xeriscaped road shoulder with euphorbia tirucalli succulent and palo verde tree

america american arizona asphalt botany boulder branching brown city colored daylight desert drought euphorbia fence fiery fire flora floral gray green landscaped leaves morning native natural nature outdoors palo phoenix plant red reddish residential resilient road rocks shoulder southwestern stems sticks street style succulent sunlit thicket tirucalli tolerant town toxic tree tucson urban verde vertically xeriscaped xeriscaping