Home Flora Palaestina
Home Page
Name Search
Family List
Generic List
Species List
Ephedraceae Dumort. Search in IPNISearch in NYBG Virtual HerbariumSearch in Flora do Brasil 2020Search in Reflora - Virtual HerbariumSearch in Living Collections Decrease font Increase font Restore font

Published In: Analyse des Familles des Plantes 11, 12. 1829. (Anal. Fam. Pl.) Name publication detailView in Biodiversity Heritage Library

Project Name Data (Last Modified On 9/23/2011)
Acceptance : Accepted
Project data     (Last Modified On 9/23/2011)

One genus and 65 species mainly in subtropical regions of the northern and southern hemisphere.

     Some species contain the alkaloid ephedrine, used in medicine (Herba Ephedrae). All local species of Ephedra are browsed by goats and camels.

     Literature: Meyer C.A., Versuch einer Monographie der Gattung Ephedra, durch Abbildungen erlautert,Mém. Acad. Sci. Pétersb. 5: 35-108 (1846). Stapf O., Die Arten der Gattung Ephedra, Denkschr. Akad. Wiss. Math.-Nat. Kl. Wien56: 1-112 (1889). Riedl H., Ephedraceae, in: Rech. f., Fl. Iranica3: 1-8 (1963). Freitag H. & Maier-Stolte M., The Ephedra species of Forsskaol, identity and typification, Taxon 38: 545-556 (1989).


Export To PDF Export To Word

Mostly dioecious, much branched, erect or climbing shrubs. Branches usually green. Leaves opposite or whorled, often reduced to membranous sheaths. Reproductive organs axillary, opposite or arranged in whorls of 3 or 4 cones, each cone composed of 2-8 decussate pairs of bracts, the lower pair (or pairs) sterile, the others fertile. Staminate flowers of 2 opposite scales (perianth) subtending the single column of stamens; anthers 2-8, at end of column, sessile or stalked, each with 2-3 pollen sacs dehiscing by a terminal pore. Ovulate flowers in groups of 1-3, each consisting of 2-4 connate bracts (perianth) and an ovule with 2 pairs of bracts forming the outer and inner integuments, the latter terminating in an elongated style-like micropyle (micropylar tubule). Seed enclosed in the leathery, winged or fleshy integuments; cotyledons 2.


© 2018 Missouri Botanical Garden - 4344 Shaw Boulevard - Saint Louis, Missouri 63110