German Chamomile Botany Quiz

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Questions and Answers

What is the shape of the involucre in German Chamomile?

Lanculate

What is the color of the disc florets in German Chamomile?

Yellow

What is the number of syngenesious stamens in German Chamomile?

What is the type of corolla present in the disc florets of German Chamomile?

Tubular Signup and view all the answers

Which part of the disc florets is absent in German Chamomile?

Calyx Signup and view all the answers

Where are the palae situated in relation to the florets?

In the axil of the florets Signup and view all the answers

What is one of the internal uses of the plant?

As a carminative Signup and view all the answers

What is another name for the property of the plant that stimulates appetite and digestion?

Stomachic property Signup and view all the answers

Which of the following is NOT a use of the plant?

Lowering blood pressure Signup and view all the answers

What is the shape of the bracts and palae?

Oblong ovate Signup and view all the answers

What is another benefit of using the plant?

It can be used as a nerve tonic Signup and view all the answers

Where are the palae found in relation to the florets?

In the axils of the florets Signup and view all the answers

What is the shape of the apex of the bracts and palae?

Blunt Signup and view all the answers

What feature do the bracts and palae have?

A wide margin Signup and view all the answers

What is the feature that runs along the center of the bracts and palae?

A central keel Signup and view all the answers

What type of florets are present in abundance in the given composition?

Disc florets Signup and view all the answers

What is the function of the involucre in the composition?

It surrounds the receptacle Signup and view all the answers

What is distinctive about the pollen grains in the composition?

They are spiny in shape Signup and view all the answers

What is the purpose of the receptacle in the composition?

It carries the disc florets Signup and view all the answers

What is absent from the composition?

Palae Signup and view all the answers

What is a characteristic feature of the corolla?

Presence of papillae Signup and view all the answers

What is the primary compound found in the esters of the plant?

Chrysanthemic acid Signup and view all the answers

Which of the following is not a type of ester found in the plant?

Jasmolin II Signup and view all the answers

What is the shape of the papillae found on the corolla?

Rounded Signup and view all the answers

What are the active constituents of the plant?

Esters of chrysanthemic acid Signup and view all the answers

Study Notes

Morphology

Involucre: green, lanculate, glabrous bract with blunt apex
Bracts and paleae: oblong-ovate with blunt apex, central keel, and wide margin
Paleae: situated in the axils of the florets

Flowers

Disc florets: yellow, hermaphrodite, no calyx, tubular corolla
Stamens: 5, syngenesious
Gynoecium: present

Uses

Internal uses: carminative, aromatic, bitter stomachic
Pharmacological uses: anti-inflammatory, diuretic
Stimulates: appetite, digestion, sleep
Treats: colitis, diverticulosis, fever, headaches, pain
Use as nerve tonic

Microscopy

Diagnostic elements: numerous spiny pollen grains
Corolla: showing rounded papillae

Active Constituents

Esters of chrysanthemic acid: pyrethrin I, jasmolin I, cinerin I

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