红花闭鞘姜(Costus curvibracteus)是1999年中科院西双版纳热带植物园从新加坡引进的一个新种。据多年栽培观察,它在西双版纳绿色期长且四季有花,覆盖效果好,是一种具有发展潜力的优良林下地被植物。习性红花闭鞘姜主要分布在美洲和非洲热带地区海拔120～1700米的林下阴湿处,喜有明亮散射光的半阴环境,忌阳光曝晒,病虫害少。特征为姜科闭鞘亚属多年生植物,株高40～60厘米,茎丛生,叶片绿色,单叶互生,螺旋状排列,椭圆形或卵状披针形,叶鞘自上而下抱住茎杆,穗状花序顶生,花瓣2,两花瓣基部合生,形成筒状,橘红色,花期2～10月,在西双版纳可全年开花。繁殖红花闭鞘姜具有节上生根萌芽 Costus curvibracteus is a new species introduced from Singapore in 1999 by Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences. According to years of cultivation observation, it has long green and long seasons flowers in Xishuangbanna and good covering effect. It is an excellent understory plant with potential for development. Habitat safflower sheathing ginger is mainly distributed in tropical forests in the Americas and Africa at an altitude of 120 to 1700 meters under the shade of the forest, like a bright semi-semi-an area of ​​scattered light, avoid sun exposure, pests and diseases less. It is characterized by its perennial plants of 40% to 60 cm in height, 40 to 60 cm in height, stems tufted, green leaves, alternate leaflets, spirally arranged, oval or ovate-lanceolate, , Spikes top, petals 2, two petals connate at base, forming a tube, orange, flowering from October to October, flowering throughout the year in Xishuangbanna. Reproductive safflower sheathing ginger with section on the root germination