A general term for the genus Boronia in the family Rutaceae. It is a genus endemic to Australia, with about 70 species distributed. All are shrubs with alternate pinnate compound or simple leaves. Flowers are axillary or terminal, with a bell-shaped pendulous or star-shaped flat corolla. Potted plants include Boronia heterophylla , which produces purple-red bell-shaped flowers, Boronia pinnata , which produces pink, star-like, four-petaled flowers, and Boronia megastigma , which has bell-shaped corollas with purple-brown exteriors and yellow interiors. Keep them as cool as possible in summer and warm in winter. Overwintering temperatures of 5°C or higher are necessary. Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information |
ミカン科ボロニア属の総称。オーストラリア固有の属で,約 70種が分布。いずれも低木で,羽状複葉または単葉が互生。花は腋生または頂生し,花冠は鐘形に下垂,または星状に平開する。紫紅色の鐘形花をつけるボロニア・ヘテロフィラ B.heterophyllaやピンクの星のような4弁花をつけるボロニア・ピンナタ B.pinnata,鐘形の花冠の外側が紫褐色で,内側が黄色になるボロニア・メガスティグマ B.megastigmaなどが鉢植えで流通する。夏はなるべく涼しく,冬は暖かく管理する。越冬温度は5℃以上が必要である。
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