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What is the difference between the roots and leaves of Saussurea involucrata?
According to the Pharmacopoeia, Saussurea involucrata, like a general Chinese medicine for clearing away heat and toxic materials, is mainly used to treat lung disease, amenorrhea, backache and arthritis, and has an aphrodisiac effect.

Stem has the function of transporting nutrients and water and supporting leaves, flowers and fruits in a certain space. Some stems also have the functions of photosynthesis, nutrition storage and reproduction.

When the stem grows, the terminal bud grows slowly, or withers earlier, or is a flower bud. The axillary bud below the terminal bud develops rapidly to replace the terminal bud, and so on, becoming the trunk.

Extended data:

morphological character

Saussurea involucrata is a perennial herb of Saussurea, with a height of 15-35cm. The rhizome is thick and the neck is surrounded by most brown leaves. Stems stout, base 2-3 cm in diameter, glabrous.

Dense leaves, sessile basal leaves and stem leaves, oval or ovoid leaves, length 14 cm, width 2-3.5 cm. The tip is blunt or sharp, the base is downward, the edge has sharp teeth, and both sides are hairless; The uppermost leaf bract is leaflike, membranous, pale yellow, broadly ovoid, 5.5-7 cm long and 2-7 cm wide, surrounding the raceme, with sharp teeth at the edge.

There are 10-20 heads, clustered into spherical racemes at the top of the stem, with no pedicels or short pedicels. The involucre is hemispherical with a diameter of 65438 0 cm; The involucral bracts have 3-4 layers, with purple-brown edges, sharp apex, sparsely villous outer layer, oblong outer layer, length 1. 1cm, width 5mm, middle layer and inner layer lanceolate, length 1.5- 1.8cm and width 2 mm.. The floret is purple, with a length of 1.6 cm, a tube length of 7 mm and a eaves length of 9 mm.

Achene oblong, 3 mm long. The crown hair is dirty white and has two layers, the outer layer is small and rough, 3 mm long, and the inner layer is long and feathery, with a length of 1.5 cm. The flowering and fruiting period is from July to September.

References:

Baidu encyclopedia-snow lotus