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梭魚草－－王民聲 又名小狗魚草、海壽花
英文名稱：Pontederia cordata
科 ：雨久花科
原產地 ：加勒比海地區、北美洲東部
葉 ：基生葉闊卵圓狀心形、頂端尖、基部心形、全緣。
花 ：總狀花序、由十多花組稱。頂生藍色、亦可有栽培變種白色的。花期7－9月。
果 ： 蒴果、果期8－10月
特徵 ：多年生挺水草木、高20－60㎝、花色高雅可愛、適合公園、庭院、校園、假山石池邊種植的水體綠化。亦可用於大型盆栽種植。
栽培 ：全日照、半日照、濕潤、在水中生長。肥沃、含腐殖質泥土。適溫16℃－28℃。
繁殖 ：分株。
Grasspike ----Wong Man Sing, also known as pickerel grass, sea Shou flower
English name : Pontederia cordata
Section: Pontederiaceae
Origin: Caribbean, eastern North America
Leaves: Basal leaves broad oval -shaped heart -shaped, pointed tip , basecordate , margin entire .
Flower: racemes from more than a dozen flower group said . Acrogenous blue,white cultivars may have . Flowering from July to September .
Fruit : Capsule , fruit from August to October
Characteristics: Perennial emergent vegetation, high 20-60 cm, color elegant cute, suitablefor parks, gardens , schools, rockery stone water pool planted greenery . Canalso be used for large potted plant growing .
Cultivation : Full sun , half sunshine, humid, growth in the water . Fertilesoil with humus . Optimum temperature 16 ℃ -28 ℃.
Reproduction: ramets .