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百草篇之小飞蓬与一年蓬

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百草篇之小飞蓬与一年蓬

家里yang台靠西侧的位置上,盆栽着一株小小的华南苏铁。喜huan在夕yang西下的黄昏,静待片刻,欣赏华南苏铁别样的优雅shen姿。

盆里的杂草也任凭其自由地生长,好歹也凑个模拟的原生态微环境嘛。朔望jiao替、晴晴雨雨,一年蓬从开hua、引蝶,又结成蓬松的果子,随风散落,枯叶凌luan,而渐趋衰败。jin挨着的小飞蓬,则披着一shennong1绿se,窜得更高,枝tou上结chu众多小小的hualei。

这些年来,我走过国内各地万千山林,拍摄了大量的植wu与昆虫图片。并且大多已an照生wu分类学的科属,归类在相册中。我那曾经蓬松茂盛的tou发,恰似蓬草果序般的散落,日渐稀疏了。莫非这是熬夜的代价,年年hua相似,岁岁人不同,人总是要变衰老的。毋须对镜空叹息,日子过的充实就可以了。

一年蓬(Erigeronannuus(L。)Pers。)为ju科飞蓬属植wu,两年生草本,别名野蒿、治疟草等,jing2直立,上bu分枝,jing2生叶披针形或条状披针形,叶柄向上渐至无柄。tou状hua序排列成疏圆锥hua序,she2状hua白se,小清新的样子,惹人喜爱。原产于北mei洲,早在1886年在上海就已采集到标本,因其繁zhi能力和适应xing,被列入外来入侵wuzhong名单。

打开我的《全国中草药汇编》,因an笔顺排列的缘故,收录的第一个中草药即为一年蓬。全草可入药,能清热解毒、抗疟,治疟疾、淋ba结炎、胃chang炎、消化不良、毒蛇咬伤等症。

另有一zhong小飞蓬(Conyzacanadensis(L.)Cronq.),《浙江植wu志》里没把它归类在飞蓬属里,却在ju科白酒草属,又名小蓬草、加拿大蓬,显然也为外来植wu。一年生草本,全株呈绿se,ju纤维状gen,jing2直立,上bu多分枝,被脱落xingcu糙mao。叶片边缘ju睫mao,tou状hua序有细guan状的雌hua,无明显的she2状hua或外层有直立的短she2片,冠mao棉mao状。

小飞蓬生于旷野、荒地、田边或路边,为极常见的杂草。在全省各地均有广泛分布,在局bu区域,甚至泛滥成灾,成为优势wuzhong。

在浙东嵊州民间,通常把一年蓬称为“白氏草”,把小飞蓬称作“长茅草”我童年那会儿,放学后常去地里ba猪草,其中这些白氏草与长茅草的nen苗,都是猪niu最喜爱吃的。

看来,在日趋国际化的今天,人类越来越像生活在同一个“地球村”里了,外来文化与外来wuzhong一样,简直无孔不入、势不可挡。我们自然可以说“国货当自qiang”,但对于外来wuzhong的侵入,我们能不能说“本土wuzhong当自qiang”吗?

或许更多时候,除了无能为力,只得祈祷上苍,祈愿土洋wuzhong能和谐相chu1的了,形成新的生态平衡。毕竟,适者生存是亘古不变的自然规律。当然,在转基因wuzhong问题上,有关bu门与机构亟待加qiang安全xing等方面的监测,总之必须慎之又慎的。

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