What are the characteristics of Asteraceae family?

Members of the family have flower heads composed of many small flowers, called florets, that are surrounded by bracts (leaflike structures). Bell-shaped disk florets form the centre of each head. Strap-shaped ray florets extend out like petals from the centre and are sometimes reflexed (bent back).

How do you identify an Asteraceae family?

Key identifying characteristics for Asteraceae include an inflorescence that is a composite head with disc florets, (ray florets may or may not be present), and an achene-like cypsela (fruit) with a fringe of hairs or papus. The leaf arrangement may be alternate or opposite, though rarely whorled.

Which of the following characters are found in Asteraceae family?

Floral characters

• Homogamous: All the florets are alike in structure and function.
• Heterogamous: Florets in heterogamous heads are of two types described below,
• Disc florets.
• Ray florets.
• Calyx: Absent or hairy pappus or scaly persistent.
• Corolla: Petals 5 in number, polypetalous, ligulate.
• Androecium: Absent.

What plants are in the aster family?

Daisy family
Compositae
Aster/Family

Plants in the Asteraceae family include: lettuce, daisies, sunflowers, chrysanthemums, asters, dandelions, goldenrod, coneflowers, thistles, artichokes, sunflowers, dahlias, marigolds, zinnias, asters, chamomile, chicory, sage, tarragon, ragweed, thistle, sagebrush, and yarrow.

Which type of fruit is found in Asteraceae family?

So, Cypsela is a characteristic fruit of the sunflower (Asteraceae family).

What family is the banana in?

Bananas
Banana/Family

Which plant belongs to family Apocynaceae?

Garden ornamentals belonging to the family include periwinkle (Vinca), oleander (Nerium), yellow oleander (Thevetia), frangipani (Plumeria), Natal plum (Carissa), common milkweed (Asclepias syriaca), bloodflower (A.

How many plants are in the aster family?

The Asters are the largest family of flowering plants in the northern latitudes, with 920 genera and 19,000 species found worldwide, including 346 genera and 2,687 species in the U.S. and Canada.

What foods are in the Asteraceae family?

food crops

• burdock (Arctium species)
• cardoon (Cynara cardunculus) artichoke (C. cardunculus, variety scolymus)
• chicory (Cichorium intybus)
• dandelion (Taraxacum species)
• endive (Cichorium endivia)
• ironweed (Vernonia species)
• lettuce (Lactuca sativa)
• salsify (Tragopogon porrifolius)

What kind of flowers are in the Asteraceae family?

Members of the family have flower heads composed of many small flowers, called florets, that are surrounded by bracts (leaflike structures). Bell-shaped disk florets form the centre of each head.

What are the economic importance of the Asteraceae?

Economic Importance of Asteraceae. The family Asteraceae contributes several food, dye, oil and medicine yielding plants. Also this family includes large number of ornamental plants. Lactuca sativa is the plant widely grown for vegetable. The leaves of this plant are used in salad preparation. The tubers of the plants Helianthus tuberosus,…

How are plants of the Asteraceae cross pollinated?

The plants of Asteraceae are cross pollinated by a variety of insects. Small flowers are made conspicuous by aggregation into heads. The flower heads are made more attractive by ray florets. A single visit of insect may pollinate large number of flowers. The nectar is secreted by a ring shaped disc found the base of the style.

What are the characteristics of the family Brassicaceae?

Following are the important characteristics of family Brassicaceae: These are generally herbs, annuals, biennials, or shrubs. The taproots are swollen due to food storage. The stem is erect, herbaceous, and rarely woody.

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