Cactus Grandiflorus.
Botanical name:
Classic texts: USDisp 1918.
Classic texts: USDisp 1918.
Classic texts: Sturtevant 1919.
Echinocereus reichenbachii (Terscheck ex Walp.) Haage.
Engl.: lace hedgehog cactus, black lace cactus, Classen's cactus, lace cactus, merry-widow cactus, purple-candle cactus.
Bot. syn.: Cereus caespitosus Engelm., Echinocereus caespitosus (Engelm.) Engelm.
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