The genus Lycoris (amaryllidaceae) consist of about 20 species, distributed in warm temperate and subtropical zones of East Asia from southwestern China to Japan and southern Korea, with a few extending to northern Indochina and Nepal, 15 species of which are native to China. Lycoris species easily hybridize with each other; hybrids of morphological features vary frequently in nature and among cultivated genotypes. The chromosome numbers and karyotypes at species and genus level vary with wide range, includ...