Habit and Detached Flower of Mesembryanthemum Pomeridianum Small 320×259 Medium 640×519 Large 1024×830 Download Tiff Original 2400×1946 | (893.4 KB) Description Mesembryanthemum pomeridianum flowers are large and yellow. The flowers expand after midday. The flowers bloom in July. Keywords flower, Mesembryanthemum, mesembryanthemum pomeridianum Galleries Flowers and Shrubs: M Source: Nicholson, George The Illustrated Dictionary of Gardening, Div. VI (London, England: L. Upcott Gill, 1884)