Torchiere
Don't you just love the color combination Mother Nature chose for the blooms of this cactus with that electric green 'lightbulb'?  For the naturally curious, each bloom is dainty, just a couple of inches, top to bottom.

DP169-2013  Posted June 18; processed ditto

Winteroceus aureispina cactus blossom
Conservatory at Matthaei Botanical Gardens, Ann Arbor, Michigan
June 13, 2013
This is another free hidden garden in San Diego. A very impressive collection of cacti. It contains some of the largest cactus and succulent specimens in the Park and has also been developed to include the exotic African and Australian Protea plants. It is located on the west side of the Balboa Park Club.
Flowers from around the World
Temple dorique de Segeste (430 av JC)
See photo in original gallery.