The gymnosperms (/ˈdʒɪmnəˌspɜːrmz, -noʊ-/ JIM-nə-spurmz, -⁠noh-; lit. 'revealed seeds') are a group of seed-producing plants that includes conifers, cycads...

sitchensis". Gymnosperm Database. "Doerner Fir – Tallest Douglas Fir". Retrieved 2013-02-25. "Pseudotsuga menziesii var. menziesii". Gymnosperm Database....

vary widely despite still being considered part of the gametophyte. In gymnosperms, the male gametophytes are produced inside microspores within the microsporangia...

Jurassic and Cretaceous Periods. It is characterized by the dominance of gymnosperms and of archosaurian reptiles, such as the dinosaurs; a hot greenhouse...

The gymnosperms consist of five orders of seed plants: Cupressales, Cycadales, Ginkgoales, Gnetales and Pinales. They developed more than 350 million...

referred to as the subclass Dicotyledons into two tribes, Gymnosperms and Angiosperms. In the gymnosperms (or Gymnospermae) Lindley included two orders, the...

arizonica (Arizona pine, pino de Arizona) description – I The Gymnosperm Database". The Gymnosperm Database. Retrieved 9 August 2018. Earle, Christopher J....

Ginkgoopsida is a proposed class of gymnosperms defined by Sergei V. Meyen in 1984 to encompass Ginkgoales (which contains the living Ginkgo) alongside...

that itself is surrounded by a fleshy fruit (e.g. almonds, walnuts); Gymnosperm seeds: naked seeds, with no enclosure (e.g. pine nuts); Angiosperm: seeds...

photosynthesis. Vascular plants include the clubmosses, horsetails, ferns, gymnosperms (including conifers), and angiosperms (flowering plants). Scientific...

Softwood is wood from gymnosperm trees such as conifers. The term is opposed to hardwood, which is the wood from angiosperm trees. The main differences...

J. "Sequoia sempervirens". Gymnosperm Database. Retrieved 2017-12-30. Earle, Christopher J. "Agathis australis". Gymnosperm Database. "Giant tree stats"...

Angiosperms are distinguished from the other seed-producing plants, the gymnosperms, by having flowers, xylem consisting of vessel elements instead of tracheids...

(which comes from angiosperm trees) contrasts with softwood (which is from gymnosperm trees). Hardwoods are produced by angiosperm trees that reproduce by flowers...

of the familiar land plants, including the flowering plants and the gymnosperms, but not ferns, mosses, or algae. The term phanerogam or phanerogamae...

applied to the sprouting of a seedling from a seed of an angiosperm or gymnosperm, the growth of a sporeling from a spore, such as the spores of fungi,...

of tree species are angiosperms or hardwoods; of the rest, many are gymnosperms or softwoods. Trees tend to be long-lived, some reaching several thousand...

(hornworts, liverworts, mosses, lycophytes, ferns, conifers and other gymnosperms, and flowering plants). A definition based on genomes includes the Viridiplantae...

considered the subclass Gnetidae or order Gnetales), grouped within the gymnosperms (which also includes conifers, cycads, and ginkgos), that consists of...

placentae are on inner surfaces of multilocular ovary (e.g. Nymphaea) In gymnosperms such as conifers, ovules are borne on the surface of an ovuliferous (ovule-bearing)...

secondary growth. All gymnosperms are woody plants. Their stems are similar in structure to woody dicots except that most gymnosperms produce only tracheids...

"Sequoia sempervirens". The Gymnosperm Database. Retrieved August 12, 2011. Earle, CJ (2011). "Pinus longaeva". The Gymnosperm Database. Retrieved August...

at the stigma of a flower (in flowering plants) or at the ovule (in gymnosperms). There are two types of self-pollination: in autogamy, pollen is transferred...

ˈɡɪŋkɡoʊ/ GINK-oh, -⁠goh), also known as the maidenhair tree, is a species of gymnosperm tree native to East Asia. It is the last living species in the order Ginkgoales...

Conifers are a group of cone-bearing seed plants, a subset of gymnosperms. Scientifically, they make up the division Pinophyta (/pɪˈnɒfɪtə, ˈpaɪnoʊfaɪtə/)...

species provide edible seeds; most are angiosperms, while a few are gymnosperms. As a global food source, the most important edible seeds by weight are...

coincident with the decline and extinction of previously widespread gymnosperm groups. The Cretaceous (along with the Mesozoic) ended with the Cretaceous–Paleogene...

are China, Russia, North Korea, Pakistan and Afghanistan. As pines are gymnosperms, not angiosperms (flowering plants), pine nuts are not "true nuts"; they...

Gnetales (gymnosperm) Welwitschia (gymnosperm)...

reproduced using spores. The earliest seed bearing plants to appear were the gymnosperms, which have no ovaries to contain the seeds. They arose during the late...