Ephedraceae is a family of gymnosperms belonging to Gnetophyta, it contains only a single extant genus, Ephedra, as well as a number of extinct genera from the Early Cretaceous.

It is the only extant genus in its family, Ephedraceae, and order, Ephedrales, and one of the three living members of the division Gnetophyta alongside Gnetum and Welwitschia. In temperate climates, most Ephedra species grow on shores or in sandy soils with direct sun exposure.

ephedra, (genus Ephedra), genus of 65 species of gymnosperm shrubs of the family Ephedraceae. Ephedra is an evolutionally isolated group and is the only genus in the order Ephedrales (division Gnetophyta). Species are distributed in dry regions in both the Eastern and Western hemispheres.

Ephedra, genus of 65 species of gymnosperm shrubs of the family Ephedraceae. Ephedra is an evolutionally isolated group and is the only genus in the order Ephedrales. Some Asian species have been used as a source of the stimulant ephedrine, and …

2025年1月16日 · The Ephedraceae are the only widespread group of gymnosperms that are not of conservation concern. The IUCN (2020) has not identified any taxa as critically endangered, endangered, or vulnerable, and only one is listed as "near threatened."

The Ephedra genus (Ephedraceae) contains 69 species, four subspecies and two accepted varieties; all widely distributed in arid and semi-arid regions of Asia, Europe, Northern Africa (Sahara), southwestern North America and South America.

Ephedraceae–Mormon Tea family (type Ephedra, after Greek name for Hippuris, which resembles Ephedra). 1 genus/35–45 species (Figure 5.28). The Ephedraceae consist of xeromorphic, usu. dioecious, shrubs, vines, or small trees.