Mark_Biology: Disc florets
Mark_Biology: Close up ray florets
Mark_Biology: Disc and ray florets
Mark_Biology: An inflorescence pseudanthium
Mark_Biology: Apis on florets
Mark_Biology: Close up of disc florets
Mark_Biology: Apis on the ray florets
Mark_Biology: Helianthus
Mark_Biology: Lupinus texensis
Mark_Biology: Bluebonnets
Mark_Biology: Echinocereus coccineus
Mark_Biology: Texas Star Hibiscus
Mark_Biology: Blooming Texas Star Hibiscus