Wildflowers Windflower (Anemone tuberosa, Ranunculaceae). © William R. Radke Silverleaf Bahia (Bahia absinthifolia, Asteraceae). © Sky Island Alliance. Photo by Thomas R. Van Devender Purple spiderling (Boerhavia purpurascens, Nyctaginaceae). © Sky Island Alliance. Photo by Thomas R. Van Devender Desert mariposa lily (Calochortus kennedyi, Liliaceae). Yellow flower. © Ana Lilia Reina Desert mariposa lily (Calochortus kennedyi, Liliaceae). Paired orange flowers. © Stephen L. Minter Basketflower (Centaurea rothrockii). © Stephen L. Minter Birdbill dayflower (Commelina dianthifolia, Commelinaceae) © Stephen L. Minter Mexican poppy (Eschscholzia californica, Papaveraceae). © William R. Radke Mexican poppy (Eschscholzia californica, Papaveraceae). Flower and plant. © Sue Carnahan Chiricahua vervain (Glandularia chiricahuensis, Verbenaceae). Flower and plant. © Stephen L. Minter Chiricahua vervain (Glandularia chiricahuensis, Verbenaceae). © Stephen L. Minter Wiggin’s heliotrope (Heliotropium wigginsii, Boraginageae). © Sky Island Alliance. Photo by Thomas R. Van Devender Coral bells (Heuchera sanguinea, Saxifragaceae). © James C. Rorabaugh Arizona rose-mallow (Hibiscus biseptus, Malvaceae). © Erik F. Enderson Rock hibiscus (Hibiscus denudatus, Malvaceae). © William R. Radke Mexican star (Milla biflora, Liliaceae). © Jillian Cowles Southwestern pleatleaf (Nemastylis tenuis, Iridaceae). © R. Wayne Van Devender Bellflower beardtongue (Penstemon campanulatus, Scrophulariaceae). © Stephen L. Minter Fendler’s Globe Mallow (Sphaeralcea fendleri, Malvaceae). © Jillian Cowles An orchid in Arroyo Mariano las Borregas in the Sierra de los Ajos. A new species close to Habenaria filifera. Habenarias are commonly called bog orchids. © Curtis Smith Yellow bells, hierba del piojo in Spanish (Mandevilla stans, Apocynaceae). © Sky Island Alliance. Photo by Thomas R. Van Devender Tiger lily or peacock flower (Tigridia pavoniana, Iridaceae). Close up of flower. © Erik F. Enderson Tiger lily or peacock flower (Tigridia pavoniana, Iridaceae). Plant and flower. © Erik F. Enderson Peruvian zinnia (Zinnia peruviana, Asteraceae). Species thought to be ancestral to all cultivated zinnias. © James C. Rorabaugh Southwestern cosmos (Cosmos parviflorus) ©Guillermo Molina