(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)
Fig. Ephedraceae. a: anther, c: column, i: integument, b: perianth (or outer integument), p: macrosporangium
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

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.