Silversword plant in bloom, Pu'u 'Ula'ula Summit, overlooking the crater, or caldera, of the extinct volcano, Haleakala National Park, Maui, Hawaii.

silversword plant; blooming; flower; pu'u 'ula'ula summit; crater; caldera; extinct volcano; haleakala national park; maui; hawaii; flowers; craters