“寒露”时节,大理苍山顶的红景天艳了
(撰文:洪永忠,摄影:孙思良等)
“月露冷、梧叶飘黄。”一转眼,又是“寒露”时节。
“寒露寒露,遍地冷露”。古人把“寒露”分为三候:一候鸿雁来宾;二候雀入大水为蛤;三候菊有黄华。意思是说,此时节,大雁南飞,雀鸟不见,菊花竞开。
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是啊,转眼之间,大理苍山顶以红景天为主的景天科植物也艳了,血红的、朱红的、褐红的,把云彩下的苍山顶,一刻间染成油画般的绚丽多彩。
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红景天,别名蔷薇红景天,扫罗玛布尔(藏名)等,为多年生草本植物,生长在海拔2500米左右高寒无污染地带,其生长环境恶劣,因而具有很强的生命力和特殊的适应性。红景天可作药用,也可食用,已经列入《世界自然保护联盟红色名录》(IUCN)中,保护级别为易危(VU)。
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由于大理苍山良好的环境,景天科植物在苍山多有分布。“寒露”时节,气候变冷,原本绿色或褐黄色的红景天如同霜叶一般变红变深,在苍山顶的云雾飘渺中,形成了一道独特的自然景观,让人赞叹不已。
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“艳唱潮初落,江花露未晞。”很快,“寒露”之后便是“霜降”;天渐冷,记得添衣。
或者,也像眼前血红的景天科植物,顶着凌厉的寒风,长在高海拔贫瘠的土地上,用豁达、乐观、顽强的艳丽迎接冰天雪地的到来!
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(图片拍摄于近日,撰文:洪永忠,摄影:孙思良等)
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