发布时间:2025-02-07 04:38:32
多年生草本,高20~60厘米。地下根茎横走,肉质,有结节,密生多数须根。茎直立,叶互生,椭圆形或狭椭圆形,全缘。花腋生,着生花1~4朵栽培情况下多至8朵,花被筒状,先端6裂。雄蕊6枚,子房上位,花柱细长。浆果蓝黑色。花期5~6月。果期7~8月。玉竹适应性强,生长周期210~230天。温度在9~13℃时,根茎出苗;18~22℃现蕾开花;19~25℃时地下根茎增粗,为干物质积累盛期;温度下降到20℃以下时,果实成熟,地上部分生长缓慢。
玉竹
艾美特室内加热器启动到多久 艾美特室内加热器启动需要多长时间
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