What does acotyledon mean?
Definitions for acotyledon
acotyle·don
This dictionary definitions page includes all the possible meanings, example usage and translations of the word acotyledon.
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Wiktionary
acotyledonnoun
A plant that has no cotyledons, as the dodder and all flowerless plants.
Webster Dictionary
Acotyledonnoun
a plant which has no cotyledons, as the dodder and all flowerless plants
Etymology: [Gr. 'a priv. + anything cup-shaped. See Cotyledon.]
Wikidata
Acotyledon
Acotyledon is used to refer to seed plants or spermatophytes that lack cotyledons, such as orchids and dodder. Orchid seeds are tiny with underdeveloped embryos. They depend on mycorrhizal fungi for their early nutrition so are myco-heterotrophs at that stage. Although some authors, especially in the 19th century and earlier, use the word acotyledon to include plants which have no cotyledons because they lack seeds entirely, others restrict the term to plants which have seeds but no cotyledons. Flowering plants or angiosperms are divided into two large groups. Monocotyledons or monocots have one seed lobe, which is often modified to absorb stored nutrients from the seed so never emerges from the seed or becomes photosynthetic. Dicotyledons or dicots have two cotyledons and often germinate to produce two leaf-like cotyledons. Conifers and other gymnosperms lack flowers but may have two or more cotyledons in the seedling.
Chambers 20th Century Dictionary
Acotyledon
a-kot-i-lē′dun, n. a plant without distinct cotyledons or seed-lobes.—adj. Acotylē′donous. [Gr. a, neg., and kotylēdōn. See Cotyledon.]
Numerology
Chaldean Numerology
The numerical value of acotyledon in Chaldean Numerology is: 4
Pythagorean Numerology
The numerical value of acotyledon in Pythagorean Numerology is: 6
Translations for acotyledon
From our Multilingual Translation Dictionary
- acotiledóneaSpanish
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"acotyledon." Definitions.net. STANDS4 LLC, 2024. Web. 19 Apr. 2024. <https://www.definitions.net/definition/acotyledon>.
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