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词语紫菀拆分为汉字：
紫字的拼音、笔画、偏旁部首、笔顺、繁体字，紫字字源来历，紫字演变
在可见光中波长最短，红与蓝合成的颜色：～红。～铜。～外线。～药水。道教和某些朝代的统治者所崇尚的色彩，因而常在其宫室、服饰、用物前冠之以“紫”：～衣。～书（a.道经；b.皇帝诏书）。～诰（帝王诏令）。～台（神仙、帝王所居）。～气（祥瑞之气，……
菀字的拼音、笔画、偏旁部首、笔顺、繁体字，菀字字源来历，菀字演变
1. 菀 [wǎn]2. 菀 [yùn]菀 [wǎn]〔紫～〕多年生草本植物，茎高二米余，叶有锯齿。根和根茎可入药。草木茂盛的样子。菀 [yùn]古同“蕴”，郁结，积滞。……
汉语拼音：zǐ wǎn
Everything breathes an air of stillness, the silence rent by the exuberant colours of asters, dahlias, sunflowers and roses.
周围的一切都散发着一种静谧，而这份恬静又被紫菀、大丽菊、向日葵和玫瑰那绚烂的色彩所打破。Aster subulatus may form superiority community, affecting the biological diversity, so it had a bigger potential of harmful effect.
在自然条件下，钻形紫菀可以形成单一优势群落，影响生物多样性，具有较大的危害潜力。A small Mediterranean plant(Anacyclus pyrethrum)containing a volatile oil once used for the relief of toothache and facial neuralgia.
欧蓍草一种地中海地区的外形较小的（紫菀科南欧派利吞草）植物，含有一种曾用于减缓牙痛或面部神经痛的易挥发的油Pharmacological results showed that active components included at least shionone, epi-friedanol , kaempferol, quercetin and saponins.
发现祛痰的活性成分至少包括紫菀酮、表木栓醇、山奈酚和槲皮素及总皂苷；The sun was dropping behind the farthest mountain , and the valleys were purple with something deeper than aster .
夕阳已渐渐沉没在远山的背后，壑谷间一片紫蔼，颜色比紫菀还浓。The sun was dropping behind the farthest mountain, and the valleys were.
片紫蔼，颜色比紫菀还浓。AIM: To investigate the effective parts of Radix Aster and synergistic effects of Flos Farfarae by eliminating phlegm experiment.
目的：借助祛痰实验，筛选紫菀的有效部位及款冬的相须部位。The research explores "Ziwan Powder" pharmacological function mechanism on different levels of integer, tissue, cell and molecule.
以上述研究为基础，从分子水平对紫菀散作用机理进行了初步探索。There are a family of flowers called asters named because most of them have flowers with petals that radiate from a centre, star-like.
也有一种叫做aster的花（紫菀，翠菊），这样叫是因为大多数aster的花瓣都从中心辐射开来，形状酷似星星。