| PRI | any of a number of trees or shrubs of the genus Zanthoxylum having spiny branches |
|---|---|
| PRI | small tropical American tree bearing large succulent slightly acid fruit |
| PRI | obstruction of the sweat ducts during high heat and humidity |
| PRI | European annual wild lettuce having prickly stems |
| PRI | round or pear-shaped spiny fruit of any of various prickly pear cacti |
| PRI | cacti having spiny flat joints and oval fruit that is edible in some species |
| PRI | cacti having spiny flat joints and oval fruit that is edible in some species |
| PRI | small 2-needled upland pine of the eastern United States (Appalachians) having dark brown flaking bark and thorn-tipped cone scales |
| PRI | annual Old World poppy with orange-red flowers and bristly fruit |
| PRI | any plant of the genus Argemone having large white or yellow flowers and prickly leaves and stems and pods |
| PRI | North American fern whose more or less evergreen leathery fronds are covered with pale brown chafflike scales |
| PRI | southwestern Asian plant widely cultivated for its succulent edible dark green leaves |