采用石蜡制片法,对产于中国的伞形科(Apiaceae)阿米芹族(Ammineae)葛缕子亚族(Carinae)7属26种4变种1变型以及作为外类群的西风芹亚族(Seselinae)2属6种的果实横切面解剖结构进行了观察,并选择18个结构特征作为数量分类性状,进行了系统聚类分析和主成分分析;根据数量分类结果提出了部分类群的分类处理建议。观察结果显示:供试种类的果实横切面在果体形状和大小、背棱和侧棱的形状和大小、果棱发达程度、外果皮和中果皮的结晶和色素块的形态等特征上呈现出多样化的特点,少数种类的某些果实解剖特征呈现出特殊性,其中,仅柴胡属(Bupleurum Linn.)种类和山茴香(Carlesia sinensis Dunn)的果实几不压扁,仅鸭儿芹(Cryptotaenia japonica Hassk.)的果体腹面有隐棱,仅山茴香的油管沿果体连续分布。聚类分析结果显示:供试种类可分为5类,其中,山茴香、藁本属(Ligusticum Linn.)种类、鸭儿芹、西风芹属(Seseli Linn.)种类各自聚为一类;柴胡属、茴芹属(Pimpinella Linn.)、丝瓣芹属(Acronema Falconer ex Edgew.)、阿米芹属(Ammi Linn.)和小芹属(Sinocarum H.Wolff ex R.H.Shan et F.T.Pu)5属的种类聚为一类(含5组),其中,尖瓣芹(Acronema chinense Wolff)、阿米芹〔Ammi visnaga(Linn.)Lam.〕和钝瓣小芹〔Sinocarum inocarum cruciatum(Franch.)Wolff ex R.H.Shan et F.T.Pu〕各自聚为组A、组B和组C,组D包含茴芹属和丝瓣芹属的种类,组E包含柴胡属的种类及紫茎小芹〔S.coloratum(Diels)Wolff ex R.H.Shan et F.T.Pu〕。主成分分析结果显示:前6个主成分的累计贡献率达到86.217%,其中第1主成分的贡献率达到36.561%,以背部果棱形状、侧棱形状、每果棱中维管束的数量、腹面是否有隐棱4个性状的绝对权重值均较高;总体上看,果棱、果体形状和分泌结构3大类9个解剖性状对阿米芹族的数量分类具有重要意义。依据数量分类结果,认为葛缕子亚族乃至阿米芹族的分类�
The vitality and germination rate of Glehnia littoralis Fr. Schmidt ex Miq. seeds were investigated. The results indicated that the ratio of seeds having necrotic embryo and endosperm reached to 40%. The cold stratification could obviously enhance the seed vitality of G. littoralis. At 0℃ and -10℃,the seed vitality were 46.7% and 48.1% respectively. The germination rate of G. littoralis seeds was 12.1% after the cold stratification(0℃)
