A general term for the genus Cissus (Vitaceae), with about 300 species distributed in tropical and subtropical regions such as Africa and Southeast Asia. The leaves are alternate and simple or compound. Some species have creeping stems while others have fleshy stems, and the creeping species are mainly used as ornamental plants in hanging pots or lantern-style arrangements. Cissus rhombifolia , also known as grape ivy, has glossy trifoliate compound leaves on slightly angular creeping stems and tendrils. The well-known variety is 'Ellen Danica', which has widely incised leaflets. Cissus antarctica, also known as kangaroo ivy, has creeping, leathery, simple leaves with sawtoothed leaf edges and no tendrils. C. discolor has a single leaf with silvery white markings like begonias, and its English name is begonia cissus. The undersides of the leaves and tendrils are a beautiful purple-red color. C. discolor should be kept in partial shade, or in a sunny location. Water sparingly in winter. C. discolor needs a temperature of 10°C or higher, but other plants can survive winter at around 5°C. Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information |
ブドウ科シッサス (セイシカズラ) 属の総称で,アフリカ,東南アジアなどの熱帯・亜熱帯に約 300種が分布する。葉は互生し,単葉または複葉。茎がつる性のものと多肉質になるものがあり,おもにつる性の種類が吊り鉢やあんどん仕立てで観葉植物に利用される。シッサス・ロンビフォリア C.rhombifoliaはグレープ・アイビーとも呼ばれ,やや角張ったつる性の茎に光沢のある3出複葉をもち,巻きひげがある。小葉の切れ込みが大きい`エレン・ダニカ'という品種がよく知られる。シッサス・アンタルクティカ C.antarcticaはカンガルー・アイビーの呼称で知られ,つる性で革質の単葉,葉縁には鋸歯がある。巻きひげはない。セイシカズラ C.discolorは単葉でベゴニア類のような銀白色の斑紋 (はんもん) が入り,英名はベゴニア・シッサス begonia cissusという。葉裏や巻きひげが紫紅色で美しい。セイシカズラは半日陰に,それ以外は日当りのよいところで管理。冬期は水を控えめにする。セイシカズラは 10℃以上必要であるが,それ以外は5℃程度で越冬できる。
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