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(Upload on November 27 2021) [ 日本語 | English ]

Ephedraceae Dumort. (マオウ科)






Mount Usu / Sarobetsu post-mined peatland
From left: Crater basin in 1986 and 2006. Cottongrass / Daylily

[Engler's syllabus (エングラー体系)]

Order Ephedrales (マオウ)

One genus: Ephedra L.
Ca. 50 species in the world
Lifeform: shrub
Habitat: arid
Ephedra L. (マオウ)
Ephedra
Fig. Ephedraceae. a: anther, c: column, i: integument, b: perianth (or outer integument), p: macrosporangium
Ephedra
Fig. Ephedra trifurca Torr. ex S. Wats.

Ephedra L. (マオウ)


E. intermedia Schrenk et C. A. Meyer (チュウマオウ, 中麻黄)
E. equisetina Bunge (モクゾクマオウ, 木賊麻黄)
E. sinica Stapf (シナマオウ)
Use: medicine (-ephedrine, (+)-pseudoephedrine, ephedroxane, etc.)

Ephedra sinica Stapf transplanted in Hokkaido


Shinamaou (シナマオウ, 支那麻黄), Chinese ephedra or Ma Huang
(ソウマオウ/クサマオウ, 草麻黄)
Lifeform: dioecism, evergreen shrub
Distribution: Mongolia - eastern Russia - northeastern China
Habitat: deserts, waste and sandy places, plains and mountain slopes
Synonyms:

Ephedra flava F. P. Sm.
Ephedra ma-huang Tang S. Liu

sinica1 sinica2 sinica3
[1-3] in the experimental station of medicinal plant studies, Hokkaido University, on September 8 2021.

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