Cyathium - Wikipedia
A cyathium (pl.: cyathia) is one of the specialised pseudanthia ("false flowers") forming the inflorescence of plants in the genus Euphorbia (Euphorbiaceae). A cyathium consists of: Five (rarely four) [citation needed] bracteoles. These are small, united bracts, which form a …
Comparative ontogeny of the cyathium in Euphorbia …
The cyathium is a cuplike structure of fused bracts, often with distinct extrafloral nectar glands and showy petaloid appendages, enclosing a single terminal stalked gynoecium (interpreted as a perianthless female flower) surrounded by four or five groups of stamens (interpreted as partial inflorescences of perianthless male flowers) .
Cyathium Inflorescence - Definition, Example, Euphorbia Family
Cyathium is a special type of cymose inflorescence. Cyathium is one of the specialised pseudanthium or false flowers which forms the inflorescence of plants. It can be seen in the genus of the Euphorbia. Here, the brackets fuse to form a cup-shaped structure. Some secretory glands can be seen on the margin or the periphery of the cup.
大戟花序 – 黑胡桃網路閣
是一種杯狀聚繖花序，這種花序是大戟科(Euphorbiaceae)中大戟屬與地錦草屬的植物所特有的花序，又稱大戟花序(cyathium) 外表看像一朵花，實際是由一朵雌花和外圍的多朵雄花組成的，雌雄花均無花瓣，外圍包著杯狀的總苞， 總苞之頂端外圍常會有1-數個蜜腺及狀 ...
Cyathium | plant anatomy | Britannica
…are in cup-shaped clusters called cyathia, each of which seems to be a single female flower but actually consists of a single pistil surrounded by several male flowers, each of which has a single stamen. These clusters of reduced flowers are enclosed by an involucre (whorl) of bracts (modified leaves)…
Cyathium Inflorescence - Definition, Structure, and Examples
2023年7月31日 · Cyathium refers to a special kind of pseudanthium, or false flower, that forms the inflorescence of certain plants, particularly those in the genus Euphorbia. In these plants, the bracts fuse together to form a cup-like structure with secretory glands visible on the margin or the periphery of the cup.
EUPHORBIA PBI
In Euphorbia, the flowers are reduced even more and then aggregated into an inflorescence or cluster of flowers known as a "cyathium" (plural cyathia). This feature is present in every species of the genus but nowhere else in the plant kingdom.
A Study on Cyathium Inflorescence - Unacademy
A cyathium (plural: cyathia) is a type of pseudanthium (false flower) that grows in the inflorescence of Euphorbia plants (Euphorbiaceae). A cyathium is made up of five (rarely four) bracteoles. The involucre consists of small, connected bracts that form a cup-like structure.
What is a Cyathium On a Flowering Plant? Does Every Flowering …
2022年12月14日 · What is a cyathium? A cyathium is a whorl of bracts (modified leaves) fused together (involucre) with a flower in the middle. Which plants have them? You can see the pink bracts above on the Euphorbia milii or crown of thorns and below on the poinsettia.
Euphorbia "Flowers," an introduction to the amazing Cyathia - Dave's Garden
2011年4月22日 · But what we often call their flowers are really more complex structures that include their flowers and multiple other parts, the sum total which are referred to as cyathia (or singularly, cyathium). When this distinction usually arises is when one is asked to describe the color of their flowers (as one is asked to do any time one enters a plant ...