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See all on WikipediaUnifacial cambium - Wikipedia
The unifacial cambium (pl. cambia or cambiums) produces cells to the interior of its cylinder. These cells differentiate into xylem tissue. Unlike the more common bifacial cambium found in later woody plants, the unifacial cambium does not produce phloem to its exterior. Also in contrast to the bifacial cambium, the … See more
The unifacial cambium allowed plants to grow as tall as 50 metres. Lacking secondary phloem, unifacial cambium plants developed … See more
Wikipedia text under CC-BY-SA license Vascular cambium - Wikipedia
The vascular cambium is the main growth tissue in the stems and roots of many plants, specifically in dicots such as buttercups and oak trees, gymnosperms such as pine trees, as well as in certain other vascular plants. It produces secondary xylem inwards, towards the pith, and secondary phloem outwards, towards the bark.
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Cambium - Wikipedia
WEBThere are several distinct kinds of cambium found in plant stems and roots: Cork cambium, a tissue found in many vascular plants as part of the periderm. Unifacial …
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Evolution of development of vascular cambia and …
WEBApr 13, 2010 · The cambia of arborescent lycopods and Calamitales were unifacial, producing only secondary xylem. The cambium of Sphenophyllales was bifacial and produced both secondary xylem and …
Cambium – Definition, Location, Functions, & Diagram - Science …
WEBMay 27, 2022 · Unifacial Cambium. It is a cambium tissue that matures to form xylem but not phloem. The plants with unifacial cambium do not exhibit secondary growth and …
Lecture 12 Vascular Cambium
WEBOct 15, 2022 · Animation of vascular cambium cell divisions. 2) If cells are on only one side, the vascular cambium is called unifacial. Unifacial vascular cambia make either 2˚ xylem or 2˚ phloem, as was the case …
Vascular variants in seed plants—a developmental perspective
WEBJul 12, 2023 · Specifically in stems of seed plants, vascular variants are alternative trajectories that deviate from the typical growth (i.e. eustele + bifacial single cambium; …
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Mosaic modularity: an updated perspective and
WEBDec 15, 2018 · The fossil record has revealed vascular plant lineages – lepidodendrid lycophytes, zygopterid ferns (Fig. 3f), and possibly also cladoxylopsids, rhacophytaleans and stenokolealeans – with unifacial …
Radial plant growth - ScienceDirect
WEBSep 11, 2017 · Together, vascular and cork cambium contribute to radial growth in most land plants. Radial growth is diverse. In addition to being plastic during plant growth, …
American Journal of Botany - Botanical Society of …
WEBNov 1, 2013 · Increased hydraulic conduction and mechanical support by secondary xylem tissue produced by a vascular cambium evolved in several plant groups, either with a unifacial cambium or, in the case of the …
Cyatheaceae - an overview | ScienceDirect Topics
WEBEvolution of the first stem secondary thickening system: the unifacial cambium. This meristem type produced only a limited amount of wood (secondary xylem) because the …
Calamites - an overview | ScienceDirect Topics
WEB[Note that a secondary cambium independently evolved in fossil lineages within the lycophytes (e.g., Lepidodendron) and equisetophytes (e.g., Calamites), but this …
Lepidodendron - Wikipedia
WEBThe stem of the lycopsids had a unifacial vascular cambium, contrasting with the bifacial vascular cambium of modern trees. Though the bifacial cambium of modern trees …
(PDF) Mosaic modularity: an updated perspective and
WEBDec 1, 2018 · (f) Stem of Carboniferous pteridophyte Zygopteris illinoiensis with unifacial cambium (note absence of secondary phloem, especially at top, where tissue …
形成层 - 维基百科，自由的百科全书
WEB形成層 是一個植物組織層，提供未分化細胞給植物生長。. 有幾種不同種類的形成層被發現在植物的莖和根中：. 木栓形成層. 單面形成層 （英语：Unifacial cambium）. 維管形 …
Cambium Tissue | Definition, Types & Function | Study.com
WEBNov 21, 2023 · Unifacial cambium occurs in plants that do not have a secondary growth stage. Smaller, less complex plants have this type of tissue, and it does lead to a …
Vascular cambium
WEBVascular cambium is a type of meristem - a tissue consisting of embryonic (incompletely differentiated) cells from which other (and more differentiated) plant tissues originate. …
Cambium — Wikipédia
WEBLe cambium (du latin cambiare, changer), appelé « seconde écorce » ou « écorce intérieure », est une fine couche de cellules méristématiques secondaires qui sont des …
Lepidodendrales - Wikipedia
WEBThough modern seed plants have a bifacial cambium, the Lepidodendrids have a unifacial cambium, producing a secondary xylem only on their inner face. The phloem zone is …
Genetic Framework for Flattened Leaf Blade Formation in …
WEBJul 20, 2010 · In this study, we investigated the mechanisms underlying development and evolution of flattened leaf blades in unifacial leaves using two Juncus species: Juncus …
Unifacial Cambium Diagram : r/botany - Reddit
WEBI am currently doing an essay on lepidodendrales. I have searched everywhere online and I cannot find a diagram of the vascular arrangement in unifacial cambium. Would …
形成层 - 维基百科，自由的百科全书 - zh.wikipedia.org
WEB有几种不同种类的形成层被发现在植物的茎和根中：. 木栓形成层. 单面形成层 （英语：Unifacial cambium）. 维管形成层. 形成层别称维管形成层，是植物中纵向贯穿根和 …
Tsuga chinensis - Wikipedia
WEBTsuga chinensis is a large tree with bark that is a blackish brown in colour. The scaly bark has irregular longitudinal breaks, and lenticels that are very inconspicuous. The outer …
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