There are two kinds of flower language in black cosmos:
1. No one can love you like me;
2. The end of a romantic love.
Introduction:
Cosmos is an annual or perennial herb, 1 to 2 meters high. The roots are spindle shaped, with many fibrous roots, or adventitious roots near the stem base. Stems glabrous or slightly pilose. Leaves secondary pinnate, lobes linear or filiform. Capitulum solitary, 3 to 6 cm in diameter; Peduncle 6 to 18 cm long. The outer layer of the involucral bract is lanceolate or linear lanceolate, nearly leathery, light green, with dark purple stripes, the upper end is long and narrow, 10 to 15 mm longer than the inner layer and the inner layer, and the inner layer is oval and ovoid, membranous. The hypanthium is flat, the upper end is filiform, nearly as long as the achene.