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

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

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

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

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

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

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

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

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

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

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

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...

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...

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

than mosses. Vascular plants include the clubmosses, horsetails, ferns, gymnosperms (including conifers), and angiosperms (flowering plants). They are contrasted...

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

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...

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)...

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

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

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

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/)...

at the stigma of a flower (in flowering plants) or at the ovule (in gymnosperms) of the same plant. The term cross-pollination is used for the opposite...

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

since the Jurassic and can be found as fossil from Tertiary times. Taxodioideae Gymnosperm Database - Cupressaceae Gymnosperm Database - Sciadopityaceae...

names of the orders of his class Didynamia. The terms angiosperms and gymnosperm fundamentally changed meaning in 1827, when Robert Brown determined the...

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,...

Ginkgoales are a gymnosperm order containing only one extant species: Ginkgo biloba, the ginkgo tree. The order has a long fossil record extending back...

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...