Introduction of Ce Bai Ye:Chinese Arborvitae Twig and Leaf or Cacumen Platycladi.

TCM Herbalism:Medicinals and Classifications. ✵The article gives records of the herb Chinese Arborvitae Twig and Leaf, its English name, Latin name, property and flavor, its botanical source one plant species, ①.Platycladus orientalis (L.) Franco., with a detailed introduction to the botanical features of this plant species, the growth characteristics, and ecological environment of this plant species, the features of the herb Chinese Arborvitae Twig and Leaf, its pharmacological actions, medicinal efficacy, and administration guide.

Cacumen Platycladi(Chinese Arborvitae Twig and Leaf).

Cacumen Platycladi:herb photo Pin Yin Name: Cè Bǎi Yè.
 English Name: Chinese Arborvitae Twig and Leaf.
 Latin Name: Cacumen Platycladi.
 Property and flavor: slightly cold, bitter, puckery.

 Brief introduction: The herb Cacumen Platycladi is the dried twig and leaf of Platycladus orientalis(L.) Franco, used in the same way as a blood-cooling hemostatic for treating epistaxis, hemoptysis, hematemesis, hematochezia, and metrorrhagia, also used for treating premature graying of hair. The herb is commonly known as Cacumen Platycladi, Chinese Arborvitae Twig and Leaf, Cè Bǎi Yè.

 Botanical source: Common herbal classics defined the herb Cacumen Platycladi(Ce Bai Ye) as the dry tip of branch and leaf(or the young shoots or young twig and leaf, or tip of branch and leaf) of the Cupressaceae family (cypress family) plant species (1). Platycladus orientalis (L.) Franco. This commonly used species is introduced:

(1).Platycladus orientalis (L.) Franco.

 Platycladus orientalis L. Franco.:growing tree Botanical description: The Platycladus orientalis (L.) Franco., is a plant of the Cupressaceae family (cypress family) and Platycladus genus, it is commonly known as "Platycladus orientalis", or "Thuja Orientalis", or "Oriental Arborvitae", or "Chinese Arborvitae", or "Ce Bai", or "Xiang Bai, Huang Bai, Bian Bai, Bian Song, Bian Hui, etc.". Evergreen trees, the tree grows up to 20 meters tall, with a diameter of 1 meter. The bark is thin, grayish-brown, sliver into strips. The branchlets are straight and flat. Leaves are scaly, alternating, 1~3 mm long, apex is slightly obtuse, upper and lower sides of branchlets exposed to partially obovate-shaped rhomboid or oblique square, the leaves on both sides folded over the base of upper and lower leaves in a keel shape. There are glandular grooves in the middle of the dorsal lobe.

 Platycladus orientalis L. Franco.:growing tree  Monoecious; Bulb is alone on top of the short branch; Male bulbs are yellow, ovoid, about 2 mm long. Globule fruit mature in the year, ovoid, 1.5~2 cm long, succulent, blue-green, white powder; Ripe wood, open, reddish-brown; Seed scales are 4 pairs, flat, back near the apex of the inverted tip, central seed scales 1-2 seeds. Seeds are ovoid or obovate, 4~6 mm long, grayish-brown or purplish brown, wingless or ridged, large and prominent umbilicus. Its flowering period is from March to April, the fruit ripens from September to November.

 Platycladus orientalis L. Franco.:growing tree Herb trait:  dry branches and leaves, different length, dense branches. The leaves are small, scaly, lying on flat branches, alternating, greenish-green. Branchlets are flattened, linear, brown. Brittle. Slightly fragrant, slightly bitter, slightly spicy. It is best to have tender, green leaves, and no broken leaves.

 Platycladus orientalis L. Franco.:fruiting tree Ecosystem:  The Platycladus orientalis (L.) Franco. grows in moist and fertile land, also grows on limestone rocks, moist and fertile slopes. Geographical distribution: This species is mainly distributed in most areas of China and is cultivated in most areas, except Qinghai and Xinjiang province. It is widely distributed from the south of the northeast, passing through north to the west and south reaches of Zhujiang river, and west to northwest, southwest. This species was native to the northwest area of China. It is also now naturalized as an introduced species elsewhere in Asia: southward to northern Pakistan; and westward to northern Iran.

 Platycladus orientalis L. Franco.:fruiting tree Ecological habit:  The plant fond of light, slightly resistant to shade when young, adaptable, not strict to soil requirements, can grow in acid, neutral, lime, and light saline soil. Drought resistance, poor infertility, strong germination capacity, moderate cold resistance. Weak wind resistance.

 Growth characteristics: The Platycladus orientalis (L.) Franco., is a temperate positive species, cultivated and wild. Calcareous soils, which are moist, fertile, and well-drained, are resistant to cold, drought, and salinity, and can grow on flat land or cliffs. In dry, lean mountains, growth is slow and plants are thin. Shallow root, but well-developed lateral root, strong germination, long life, anti-smoke, anti-sulfur dioxide, hydrogen chloride, and other harmful gases, widely distributes, it is one of the most commonly used ornamental trees in China.

 Platycladus orientalis L. Franco.:fruiting tree Landscaping:  The Platycladus orientalis (L.) Franco., has an indispensable position in landscaping. It can be used for roadway, pavilion garden, both sides of the gate, around the green area, roadside flower beds, inside and outside of walls, all are very beautiful. The seedlings can be used as a hedge, and the isolation zone is dotted with walls. In urban greening it is a common plant, Platycladus orientalis has a strong tolerance for dirty air, planted in downtown streets, roadside, good growth, no harm to the vision, adsorbing spinel, purifying the air, Platycladus orientalis could be planted in the window, near the door, very decorative effect. It is green in summer and winter, does not block the light, and does not obstruct the vision, more vitality especially in the snow. Platycladus orientalis is planted in the grass, flower beds, rocks, forest, which can increase the level of afforestation, rich aesthetic appreciation. Its characteristics of pollution resistance, cold resistance, and drought resistance have been well-developed in the northern greening. Use Platycladus orientalis, as a green seedling, the advantage is a low cost, the transplant survival rate is high, a wide supply of goods.

 Timber value: Wood is light yellow-brown, rich resin, fine texture, oblique line, strong corrosion-resistance, 0.58, solid durability. It is used for building, appliance, furniture, farm tools, and stationery.

 Chinese Arborvitae Twig and Leaf:herb photo Characters of herbs: The branches of this herb are different in length, multi-branched, and the branchlets are flat. Small leaves are scaly, opposite to each other, attached to branches, dark green or yellow-green. The texture of the herb is crisp and easily broken. The herb has a fragrant odor, it tastes bitter, puckery, and slightly pungent. The herb of better grade has tender leaves, turquoise (light green), and no crushed powder.

 Pharmacological actions: ①.shorten the clotting time; ②.inhibitory effect on staphylococcus aureus, Mlicrococcus catarrhalis, Bacillus dysenteriae, beta streptococcus, and on Mycobacterium tuberculosis, influenza, herpes virus; ③.antitussive; ④.expectorant; ⑤.antiasthmatic effects; ⑥.reduce blood pressure in cats.

 Medicinal efficacy: Cooling blood, hemostasis (stanch bleeding), grow hair and black hair, relieve cough and expectorant, dispelling wind dampness, disperse swelling poison. It is indicated for hememesis(spitting blood), epistaxis (nose bleeding or bleeding from five aperture or subcutaneous tissue), hematemesis, hematuria (blood in urine), hemafecia (pass blood in stool), dysentery with bloody stool, uterine bleeding and unstoppable, hemorrhoidal hamorrhage, bacterial dysentery, rheumatic arthralgia, hypertension, cough, cough with excessive phlegm, erysipelas, mumps, scalds, blood heat and alopecia (hair loss), premature whitening of hair and beard, etc.

 Administration of Cacumen Platycladi (Cè Bǎi Yè): 
Reference: Administration Guide of Cacumen Platycladi (Cè Bǎi Yè)
TCM Books: ①.Internally:6~12 grams. Externally:proper amount; ②.Internally:water decoction, 2~4 qian(about 6~12 grams), or prepare to pill, powder. Externally:wash with water decoction, mashed and apply stick, or prepare to ground herb powder and apply stick; ③.Internally:water decoction,6~15 grams, or prepared to pill, powder. Externally:proper amount, wash with water decoction, mashed and apply stick, or prepare to ground herb powder and apply stick.
 Contraindications,Precautions and Adverse Reactions:the herb Cacumen Platycladi better be used with wine, take much lead to vomiting.

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