Kakaku (flower horn)

Japanese: カカク(花角) - かかく
Kakaku (flower horn)

...It differs from flowering cacti in that the flower tube has thorns. E. pentalophus var. procumbens (Eng.) Krainz (illustration) produces reddish-pink flowers that are up to 8 cm in diameter. Globular cacti include large species such as the yellow-thorned Golden Shachi ( Echinocactus grusonii Hildm.) (illustration), the Ferocactus genus with its flat central spines, the smallest cactus in the Frailea genus with a diameter of less than 1 cm, the completely spineless Astrophytum asterias (Zucc.) Lem. (illustration) and Lophophora williamsii (Lem.) Coult. (illustration), the Mammillaria genus covered with warty protrusions, the Ariocarpus genus with warts deformed into large triangles, the Kōzan ( Leuchtenbergia principis Hook.) with its long, rod-like protrusions rather than angular warts, and the Echinofossulocactus genus with up to 80 ridges. There is a great variety of species, including the Pelecyphora pseudopectinata Backbg. (illustration), whose spines resemble those of a woodlouse.

*Some of the terminology explanations that mention "kakaku (flower horn)" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…花サボテン類とは花筒にとげがある点で異なる。カカク(花角)E.pentalophus var.procumbens (Eng.) Krainz(イラスト)は,直径8cmもある赤桃色の花をつける。球形のサボテンは黄色のとげのキンシャチ(金鯱)Echinocactus grusonii Hildm.(イラスト),中央のとげが扁平のフェロカクトゥス属Ferocactusなどの大型種から最小のサボテンで直径が1cm以下のフライレア属Frailea,とげがまったくないカブトマル(兜丸)Astrophytum asterias (Zucc.) Lem.(イラスト)やウバダマ(烏羽玉)Lophophora williamsii (Lem.) Coult.(イラスト),いぼ状の突起でおおわれたマミラリア属Mammillaria,いぼが大きな三角形状に変形したアリオカルプス属Ariocarpus,いぼが角ばらずに棒状に長く突出したコウザン(晃山)Leuchtenbergia principis Hook.(イラスト),稜が80にもおよぶエキノフォスロカクトゥス属Echinofossulocactus,とげがワラジムシのようなセイコウデン(精巧殿)Pelecyphora pseudopectinata Backbg.(イラスト)など実に多様である。…

※「カカク(花角)」について言及している用語解説の一部を掲載しています。

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