Schlumbergera bridgesii (English spelling) Schlumbergera bridgesii

...It does not produce fruit easily, but when cross-breeded, it produces slightly spherical, red berries 8 mm in diameter. The closely related Schlumbergera bridgesii (Lem.) Löfgr., also known as the crab cactus, is distinguished by its radially symmetrical flowers, blunt sawtooth stems, and spring flowers, although there are intermediate hybrids. It can grow in partial shade, but to promote flowering, it should be exposed to full sun, with no watering in August, and regular watering from September.

*Some of the terminology that mentions "Schlumbergera bridgesii" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…果実はできにくいが，交配するとやや球型で径8mmの赤い漿果（しようか）がなる。近縁のカニバサボテンSchlumbergera bridgesii (Lem.) Löfgr.はカニサボテンともいい，花が放射状相称で，茎の鋸歯が鈍く，花が春に咲く点で区別されるが，中間的な雑種もある。　半日陰でも育つが，花つきをよくするには陽光に十分あて，8月は断水し，9月から普通に灌水する。…

※「Schlumbergera bridgesii」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。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報