Euphorbia sieboldiana

Euphorbia sieboldiana
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Rosids
Order:	Malpighiales
Family:	Euphorbiaceae
Genus:	Euphorbia
Species:	E. sieboldiana
Binomial name
	Euphorbia sieboldiana; Morr. & Decne.

Euphorbia sieboldiana, the Siebold's spurge,[1] is a species of flowering plant in the spurge family Euphorbiaceae. It is native to eastern Asia, where it is found in China, Japan, Korea, and eastern Russia.[2] Its natural habitat is in grassy areas and forest margins.[2] It is a common species in Japan.[3]

It is an rhizomatous perennial growing to 70 cm tall. It produces small flowers in compact pseudoumbels. These lack petal-like appendages. This species can be readily identified by the horn-like projections on the glands of the involucre.[2] Blooming time is in spring and early summer.[3]

Toxicity and Medicinal Uses

The plant is used medicinally in China, where it has the common name Langdu (狼毒花) lit. "wolf poison" (狼 lang "wolf" + 毒 dú "poison" + 花 huā "flower"). It shares this vernacular name with two other medicinal plants: Euphorbia fischeriana and the unrelated Stellera chamaejasme (family Thymelaceae) - which nonetheless has similar qualities, medicinal properties and uses, these being pungency, toxicity, cathartic, anthelmintic and expectorant activity, and topical use to treat ulcers and skin diseases.,[4][5]

References

Lee, Sangtae; Chang, Kae Sun, eds. (2015). English Names for Korean Native Plants (PDF). Pocheon: Korea National Arboretum. p. 465. ISBN 978-89-97450-98-5. Retrieved 14 March 2019 – via Korea Forest Service.
Euphorbia sieboldiana Flora of China
Ohwi, Jisaburo (1965). Flora of Japan. Smithsonian Institution. p. 594.
Perry, Lily M. assisted by Metzger, Judith Medicinal Plants of East and Southeast Asia, pub. The MIT Press 1980 ISBN 0 262 16076 5, page 144.
Chung yao chih [New Chinese Materia Medica] pub. Beijing 1959 vol. 1: Roots( being a project undertaken by the following institutions: Pharmaceut. Inst. Acad. Med., Peking; Bot. Gard., Acad. Sinica, Nanking; Peking Med. Col., Dept. Pharmacy; Tientsin Drug Supply House; Peking Coll. Chinese Medicine; Peking Drug Supply House. Preface by C.E. Wang. Translated by Mr. T.S. Wei.

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[1] Lee, Sangtae; Chang, Kae Sun, eds. (2015). English Names for Korean Native Plants (PDF). Pocheon: Korea National Arboretum. p. 465. ISBN 978-89-97450-98-5. Retrieved 14 March 2019 – via Korea Forest Service.

[FoC-2] Euphorbia sieboldiana Flora of China

[Ohwi-3] Ohwi, Jisaburo (1965). Flora of Japan. Smithsonian Institution. p. 594.

[4] Perry, Lily M. assisted by Metzger, Judith Medicinal Plants of East and Southeast Asia, pub. The MIT Press 1980 ISBN 0 262 16076 5, page 144.

[5] Chung yao chih [New Chinese Materia Medica] pub. Beijing 1959 vol. 1: Roots( being a project undertaken by the following institutions: Pharmaceut. Inst. Acad. Med., Peking; Bot. Gard., Acad. Sinica, Nanking; Peking Med. Col., Dept. Pharmacy; Tientsin Drug Supply House; Peking Coll. Chinese Medicine; Peking Drug Supply House. Preface by C.E. Wang. Translated by Mr. T.S. Wei.