Artemisia capillaris leaves are very soft and withered. After flattening the leaves, the leaves are divided into 1 to 3 plumes. Leaf length 1 to 3 cm, width 1 cm, lobules linear, ovoid or oblanceolate, entire.

Artemisia annua leaves alternate, with green or light green leaves on both sides. The leaves in the middle of the stem are pinnately divided, with linear lobules, oblong, wedge-shaped at the base, sharp at the top and serrate.

Second, the difference between flowers

Artemisia capillaris is ovoid or nearly spherical, with many flowers and a diameter of 1.5 ~ 2mm.

Artemisia annua has head-shaped flowers, hemispherical or hemispherical, with a diameter of 3.5 to 4 mm, drooping inflorescences and pale yellow flowers.

Third, the difference in efficacy.

Artemisia annua, an authentic Chinese medicine, is the dry aerial part of Artemisia annua, a compositae plant. Harvesting in bud stage, cutting off the aboveground parts, chopping and drying in the sun. Clearing heat and relieving summer heat, eliminating steaming and stopping malaria. It can be used for fever due to summer evil, fever due to yin deficiency, night heat and early cooling, bone steaming fatigue, malaria cold and heat, and damp-heat jaundice.

Artemisia annua is a cheap antimalarial drug. The stem of Artemisia annua is cylindrical, with branches on the upper part, 30 to 80 cm long and 0.2 to 0.6 cm in diameter; The surface is yellow-green or brown, with longitudinal ridges; Slightly hard and easily broken, with marrow in the middle. Leaves alternate, dark green or brownish green, curly and fragile, complete with deep feathers, lobules oblong or oblong, short hairs on both sides. Unique smell, slightly bitter taste and cool feeling. It is best to be green, leafy and fragrant.

Artemisia capillaris due to dust, aging, Artemisia capillaris, and Artemisia capillaris (Shennong Herbal Classic, etc.) are also called Artemisia capillaris (Herbal School). ), Artemisia capillaris (Yearbook of Traditional Chinese Medicine), Artemisia capillaris (commonly known as Artemisia capillaris), Artemisia capillaris (Hubei), Artemisia capillaris (Guangxi), Artemisia ordosica and Artemisia ordosica (Jiangsu) are plants of Artemisia in Compositae. The seedlings harvested in early spring belong to Compositae and Artemisia, and Artemisia scoparia was recorded for the first time in Shennong Herbal Classic. Harvesting seedlings in early spring, removing old stems and impurities, and drying in the sun.

Extended data:

Artemisia annua and Herba Artemisiae Scopariae are regarded as blindly medicine, and it is considered that "Herba Artemisiae Scopariae is tender of Artemisia annua, which has the qi of lacking yang in early spring". However, Artemisia capillaris and Artemisia annua are not blindly drugs. Artemisia capillaris is a perennial plant and Artemisia annua is an annual plant. Even sages like Zhang Xichun are mistaken for one thing, indicating that their functions should be very similar.

Generally speaking, they are bitter, cold and fragrant, and have the qi of shaoyang, which can promote hair growth. Respectively, Artemisia capillaris mainly treats jaundice, while Artemisia annua mainly clears away heat.

We can discuss the difference of medicinal properties between these two plants from their different life histories. Artemisia annua is an annual plant. Starting from a seed, everything is earned by itself, so there are both yang and yin in it. Artemisia capillaris is different. The ancients said that it was because of Chen, and Lu Zhiyi said, "Because of the cause, it is still, and it is also entrusted; Therefore, Chen also has "Chen is its old root in previous years, and it sprouts on this tree every spring." It can be seen that it does not start from scratch, but relies on the inheritance of ancestors. It seems that it has a lot of capital when it first started to do business, so it only needs to develop itself, instead of focusing on accumulating Yin Qi like Artemisia annua.

But notice, where is Yinchen's capital? On the old roots, when we use medicine, we remove the old roots and use only the tender buds. This is equivalent to throwing away all its Yin Qi, leaving only its vitality.

We can also understand that things are always balanced by yin and yang. The yin and yang of Artemisia annua are balanced, and so are the yin and yang of Artemisia capillaris. However, the distribution of yin and yang of Artemisia capillaris is uneven, and its yin is mainly stored in the old roots, and the bud is mainly yang. In this way, Artemisia capillaris obviously not as yin-rich as Artemisia annua, which makes their indications different.

Artemisia annua contains a lot of yin and can be fragrant, so it is good at clearing bones and steaming. Shennong's herbal classics mainly record "joint insulation". Bone steaming is generally due to the deficiency of yin and blood, which makes people feel that heat is emitted from the inside. If the treatment is simply yang-nourishing, some yang-activating drugs may do more harm to yin blood; If you simply nourish yin, the yang will be trapped inside, which will consume yin and blood in the future. So you must look for drugs that can nourish yin and eliminate evil. Artemisia annua is undoubtedly very suitable.

"New Compendium of Materia Medica": "Artemisia annua L. specializes in relieving bone fatigue, especially relieving summer heat, which can relieve summer heat without consuming qi and blood ... because it is light and nourishing yin ... Artemisia annua L. can lead the fire in the bone and walk on the muscle surface, while Radix Adenophorae and Cortex Lycii can only cool the fire in the bone, but not vent it." The famous Artemisia annua turtle shell soup is used to treat "fever from yin, night fever, early cooling and fever" Wu Jutong himself said that Xiaochaihu decoction was changed, and Artemisia annua was used instead of Bupleurum to ward off evil spirits (probably because he was worried that Bupleurum would hurt yin).

Because Artemisia annua contains enough yin, compared with Artemisia capillaris, it tends to replenish blood, so Liang Yu blood is often used to stop bleeding. In short, Artemisia annua heat dissipation does not hurt yin.

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