Cephalocereus senilis (English spelling) Cephalocereus senilis

Japanese: Cephalocereus senilis（英語表記）Cephalocereussenilis

...First of all, this family includes the largest cactus, Carnegiea gigantea (Eng.) Br.et R. (English name: saguaro, the highest recorded height was 26.1m, its fruit is edible (illustration)), which is a familiar sight from Western movies, as well as other large species such as the Mexican genera Lemaireocereus and Pachycereus , the Central and South American genus Cereus (the most representative is C. peruvianus Mill., whose horticultural variety, rock pillar (illustration), is also grown outdoors in warm regions of Japan), and the Peruvian genus Neoraimondia . Mexico's Cephalocereus senilis (Haw.) Pfeiff. (illustration) and South America's Espostoa lanata Br.et R. are covered with dense white hairs and are known as trichomes. On the other hand, the forest epiphytic cacti that grow on trees and rocks include the triangular prism Hylocereus guatemalensis (Eichl.) Br.et R., which grows in the night-flowering group with three ridges, the Queen of the Night Selenicereus pteranthus (Lk.et O.) Br.et R., which has white flowers over 30cm in diameter, the flat-stemmed night-flowering cereus (illustration), the day-flowering peacock cactus Epiphyllum (illustration), the Schlumbergera cactus (illustration), and the string-like dangling gold string Aporocactus flagelliformis (L.) Lem....

*Some of the terminology that mentions "Cephalocereus senilis" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…まず，この仲間には最大のサボテンで西部劇でなじみの深いベンケイチュウ(弁慶柱)Carnegiea gigantea (Eng.) Br.et R.(英名saguaro，最高記録26.1m，果実は食用になる（イラスト）)のほか，大型種としてメキシコのレマイレオケレウス属Lemaireocereus，パキケレウス属Pachycereus，中南米のケレウス属Cereus(キメンカク(鬼面角)C.peruvianus Mill.が代表的なもので，その園芸品種である岩石柱（イラスト）は日本においても暖地の露地で栽培されている)，ペルーのネオライモンディア属Neoraimondiaなどがある。メキシコのオキナマル(翁丸)Cephalocereus senilis (Haw.) Pfeiff.（イラスト）や南アメリカのオイラク(老楽)Espostoa lanata Br.et R.は白毛が密生し，毛柱類（けばしらるい）の名がある。一方，木や岩に着生する森林着生サボテン類には，夜咲群に3稜ではうサンカクチュウ(三角柱)Hylocereus guatemalensis (Eichl.) Br.et R.，白い花が直径30cmを超すヨルノジョオウ(夜の女王)Selenicereus pteranthus (Lk.et O.) Br.et R.，茎が扁平の月下美人（イラスト），昼咲群にはクジャクサボテンEpiphyllum（イラスト）やシャコバサボテン（イラスト），紐状に垂れるキンヒモ(金紐)Aporocactus flagelliformis (L.) Lem.がある。…