What is a floral bract?

Bract, Modified, usually small, leaflike structure often positioned beneath a flower or inflorescence.

What is involucre bract?

involucre. A grouping of many involucral bracts , which are modified leaflets that grow at the base of an inflorescence or flower, as in the “cup” of an acorn in members of the oak family (Fagaceae).

What is a bract on a poinsettia?

Bracts are the leaves of poinsettia that change color depending on light exposure. Poinsettias change color in response to shorter winter days. Poinsettia flowers are actually made up of the bracts, which look like petals, and the tiny yellow flowers in the center, called cyathia.

What is Bracteate and Ebracteate flower?

bracteate flowers: Flowers with bracts (a reduced leaf at the base of the pedicel) are called bracteate flowers. Bracts are small leaf-like structures found at a flower’s base. China rose, tulip, lily, and other flowers are examples. ebracteate flowers: flowers without bracts are called ebracteate flowers.

What is bract example?

Examples of this type of bract include Euphorbia pulcherrima (poinsettia) and Bougainvillea: both of these have large colourful bracts surrounding much smaller, less colourful flowers. A prophyll is a leaf-like structure, such as a bracteole, subtending (extending under) a single flower or pedicel.

What is the difference between bract and Bracteole?

The primary difference between the two is that: Bract is a small leaf that arises from the pedicel. The leaf-like structure present between the flower and the bract is called bracteole.

What is a bract give an example?

What is the function of bract?

The primary task of a bract is to protect the inflorescence. Some, like the stinking passionflower, exude a substance that repels grazers. Others have bristles. They may look like a leaf, part of a flower or, like Euphorbia (spurge), part of the plant.

What is called bracteate?

A bracteate (from the Latin bractea, a thin piece of metal) is a flat, thin, single-sided gold medal worn as jewelry that was produced in Northern Europe predominantly during the Migration Period of the Germanic Iron Age (including the Vendel era in Sweden).

What is the function of bracteate?

When a flower arises in the axil of a leaf-like structure, this structure is known as a bract. Because bracts are large and brightly coloured structures, they are often mistaken for petals. This helps to attract insects for pollination.

Which is the best description of an involucral bract?

Involucral bracts linear-lanceolate, acute, [+ or -] 1 mm wide; with stellate, glandular and long simple eglandular trichomes in more or less similar proportions (generally, the eglandular trichomes are the most abundant).

Which is the best definition of the word involucre?

Definition of involucre : one or more whorls of bracts situated below and close to a flower, flower cluster, or fruit Other Words from involucre

What is the meaning of the word bract?

Also found in: Thesaurus, Medical, Encyclopedia. n. A leaflike or scalelike plant part, usually small, sometimes showy or brightly colored, and located just below a flower, a flower stalk, or an inflorescence. [From Latin bractea, gold leaf, perhaps from Greek brakhein, to rattle .]

Where are the bracts located in a flower?

: one or more whorls of bracts situated below and close to a flower, flower cluster, or fruit.

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