Ulmus pumila

Ulmus pumila

(notes on materia medica)

[synonyms] Shu (the book of songs), Lei (Erya), Zheyu (Zheyu), gengyu (Guangya), pingzhiyu (Chinese tree taxonomy), and Cimei (Tianmu yam flora of Zhejiang Province).

[source] it is the root bark, bark or tender leaf of Ulmus pumila.

[plant morphology] Ulmus pumila

Deciduous trees, up to 10 meters high. Bark dark gray, deeply furrowed; young branches gray brown, densely hairy or sparsely pilose, with thick long spines. Leaves alternate, elliptic or elliptic oblong, 2-5.5 cm long and 1-3 cm wide, apex obtuse, base rounded or broadly cuneate, margin coarsely serrate, upper green, sparsely exfoliative pilose, glabrescent, with black dent, lower yellow green. The petiole is 1-4 mm long and densely covered with short hairs. 1-4 flowers clustered in the lower part of branchlets or leaf axils; calyx 4-5-lobed; stamen 4; pistil askew; style 2-lobed. Nut flat, 5-6 mm long, with crooked wings, apex 2-lobed, calyx persistent, flowering from April to May. The fruit period is from July to September.

Born in foothills, roadsides, near villages. Distributed in Jilin, Liaoning, Inner Mongolia, Hebei, Shanxi, Henan, Anhui, Jiangsu, Zhejiang, Jiangxi, Hunan and other places.

[functions and indications] records of Zhejiang Tianmu yam planting: "it is used to treat carbuncle, root bark or bark and vinegar mash and apply to the affected area; it is used to treat edema, and tender leaves are used as soup food. "

Chinese PinYin : Ci Yu