万寿菊为一年生草本,系菊科(Compositae)万寿菊属(Tagetes L.)Nehes(1966),可分成两个亚属——Tagetes Subgenus(万寿菊)亚属和Lucida亚属。万寿菊约有40余种,常见的栽培和变种有小万寿菊(T.minuta L.)万寿菊(T.esecta L.)、孔雀草(T.patula L.)香叶万寿菊(T.lucida car.)、细叶万寿菊(T.temlifalia HBK)。它们大都由世界各地栽培的万寿菊变异而来。万寿菊植株高约60～100厘米。茎直立,粗壮,多分枝。叶对生,羽状深裂,裂片长椭圆形或披针形,长2.5～5厘米,边缘有尖锯齿,齿端有 Marigold is an annual herb, belonging to the genus Tagetes L. Nehes (Compositae) Nehes (1966), which is divided into two subgenus - the genus Tagetes Subgenus and the genus Lucida. Marigold about 40 kinds of common cultivars and varieties are marigold (T. minuta L.) marigold (T.esecta L.), peacock grass (T.patula L.) fragrant leaf marigold (T. lucida car.), T.temlifalia HBK. Most of them are marigolds cultivated from around the world. Marigold plants about 60 to 100 cm tall. Stem erect, stout, much branched. Leaves opposite, pinnately lobed, lobes oblong or lanceolate, 2.5-5 cm, margin serrulate, tooth ends with