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Chinese Name: Parthenocissus tricuspidata

[category]: stems and vines

Japanese creeperstem

[alias]: climbing tiger, flying centipede, pseudodextrose, bundle stone dragon, maple vine.

[source]: Parthenocissus rusticus pidata（ Sieb.EtZucc . Planch.

[harvesting]: before defoliation, the stems are harvested, the segments are dried in the sun, and the roots can be harvested all year round.

[nature and taste]: see "plant morphology". Warm in nature, sweet in taste and astringent in taste.

[plant morphology]: deciduous shrub. The bark has lenticels and white pith. The branches are stout with short tendrils, many branches and sucker at the top. The leaves on the flower branch are oval in width, 8-18cm in length and 6-16cm in width, often 3-lobed, or the leaves on the lower branch divide into 3 leaflets, while the leaves on the young branch are smaller and often not divided. Cymes are usually found on short branches between two leaves, 4-8 cm long, shorter than petiole; 5-flowered; calyx entire; petal tip reflexed, ovary 2-locular, each locule has 2 ovules. Berries small globose, blue black when ripe. The flowering period is June and the fruiting period is September to October.

[growing place]: climbing on rocks, trees or walls. Produced in Liaoning, Hebei, Shaanxi, Shandong, Jiangsu, Anhui, Zhejiang, Jiangxi, Hunan, Hubei, Guangxi, Guangdong, Sichuan, Guizhou, Yunnan.

[chemical constituents]: the leaves contain cyanidin.

Function indications: dispelling wind and dredging collaterals, promoting blood circulation and detoxification. For rheumatoid arthritis pain; external use of traumatic injury, carbuncle, furuncle and swelling poison.