单词 cactoid 释义 cactoid, a. Bot.|kktd|[f. cact-us + -oid.]Resembling the cactus in form or structure.1878Hooker & Ball Marocco 328 The curious cactoid Euphorbia, producing the Gum Euphorbium.1885J. Ball in Jrnl. Linn. Soc. XXII. 3 Cactoid plants..are s...