary and any associated parts.
. NutletNutlet:
A small, dry, indehiscent carpel of a fruit, usually composed of one quarter of the fruit with each enclosing a single seed (e.g. mints). contains 1-4 seeds which are arranged cross-ways. The very hard surface is climaxed by two large thorns, hence the name "goat headHead:
An inflorescence of stalkless or nearly stalkless flowers attached to a common receptacle that often assumes the appearance of a single flower, but in fact may be a composite of many flowers, e.g. sunflower, clover.
" is sometimes used.
State Noxious Weed: Arizona, California, Colorado, Hawaii, Idaho, Iowa, Michigan, Nebraska, Nevada, Texas, Utah, Washington, Wyoming
Included
For more information, see ISMA fact sheet.
Zygophyllaceae
Tribulus terrestris L.
