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The gymnosperms ( / ˈdʒɪmnəˌspɜːrmz, - noʊ -/ ⓘ JIM-nə-spurmz, -noh-; lit. 'revealed seeds') are a group of seed-producing plants that includes conifers, cycads, Ginkgo, and gnetophytes, forming the clade Gymnospermae. The term gymnosperm comes from the composite word in Greek: γυμνόσπερμος ( γυμνός, gymnos ...
Salisburia ginkgo Rich., nom. illeg. Salisburia macrophylla Reyn. Ginkgo biloba, commonly known as ginkgo or gingko ( / ˈɡɪŋkoʊ, ˈɡɪŋkɡoʊ / GINK-oh, -goh ), [5] [6] also known as the maidenhair tree, [7] is a species of gymnosperm tree native to East Asia. It is the last living species in the order Ginkgoales, which first appeared ...
Conifers are a group of cone-bearing seed plants, a subset of gymnosperms. Scientifically, they make up the division Pinophyta ( / pɪˈnɒfɪtə, ˈpaɪnoʊfaɪtə / ), also known as Coniferophyta ( / ˌkɒnɪfəˈrɒfɪtə, - oʊfaɪtə /) or Coniferae. The division contains a single extant class, Pinopsida.
Doweld. Gnetum africanum ( eru or African jointfir) is a vine gymnosperm species found natively throughout tropical Africa. [3] [4] [5] Though bearing leaves, the genus Gnetum are gymnosperms, related to pine and other conifers. [6] [7] [8] Gnetum africanum has numerous common names and is grown in various countries across Africa, including ...
Gnetum gnemon is a gymnosperm species of Gnetum, its native area spans from Mizoram and Assam in India down south through Malay Peninsula, Malay Archipelago and the Philippines in southeast Asia to the western Pacific islands. [ 3] Common names include gnetum, joint fir, two leaf, melinjo, belinjo, bago, and tulip. [ 4]
Gymnosperms are divided into 12 families of trees, shrubs and woody vines. Sequoiadendron giganteum, the giant redwood, is the largest tree in the world, and Sequoia sempervirens, the coastal redwood, is the tallest. Ginkgo trees tolerate urban pollutants well, and are often planted in and near cities.
Ephedra is a genus of gymnosperm shrubs. The various species of Ephedra are widespread in many arid regions of the world, ranging across southwestern North America, southern Europe, northern Africa, southwest and central Asia, northern China and western South America. [2] It is the only extant genus in its family, Ephedraceae, and order ...
Welwitschia is a monotypic genus (that is, a genus that contains a single recognised species) of gymnosperm, the sole described species being the distinctive Welwitschia mirabilis, endemic to the Namib desert within Namibia and Angola. Welwitschia is the only living genus of the family Welwitschiaceae and order Welwitschiales in the division ...