莖(jing): 株高約(yue)1-2公尺(chi)。
葉(xie)(xie):單葉(xie)(xie)互生,倒闊披針形,常叢生于枝條(tiao)頂端。葉(xie)(xie)基有2~3對銳刺(ci),葉(xie)(xie)端漸尖,葉(xie)(xie)面為濃(nong)綠色,葉(xie)(xie)背(bei)為紫綠色,葉(xie)(xie)柄具茸毛,葉(xie)(xie)面平(ping)滑。
花(hua)(hua)(hua) :聚傘(san)花(hua)(hua)(hua)序(xu),花(hua)(hua)(hua)瓣5片,花(hua)(hua)(hua)冠(guan)紅(hong)色,似櫻花(hua)(hua)(hua);且(qie)為單性花(hua)(hua)(hua),雌雄同(tong)株,自著生于不同(tong)的花(hua)(hua)(hua)序(xu)上;另(ling)有粉紅(hong)品種(zhong)。花(hua)(hua)(hua)期:春季至秋季。
果 :蒴果成熟時呈(cheng)黑褐色。
葉(xie)紙(zhi)質,互生(sheng)(sheng),葉(xie)形(xing)(xing)多樣(yang),卵(luan)形(xing)(xing)、倒卵(luan)形(xing)(xing)、長圓形(xing)(xing)或提琴形(xing)(xing),長4-8cm,寬2.5-4.5cm,頂(ding)(ding)端急尖(jian)(jian)或漸尖(jian)(jian),基部鈍圓,近(jin)基部葉(xie)緣常(chang)具數(shu)枚疏生(sheng)(sheng)尖(jian)(jian)齒,幼葉(xie)下面紫紅(hong)色;托葉(xie)小,早(zao)落。雌雄(xiong)(xiong)異株。聚傘(san)花(hua)(hua)序頂(ding)(ding)生(sheng)(sheng),紅(hong)色,花(hua)(hua)單性,萼裂片(pian)5,花(hua)(hua)瓣長橢圓形(xing)(xing),具花(hua)(hua)盤;雄(xiong)(xiong)花(hua)(hua):雄(xiong)(xiong)蕊10,兩輪,外(wai)輪花(hua)(hua)絲(si)(si)稍合生(sheng)(sheng),內輪花(hua)(hua)絲(si)(si)合生(sheng)(sheng)至中部。雌花(hua)(hua)較雄(xiong)(xiong)花(hua)(hua)稍大,子房(fang)無毛,花(hua)(hua)柱(zhu)3,基部合生(sheng)(sheng),柱(zhu)頭2裂。
琴葉珊瑚喜(xi)高溫高濕環境,怕寒冷與干燥,越冬(dong)要保持在(zai)12℃以上。喜(xi)充足的光照,稍耐半蔭;喜(xi)生長(chang)于(yu)疏松(song)肥沃富含有機質的酸(suan)性砂質土(tu)壤(rang)中。
原產于(yu)西印(yin)度群島(dao),我國南方多有(you)栽培。
花朵雖(sui)然不大,但(dan)花期長(chang),無論什么時候,都可以看到它開花,是庭園常見的觀賞花卉,被廣泛應(ying)用于景觀上(shang)。適(shi)合庭植或(huo)大型(xing)盆栽。