Cacti and other succulent fruit are fruits that come from either cacti or succulents. Matorral is characterized by woody shrubs, small trees, cacti, and succulents. They build nests in holes made in saguaro cacti or mesquite trees. Mealybugs are one of the most common pests of cacti and succulents. The north wing hosts the extensive collections of ferns, cacti, and succulents. Xeric scrublands are common, with various forms of cacti, thorny shrubs, and evergreens. Two greenhouses contain collections of orchids, cacti, and tropical plants. Typical plant communities of the region are shortgrass prairie, prickly pear cacti and scrub. The park features washes, wildflowers, palm groves, cacti and sweeping vistas. He introduced over 800 new plants, including flowers, grains, grasses, vegetables, cacti, and fruits. Semi-desert cacti need careful watering. These are in addition to the many varieties of flowering cacti. This semi-arid climate is conducive to a variety of cacti and other desert plants. The understory is primarily native bunchgrasses with a mix of other cacti and herbaceous species. Two species have cylindrical stems more similar to other cacti.