Croton is the dried and mature fruit of the Croton tree of the Croton family in the Euphorbiaceae family. Its roots and leaves are also used for medicinal purposes. Croton tree is an evergreen tree, 6 to 10 meters high.

Young branches are green, covered with sparse star-like pubescence or almost hairless; second-year branches are gray-green with inconspicuous yellow thin longitudinal cracks. The leaves of the Chinese herbal medicine Croton are alternate; the petiole is 2 to 6 cm long; the leaves are ovate or oblong-ovate, 5 to 13 cm long and 2.5 to 6 cm wide, with an apex acuminate, a round or broadly wedge-shaped base, and 2 lobes near the petiole. Gland, leaf margin has sparse and shallow serrations, both sides have sparse star-like hairs, 3 main veins emerge; stipules fall early. The flowers are unisexual, monoecious; the racemes are terminal, with male flowers on the upper part and female flowers on the lower part, and some are all male flowers; the pedicels are thin and short, with star-like hairs; the male flowers are green and small, with a 5-lobed calyx. , sparse and fine star-like hairs, sepals ovate, 5 petals, recurved, densely covered with fine cotton-like hairs on the inner surface, 15-20 stamens, attached to the edge of the disk, disk-shaped; female flowers have 5-lobed calyx and no petals. , ovary round, 3-chambered, densely covered with short and thick star-like hairs, styles 3, slender, each with 2 deep lobes. The capsule is oblong to obovate, with 3 obtuse angles. Seeds are oval, 3 in number, light yellowish brown. The flowering period is from March to May. The fruiting period is from June to July.

Mostly cultivated plants; wild in valleys, streams, wilderness, and sometimes in dense forests. Distributed in Sichuan, Hunan, Hubei, Yunnan, Guizhou, Guangxi, Guangdong, Fujian, Taiwan, Zhejiang, and Jiangsu. The roots (croton tree roots), leaves (croton leaves), seed coats (croton shells) and the fatty oil from the kernels (croton oil) of the flowering plant of croton are also used for medicinal purposes, each of which is detailed in the article.

Functions and Indications

Relieving cold accumulation, clearing the orifices, removing phlegm, moving water, and killing insects. It can be used to treat cold accumulation and stagnation, chest and abdominal fullness and acute pain, bloody mass, phlegm habit, diarrhea, edema. External use can treat laryngeal wind, laryngeal paralysis, malignant sores and scabies. Croton tree treats cold accumulation and stagnation, chest and abdominal distension and acute pain, bloody mass, phlegm addiction, diarrhea, edema, laryngeal wind, laryngeal paralysis, malignant sores and scabies.

1. Junxia Cold Knot: Suitable for cold knot constipation, abdominal fullness and tingling pain; or children with stagnant milk and food, excessive phlegm and panic.

2. Attack phlegm and expel water: It can treat edema, fullness, and obstruction of bowel movements; cold food and chest congestion, excessive phlegm and saliva, stagnation and tightness in the chest and diaphragm, and cold sweating in the limbs; and phlegm-induced clearing of the orifices. Insanity.

3. Used to treat carbuncle and abscess. This product has the effect of eroding the abscess and draining the pus.

① "Herbal Classic": "It mainly treats typhoid, warm malaria, cold and heat, breaks the knots and hard accumulation in the mass, retains phlegm, and causes abdominal edema. Exercise the internal organs to open up obstructions and diuretic valleys. Remove them. Bad meat. "

② "Bielu": "It is not good for women with closed months, rotten fetuses, pus and blood from sores, and degeneration of husbands."

③" "Treatise on Medicinal Properties": "It is mainly used to break the accumulation of qi in the heart and abdomen, and cure ten kinds of edema, impotence, and abdominal distension."

④"Supplementary Materials of Materia Medica": "The main symptoms are addiction, qi, fullness, and abdominal distension." Accumulation of cold air and blood clots, lingering food, phlegm, drinking, and vomiting water. '

⑤ "Rihuazi Materia Medica": "To treat all diseases, relieve stagnation, eliminate wind and fatigue, invigorate the spleen and appetite, and eliminate phlegm." It can break blood, expel pus, reduce swelling and poison, and kill abdominal parasites. Treat malignant sores, polyps and scabies. "

⑥"Medicine Qiyuan": "Guide Qi and eliminate accumulation, remove cold in the internal organs, digest injuries caused by cold and raw and cold hard objects, and remove cold and dampness in the stomach. "

⑦ "Decoction Materia Medica": "It can clear the intestines and stop diarrhea." "

⑧"Compendium": "Cure diarrhea, epilepsy, abdominal pain, hernia, wind crookedness, deafness, laryngeal paralysis, toothache, and tonify the key points." "