Detailed Explanation
Fluffy grass and artemisia. Also refers to the grass; grassy. The month order": ? Zhuangzi? The free trip":? (鴳) soaring between artemisia. Jin Ge Hong, "Holding Park Zi? Poverty in Peace":? It is because the one who climbs to the sky once he is shaken is not stuttering at the limit of the artemesia. Ming Li Mengyang, "Hanjing":? Li Mengyang, "Hanjing": Huo's Door, Foxes and Nights, Wei's Pool, Artemesia". Junqing, "Autumn Color Fugue" (秋色赋?)：? The Night Stay at Lingshan Mountain": "I saw the grass on the ground. The only thing I saw was the grass on the ground and the artemisia on the ground.
Borrowing to refer to the wild and remote places.
Han Huan Kuan "Salt and Iron? Tong have":? Mountain dwelling place, stony soil, the circulation of goods, there is to equalize. Tang Li Bai "Nanling Bie children into the capital" poem:? Li Bai's poem "Farewell to the Children at Nanling": "I am not a stony soil, I am not a man of stony soil". Qing Dynasty Chen Kangqi Lang Qian Ji Wen, Volume XIII:? And the world's most wonderful men and women, wisdom industry born, annihilation of artemisia, the name cataract silence, is not less than it is!
Alias of Chrysanthemum coronarium. See Ming Li Shizhen "Compendium of Materia Medica? Vegetables? Chrysanthemum".
Morphological features
Stem and leaves
Smooth and glabrous or several smooth and glabrous. Stems up to 70 cm tall, unbranched or branched from the middle and upper parts. Basal leaves withered at anthesis. Middle and lower stem leaves long elliptic or long elliptic-obovate, 8-10 cm long, sessile, bipinnately divided. One is parted or several times divided, with 4-10 pairs of lateral lobes. The second division is lobed, cleft or y lobed, the lobes ovate or linear. The upper leaves are small.
Flowers
Heads solitary at the top of the stem or a few at the tips of the stem branches, but not forming a conspicuous corymb, with pedicels 15-20 cm long. Involucre diameter 1.5-3 cm, involucral bracts 4-layered, inner layer 1 cm long, apically membranous enlarged into appendages. Ligule 1.5-2.5 cm long.
The ligulate-flowered achene has 3 raised narrowly winged ribs; there are 1-2 distinct intercostals between the ribs. Tubular-flowered achenes with 1-2 elliptic raised ribs, and inconspicuous intercostals.