在京郊西山脚下,中国科学院植物研究所北京植物园内,有一方供专家们研究和国内外游人观赏的鸢尾植物花卉芳圃。鸢尾属通常为根状茎粗壮、肥大的多年生草本观花植物。全球共300余种,分布于北温带。我国约40种,全国各地皆有分布,北部、西北部尤多。 At the foot of the western suburb of Beijing, Institute of Botany, Chinese Academy of Sciences, Beijing Botanical Garden, there is one for experts to study and domestic and foreign tourists ornamental iris plant flower garden. Irises are usually rhizome stout, hypertrophy perennial herbaceous plants. A total of more than 300 species, located in the northern temperate. About 40 species in China are distributed all over the country, especially in the north and northwest.