Thorn definition botany
Webthorn forest - WordReference English dictionary, questions, discussion and forums. ... Botany the trees on such a tract: to cut down a forest. Botany, British Terms, World … WebFeb 21, 2024 · jimsonweed, (Datura stramonium), also called thorn apple or devil’s snare, annual herbaceous plant of the nightshade family (Solanaceae). Possibly native to Central America, the plant is considered an invasive species throughout much of the Northern Hemisphere. It was used by Algonquin Indians in eastern North America, among other …
Thorn definition botany
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Webthorn: [noun] any of various sharp spinose structures on an animal. WebNote: a spine or thorn is "any sharp, stiff, simple or branched, woody appendage having vascular tissues confluent with those of the bearing structure. 'spine' is often prefered when the appendage is homologous with a leaf or stipule, and "thorn" when it is homologous with a branch" (Kiger & Porter 2001).
In plant morphology, thorns, spines, and prickles, and in general spinose structures (sometimes called spinose teeth or spinose apical processes), are hard, rigid extensions or modifications of leaves, roots, stems or buds with sharp, stiff ends, and generally serve the same function: physically deterring … See more In common language the terms are used more or less interchangeably, but in botanical terms, thorns are derived shoots (so that they may or may not be branched, they may or may not have leaves, and they may or may not … See more Pointing or spinose processes can broadly be divided by the presence of vascular tissue: thorns and spines are derived from shoots and leaves respectively, and have vascular bundles … See more Spinose structures occur in a wide variety of ecologies, and their morphology also varies greatly. They occur as: • sharpened … See more • Areole • Glochid • Trichome • Plant defense against herbivory See more The predominant function of thorns, spines, and prickles is deterring herbivory in a mechanical form. For this reason, they are classified as physical or mechanical defenses, as opposed to chemical defenses. Not all functions of … See more It has been proposed that thorny structures may have first evolved as a defense mechanism in plants growing in sandy environments that provided inadequate resources for fast regeneration of damage. See more Plants bearing thorns, spines, or prickles are often used as a defense against burglary, being strategically planted below windows or around … See more WebCommon shrubs are Adhatoda (Bankar, Basuti, Bansha), Gymnosporia (Putaki) and Indigofera (Kathi, Kainthi). Tropical thorn forests: These are low, open and pronouncedly xerophytic forests in which thorny leguminous species predominate. This type occupies the whole of the Indus plain except the driest parts. The major tree species are Prosopis ...
WebJan 11, 2024 · By definition, "binomial" means "characterized by having two names," from the prefix "bi-" (indicating "two") and the Latin word for "name," nomen . For example, botanical nomenclature classifies Oriental bittersweet as Celastrus orbiculatus. The first part of the name, Celastrus, is the genus, the second, orbiculatus, the specific epithet. WebMay 23, 2024 · thorn / [unvoicedth]ôrn / • n. 1. a stiff, sharp-pointed, straight or curved woody projection on the stem or other part of a plant. ∎ fig. a source of discomfort, annoyance, …
WebIn botany, a stipule is an outgrowth typically borne on both sides (sometimes on just one side) of the base of a leafstalk (the petiole ). Stipules are considered part of the anatomy of the leaf of a typical flowering plant, although in many species they may be inconspicuous —or sometimes entirely absent, and the leaf is then termed exstipulate. finley pharmacy nswWebDefine thorn. thorn synonyms, thorn pronunciation, thorn translation, English dictionary definition of thorn. n. 1. Botany a. A modified branch in the form of a sharp woody … finley pharmacy dubuqueWebBotanists use three different words for sharp things on plants. They are thorns, spines, and prickles.Thorns are the ends of branches that are hard and sharp. Spines are hard … finley pharmacy peosta iowaWebApr 24, 2024 · Sporotrichosis is a relatively rare infection caused by the fungus Sporothrix. It occurs when the fungus gets into the skin via a small cut, scrape, or puncture, such as from a rose thorn. The ... eso how to start elsweyrWebNote: a spine or thorn is "any sharp, stiff, simple or branched, woody appendage having vascular tissues confluent with those of the bearing structure. 'spine' is often prefered … finley phillipsWebDefine a thorn in side. a thorn in side synonyms, a thorn in side pronunciation, a thorn in side translation, English dictionary definition of a thorn in side. n. 1. Botany a. A modified branch in the form of a sharp woody structure. b. Any of … finley pharmacy bentonWebDefine thorn bush. thorn bush synonyms, thorn bush pronunciation, thorn bush translation, English dictionary definition of thorn bush. n. 1. Botany a. A modified branch in the form … finley pharmacy fontana ca