Melocactus Link & Otto (1827)
(Greek melon = melon, apple; Greek kaktos = cactus)
melon cactus
globular, broad globular or elongated; 5–20 ribs; spines usually thick, often also bended
flowering plants with cephalium, felted, with bristles interspersed, at the apex
flowers small, bell shaped to funnel-form, appear at the cephalium, usually nights, to several, reddish
fruits small clubbed, red or white, at ripeness pressed out of the cephalium and falling off; seeds black
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