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''Ephedra intermedia'', with the Chinese common name of Zhong Ma Huang, is a species of ''Ephedra'' that is native to Siberia, Central Asia, Iran, Afghanistan, Pakistan, the western Himalayas, Tibet, Mongolia, and China.〔(Kew World Checklist of Selected Plant Families )〕〔Peschkova, G.A. (2005). Synopsis of the Siberian ''Ephedra'' species (Ephedraceae). Botanicheskii Zhurnal. Moscow & Leningrad 90: 423-436. 〕〔(Flora of China, Vol. 4 Page 98, 中麻黄 zhong ma huang, ''Ephedra intermedia'' Schrenk ex C. A. Meyer, Mém. Acad. Imp. Sci. Saint-Pétersbourg, Sér. 6, Sci. Math., Seconde Pt. Sci. Nat. Sci. Nat. 5: 278 1846 )〕 ;Description ''Ephedra intermedia'' is found in deserts, grasslands, floodlands and river valleys, slopes and cliffs, and sandy beaches. It grows at elevations of , in rocky or sandy dry habitats. The plant grows to tall. The strobili are dioecious, either male ''or'' female on any one plant, so both male and female plants are needed for seeds. ;Taxonomy It was originally described by Alexander Gustav von Schrenk and Carl Anton von Meyer in 1846. It was placed in section ''Pseudobaccatae'' (=sect. ''Ephedra sect. Ephedra''), "tribe" ''Pachycladae'' by Otto Stapf in 1889. In 1996 Robert A. Price classified ''E. intermedia'' in section ''Ephedra'' without recognizing a tribe.〔Price, R. A. (1996). Systematics of the Gnetales: A review of morphological and molecular evidence. ''International Journal of Plant Sciences'', 157(6): S40-S49.〕 == References == 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Ephedra intermedia」の詳細全文を読む スポンサード リンク
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