File:Thorns_on_a_blackberry_branch_in_Norrkila.jpg · Wikimedia Commons · See Wikimedia Commons
Also known as thorn, prickle, spine, spinose teeth, spinose apical process
modified shoots, leaves, roots, or extensions of cortice and epidermis
A spinose structure is a sharp, pointed outgrowth on a plant—such as a modified shoot, leaf, root, or extension of the outer plant tissue—that serves as an adaptation for protection or other survival purposes. These spine-like structures matter because they help plants defend themselves against herbivores and can also aid in water conservation or other ecological functions.
AI-generated from the Wikipedia summary — may contain errors.
In the Vinony graph
Vinony's link graph records 716 inbound references to 棘, and connects out to leaf, stamen and bud.
It sits within the topics Biological defense mechanisms, Hazards of outdoor recreation and Plant morphology.
Vinony links it to 67 Wikipedia language editions.
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- Image
- Thorn image.JPG
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- Commons category
- Thorns, spines and prickles
- studied by
- glossary of plant morphology
- different from
- Dorn
Sources (2)
via Wikidata · CC0
Article · 日本語
植物学において、棘(とげ、いばら)は植物体に生じる刺状の構造の総称。厳密には、その成り立ちによって茎針(thorn)、葉針(leaf spine)、刺状突起体(prickle)などと区別されるが、本記事ではこれらの総称を棘と表記する。 これらの用語は以下のように使い分けられる。 * 茎針(thorn) - 茎や枝が変形して生じる構造。 * 葉針(leaf spine) - 葉や托葉、葉柄が変形して生じる構造。 * 刺状突起体(prickle) - 毛と類似するが、より粗いものを指す(バラのトゲなど)。茎の表皮や樹皮から生じる構造。 なお茎針と葉針は、ともに維管束をもつ構造であるため区別する必要は無く、刺状突起体は維管束を持たないためこれらから区別すべきとする主張もある。
Abstract from DBpedia / Wikipedia · CC BY-SA
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