joint-fir family
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joint-fir — jointˈ fir noun Any plant of the family Gnetaceae • • • Main Entry: ↑join … Useful english dictionary
joint fir — noun jointed and nearly leafless desert shrub having reduced scalelike leaves and reddish fleshy seeds • Syn: ↑ephedra • Hypernyms: ↑shrub, ↑bush • Hyponyms: ↑mahuang, ↑Ephedra sinica … Useful english dictionary
fir — /ferr/, n. 1. any coniferous tree belonging to the genus Abies, of the pine family, characterized by its pyramidal style of growth, flat needles, and erect cones. 2. the wood of such a tree. [1250 1300; ME firre, OE fyrh; c. OS furie; akin to OE… … Universalium
gymnosperm — gymnospermism, n. /jim neuh sperrm /, n. Bot. a vascular plant having seeds that are not enclosed in an ovary; a conifer or cycad. Cf. angiosperm. [1820 30; < NL gymnospermae name of type. See GYMNO , SPERM] * * * Any woody plant that reproduces… … Universalium
ephedra — /i fed reuh, ef i dreuh/, n. any of various plants of the genus Ephedra, growing in dry regions and having branching stems with dry scalelike leaves. [ < NL (Linnaeus) < Gk ephédra the horsetail plant, lit., sitting (upon a place), equiv. to ep… … Universalium
gnetophyte — ▪ plant Introduction any member of the division Gnetophyta, a small group of gymnospermous vascular plants that are represented by three living genera: Ephedra, Gnetum, and Welwitschia. There are 65 species in the genus Ephedra, 30 or more… … Universalium
Older Dryas — The Older Dryas was a stadial period between the Bølling and Allerød oscillations during the Pleistocene glacial period of 11,700 12,000 uncalibrated years ago.[1] It is named after an indicator genus, the alpine/tundra plant Dryas, which… … Wikipedia
genus Ephedra — noun type and sole genus of Ephedraceae: tropical and subtropical evergreen shrubby or creeping plants native to dry and inhospitable regions • Hypernyms: ↑gymnosperm genus • Member Holonyms: ↑Ephedraceae, ↑family Ephedraceae • Member Meronyms:… … Useful english dictionary
United States — a republic in the N Western Hemisphere comprising 48 conterminous states, the District of Columbia, and Alaska in North America, and Hawaii in the N Pacific. 267,954,767; conterminous United States, 3,022,387 sq. mi. (7,827,982 sq. km); with… … Universalium
cañada — /keuhn yah deuh, yad euh/, n. Chiefly Western U.S. 1. a dry riverbed. 2. a small, deep canyon. [1840 50; < Sp, equiv. to cañ(a) CANE + ada n. suffix] * * * Canada Introduction Canada Background: A land of vast distances and rich natural resources … Universalium
