Learn About Plant Bracts What Is A Bract On A Plant

In botany, a bract is a modified or specialized leaf, especially one associated with a reproductive structure such as a flower, inflorescence axis or cone scale. Bracts are often (but not always) different from foliage leaves. They may be smaller, larger, or of a different color, shape, or texture.

What does bract mean?

1 : a leaf from the axil of which a flower or floral axis arises.

What is the function of a bract?

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.

Where is the bract located?

Bract, Modified, usually small, leaflike structure often positioned beneath a flower or inflorescence. What are often taken to be the petals of flowers are sometimes bracts—for example, the large, colourful bracts of poinsettias or the showy white or pink bracts of dogwood blossoms.

What are poinsettia bracts?

Bracts are the leaves of poinsettia that change color depending on light exposure. Native to Mexico, poinsettias are in the Euphorbia family and are a popular holiday plant because of their colorful bracts (leaves). There is also a species that is used as a cut flower.

What is the difference between bract and Bracteole?

a. Reduced leaf found at the base of the pedicel is called bract while leaf like structure present between bract and flower is called bracteole. b. ... Pedicie is the stalk of flower while peduncle is the stalk of inflorescence.

What is a bract of grass?

In grasses, each floret (flower) is enclosed in a pair of papery bracts, called the lemma (lower bract) and palea (upper bract), while each spikelet (group of florets) has a further pair of bracts at its base called glumes. These bracts form the chaff removed from cereal grain during threshing and winnowing.

What is difference between peduncle and pedicel?

As nouns the difference between pedicel and peduncle

is that pedicel is (botany) a stalk of individual flower; a stalk bearing a single flower or spore-producing body within a cluster while peduncle is (botany) the axis of an inflorescence; the stalk supporting an inflorescence.

What is the difference between sepals and bracts?

sepal is outermost whorl of flower present on thalamus but bract is a small leafy structure at base of pedicel.

What are sessile and Pedicellate flowers?

A flower which bears a stalk or pedicel is called as a pedicellate flower e.g. Hibiscus, Rose. A flower which is borne directly on the stem is called to be a sessile flower. It is devoid of a stalk. Examples are sunflower florets, Sisyrinchium.

What is Actinomorphic flower?

Most flowers are actinomorphic ("star shaped", "radial"), meaning they can be divided into 3 or more identical sectors which are related to each other by rotation about the centre of the flower. ... Actinomorphic flowers are also called radially symmetrical or regular flowers.

When large bract completely encloses whole inflorescence then it is called?

When the whole cluster of florets is surrounded by a whorl of bracts, it is collectively called as involucre. It is common in capitulum and cyathium inflorescence.

What is the meaning of Tepal?

A tepal is one of the outer parts of a flower (collectively the perianth). The term is used when these parts cannot easily be classified as either sepals or petals.

Where is the best place to plant a poinsettia?

Plant them in a sunny, well-drained location protected from north winds and frost. The south side of a house or wall is usually a good spot. Make sure the location receives no artificial light at night from flood lights, street lights or porch lights, as this can prevent poinsettias from blooming properly.

What do I do with my poinsettia after Christmas?

Toss the poinsettia when you grow tired of it or it becomes unattractive. For those home gardeners who enjoy a challenge, it is possible to get the poinsettia to bloom again next season. Cut the stems back to within 4 to 6 inches of the soil in March. The poinsettia may also be repotted at this time.

Is poinsettia poisonous to humans?

Poinsettia plants are less toxic than once believed. In most cases, poinsettia exposure causes only discomfort, including: A mild, itchy rash. Skin contact with the sap of a poinsettia plant can cause a rash.

Is Epicalyx and bract same?

In context|botany|lang=en terms the difference between bract and epicalyx. is that bract is (botany) a leaf or leaf-like structure from the axil out of which a stalk of a flower or an inflorescence arises while epicalyx is (botany) a group of bracts resembling a calyx.

What is meant by Bracteate flower?

Flowers with bracts (i.e. reduced leaf found at the base of the pedicel) are called bracteate flowers, and ebracteate flowers are the flowers without bracts.

What is bract Class 11?

Bract is a leaf or a scale borne on a floral axis different from foliage leaves. Bracteate is the condition of a flower bearing special foliage leaves called as bracts.

What are the parts of grass?

The grass leaf consists of three principal parts: Blade, sheath, and ligule. Other parts are collar and auricle.

What is a spikelet flower?

A spikelet, in botany, describes the typical arrangement of the flowers of grasses, sedges and some other Monocots. ... A floret consists of the flower surrounded by two bracts, one external—the lemma—and one internal—the palea.

What are grass stems called?

The stem, or culm, starts out a single section but develops nodes and internodes that segment it along its length. Other types of stems grow out from the base of the main grass plant and form stolons, or runners, that grow outward across the top of the soil.