摘要
The biological and ecological characteristics of Epiphyllum oxypetalum were introduced as well as its transplanting conditions in this study.
1生物学特性1.1形态特征昙花为多年生常绿灌木,木质。盆栽株高多为1～2m,花茎圆柱形,直径粗1～2cm,褐色,半木质,是植株骨架。茎叉状分枝,幼枝茎绿色,生有黄绿色刺,茎上部有2个棱,边缘波状具圆齿生刺锥,顶部有的形成叶状茎,边缘波状凹陷处生有花蕾。叶状茎绿色,长椭圆形,中筋木质化,两侧生出2～6个叶状茎,在2次叶状茎上还可再生出第3次叶茎。叶状茎肥厚多汁,表面有蜡质层,可减少水分蒸腾。1.2开花特性1.2.1花蕾孕育特征。
