
A cyathium (plural: cyathia) is one of the specialised pseudanthia (`false flowers`) forming the inflorescence of plants in the genus Euphorbia (Euphorbiaceae). A cyathium consists of: The flower-like characteristics of the cyathia are underlined by brightly coloured nectar glands and often by petal-like appendages to the nectar glands, or brigh.....
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http://en.wikipedia.org/wiki/Cyathium

an inflorescence of unisexual flowers surrounded by involucral bracts, e.g. the flowers of Euphorbia.*
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http://en.wikipedia.org/wiki/Glossary_of_botanical_terms

(from the article `Euphorbiaceae`) Flowers are of one sex, with male and female flowers usually borne on the same plant. Petals are rarely present. Flowers of Euphorbia are in ... In a number of genera of Euphorbiaceae, the inflorescence is highly modified into a flower cluster that mimics a single flower (pseudanthium). ... [2 relat...
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http://www.britannica.com/eb/a-z/c/173

the specialized inflorescence characteristic of the Euphorbiaceae, consisting of a flower-like, cup-shaped involucre which carries the several true flowers within
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http://www.calflora.net/botanicalnames/botanicalterms.html

An inflorescence of unisexual flowers surrounded by inwardly-rolled bracts. ... (09 Oct 1997) ...
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http://www.encyclo.co.uk/local/20973

the specialized inflorescence characteristic of the euphorbiaceae, consisting of a flower-like, cup-shaped involucre which carries the several true flowers within
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http://www.encyclo.co.uk/local/21767

cyathium An inflorescence (group of flowers produced by a plant) consisting of a cup-like cluster of modified leaves enclosing a female flower and several male flowers, as in the poinsettia.
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http://www.wordinfo.info/words/index/info/view_unit/599/

an inflorescence consisting of a cup-shaped involucre enclosing an apetalous, pistillate flower surrounded by several staminate flowers.
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https://www.infoplease.com/dictionary/cyathium
No exact match found.