2021年12月28日 星期二

彩葉甘藍(葉牡丹)


                            彩葉甘藍 (葉牡丹) Brassica oleracea L. var. acephala DC 十字花科

    多年生草本植物,耐寒的觀葉性植物。分別有圓葉系、皺葉系、高性種、矮性種等品種,各具不同顏色。莖部短縮,開花時莖部會抽長;葉片橢圓形,皺縮狀,波浪緣,具各種顏色,不結球,但全株外觀如球狀;11月至翌年4月為開花期。總狀花序,花瓣呈十字形,黃色;角果,種子色深。


彩葉甘藍(葉牡丹)原產溫帶地區。台灣引入做園藝栽培,多見於中海拔地區。(攝於杉林溪)。

品系相當多-圓葉、皺葉、高性及低性等種,顏色多樣,雖可做蔬食,主要在觀賞之用。




葉型變化多,顏色多樣,不結球。

11月至翌年4月為花期。開花期花莖抽長。

花序總狀,呈圓錐狀排列-十字花科的典型花型-萼片4;花瓣4,與萼片互生,瓣片平展成十字形。


花萼黃綠色;花瓣黃色;4強雄蕊(4長2短)。角果。


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