石蒜科(Amaryllidaceae)下的葱属(Allium),由于很多物种含有挥发性含硫化合物,因此被人类作为蔬菜及香料有着很长的驯化史,比如在两河及埃及古代王国就被普遍使用的大蒜(Allium sativum)和洋葱(Allium cepa).作为石蒜科的成员,一些葱属植物比如大花葱(Allium giganteum)也被培育成了园艺观赏品种.以下是一些关于葱属物种遗传谱系,亚属分类和花序结构的研究

图1 Systematics of disjunct northeastern Asian and northern North American Allium (Amaryllidaceae)
图2 New insights into the phylogenetic relationships among wild onions (Allium, Amaryllidaceae), with special emphasis on the subgenera Anguinum and Rhizirideum, as revealed by plastomes
图3,4 Phylogeny and new intrageneric classification of Allium (Alliaceae) based on nuclear ribosomal DNA its sequences
图5 Phylogeny and adaptive evolution of subgenus Rhizirideum (Amaryllidaceae, Allium) based on plastid genomes
图6 A molecular phylogeny of the wild onions (Allium; Alliaceae) with a focus on the western North American center of diversity.
图7-9 Flower morphology of Allium (Amaryllidaceae) and its systematic significance