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Pappus, in a composite flower, is the element of the individual disk and ray flowers that surrounds the flower structure, in the same manner at the base as calyx does in a non-compound flower. Pappuses may be like bristles, teeth or scales and are usually too diminutive to discern without some type of magnification device. The etymology of this name is that it derives from the Ancient Greek word pappos, Latin pappus, meaning old man, but also used for a plant - assumed to be an Erigeron species - having bristles, and also for the woolly, hairy seed of certain plants.
What else can I help you with?
What is the fluff of seeds called?
Thistledown - I'm assuming this is for the times jumbo crossword!
How does the fruit dandelion help in the dispersal of its seeds?
Dandelion seeds are attached to a feathery structure called a pappus, which acts like a parachute, allowing them to be carried by the wind to new locations. When the wind blows, the pappus helps the seeds to float away from the parent plant and cover greater distances for dispersal.
What do you call the top of a dandelion's head?
The top of a dandelion's head is called a "seed head" or "puffball." It is made up of many small, parachute-like structures called "pappus" that help the seeds disperse in the wind.
What weed has many seeds with white fluff to help them fly through the air?
The weed you are referring to is likely the dandelion (Taraxacum officinale). Dandelion seeds have white fluffy structures called pappus that allow them to be carried by the wind, helping with seed dispersal.
What are dandilion seeds called?
Dandelion seeds are commonly referred to as "puffballs" or "dandelion parachutes." They are actually the fluffy, white seed heads that form after the yellow dandelion flower blooms and matures. Each seed is attached to a fine, hair-like structure called a pappus, which helps it disperse in the wind.
What has the author Pappus Alexandrinus written?
Pappus Alexandrinus has written: 'Pappi Alexandrini collections guae supersunt'
What was pappus major contribution to math?
His contributions to projective geometry.
Who invented congruent triangle?
pappus of alexendria is the one who discovered congruent traingle
What is the fluff of seeds called?
Thistledown - I'm assuming this is for the times jumbo crossword!
How do you construct an arbelos pappus chain?
To construct a Pappus chain within an arbelos, begin by identifying the three semicircles that define the arbelos, which are formed by three tangent circles. From the points where these semicircles touch, draw circles tangent to each other and to the sides of the arbelos. The centers of these tangent circles will form a chain, known as the Pappus chain, which can be extended infinitely. This construction utilizes the unique properties of the arbelos and the relationships of tangency among the circles.
How does the fruit dandelion help in the dispersal of its seeds?
Dandelion seeds are attached to a feathery structure called a pappus, which acts like a parachute, allowing them to be carried by the wind to new locations. When the wind blows, the pappus helps the seeds to float away from the parent plant and cover greater distances for dispersal.
What is the english word for appooppanthadi?
Milk weed, For more please check apooppanthadi at Explore Kerala With Us YouTube channel
How are the fruits of a goatsbeard adapted to wind dispersal?
The fruits of a goatsbeard plant are equipped with a feathery pappus, which allows them to be easily carried by the wind over long distances. This adaptation helps in dispersing the seeds away from the parent plant, increasing the chances of successful colonization in new areas. The lightweight structure of the pappus enables efficient wind dispersal, aiding in the plant's reproduction and survival.
What is the application of pappus's theorem in mechanics?
Pappus's theorem in mechanics is primarily used to determine the centroid of a composite shape and to calculate the volume and surface area of solids of revolution. By applying the theorem, one can find the volume of a solid generated by rotating a planar area around an external axis, which is particularly useful in engineering and design applications. Additionally, it aids in analyzing the distribution of mass and stability of structures, contributing to the understanding of equilibrium and mechanical systems.
How do you say grandad in greek?
its παπούς (papus). sometimes it can be found with 2 p. [παππούς,pappus]papouli
How do dandelions change into puffs?
Dandelions change into puffs through a process called seed dispersal. After the bright yellow flower blooms, it matures into a spherical seed head composed of numerous tiny seeds attached to fine, hair-like structures called pappus. When the seeds are ready, the flower head dries out and the pappus expands, allowing the lightweight seeds to be carried away by the wind. This adaptation helps the dandelion spread and grow in new locations.
How does goats beard from a dandelion get dispersed?
The goat's beard, or dandelion seed, is dispersed primarily through wind. Each seed is attached to a fluffy, parachute-like structure called a pappus, which allows it to be carried away by even the slightest breeze. When the seed matures and the flower head dries, the pappus helps it float away from the parent plant, enabling it to colonize new areas. This wind dispersal mechanism increases the chances of germination in suitable environments.
