Aztec Dahlia, Garden Dahlia, Dahlia, Pinnate Dahlia, Georgina

Last updated: February 8, 2026Reviewed date: February 8, 2026Reading time: 8 min read

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বাংলা রোগী নোট এখনো যোগ করা হয়নি। পোস্ট এডিটরে “RX Bangla Patient Mode” বক্স থেকে সহজ বাংলা সারাংশ যোগ করুন।

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Article Summary

Key Takeaways

This article explains Facts of Dahlia in simple medical language.
This article explains Dahlia Scientific Classification in simple medical language.
This article explains Traditional uses in simple medical language.

Educational health guideWritten for patient understanding and clinical awareness.

Reviewed content workflowUse writer and reviewer profiles for stronger trust.

Emergency safety firstUrgent warning signs are highlighted below.

Seek urgent medical care if you notice

These warning signs are general safety guidance. Local emergency numbers and clinical judgment should always come first.

Severe symptoms, breathing difficulty, fainting, confusion, or rapidly worsening illness.
New weakness, severe pain, high fever, or symptoms after a serious injury.
Any symptom that feels urgent, unusual, or unsafe for the patient.

Emergency now

Use emergency care for severe, sudden, rapidly worsening, or life-threatening symptoms.

See a doctor

Book a professional medical evaluation if symptoms persist, worsen, recur often, affect daily activities, or occur in a high-risk patient.

Learn safely

Use this article to understand possible causes, tests, treatment options, prevention, and questions to ask your clinician.

Dahlia is a genus of bushy, herbaceous and tuberous perennial plants inherent to Mexico. It is the member of Asteraceae family which also includes daisy, sunflower, zinnia and chrysanthemum. Dahlia consists of 42 species with hybrids which is commonly grown as garden plants. The forms of flower are variable having one head per stem. It could be as small as 5 centimeters in diameter or upto 30 centimeters. It possesses leafy stems which range to the height from 30 cm to 2.4 meters. Majority of species do not produce cultivars or scented flowers. They are brightly colored with the display of most hues exceptionally blue.

Facts of Dahlia

Name	Dahlia
Scientific Name	Dahlia pinnata
Native	Dahila is native to Mexico and Central America to Columbia.
Common/English Name	Aztec Dahlia, Garden Dahlia, Dahlia, Pinnate Dahlia, Georgina
Name in Other Languages	Catalan: Dàlia, Daliera; Chinese: Da Li Hua, Dàlìhuā (大丽花), Dàlǐ jú (大理菊), Tiānzhú mǔdān (天竺牡丹), Yáng sháoyào (洋芍药), Sháo jú (苕菊), Xī fān lián (西番莲); Czech: Jiřina Zahradní; French: Dahlia; German: Dahlie, Georgine; Italian: Dalia, Georgina; Japanese: Tenjikubotan; Korean: Dalria; Malay: Bunga Dalia; Mexico:- Nahuatl: Acocotli, Cocoxochitl, Spanish: Dalia; Nepal: Lajure Phool; Polish: Dalia Ogrodowa, Georginia, Dalia Zmienna; Portuguese: Dahlia, Dália-Vulgar; Spanish: Dalia; Turkish: Yildiz Çiçegi, Dalya, Yıldız Çiçeği; Vietnamese: Thược Dược, Thổ Thược Dược, Ðại Lệ Cúc; Afrikaans: dahlia
Plant Growth Habit	Deciduous, branched, perennial
Soil	Moderately moist, well-drained, fertile
Plant Size	1.8 meters high
Root	Subterraneous tuberous
Stem	Hollow
Leaves	Opposite or whorled
Flowering Season	Mid-summer to autumn
Flower	Orange, Purple, Pink, White, Red, Yellow, 5 centimeters diameter
Fruit shape & size	Dorsally compressed

Dahlia Scientific Classification

Scientific Name: Dahlia pinnata

Rank	Scientific Name & (Common Name)
Kingdom	Plantae (Plants)
Subkingdom	Viridiplantae
Infrakingdom	Streptophyta (Land plants)
Superdivision	Embryophyta
Division	Tracheophyta (Vascular plants, tracheophytes)
Class	Magnoliopsida
Order	Asterales
Family	Asteraceae (Sunflowers, tournesols)
Genus	Dahlia Cav. (Dahlia)
Species	Dahlia pinnata Cav. (Pinnate dahlia)
Synonyms	Bidens variabilis (Desf.) Baill. Coreopsis crassifolia Sessé & Moc. (Illeg.) Coreopsis georgina Cass. Dahlia astrantiaefl ora (Sweet) G. Don Dahlia × hortensis Guillaumin Dahlia hybrid Dahlia nana Andrews Dahlia pinnata var. nana B.D. Jacks. Dahlia pinnata var. variabilis (Willd.) Voss Dahlia purpurea (Willd.) Poir. Dahlia purpurea var. fl avescens (DC.) Poir. Dahlia purpurea var. lilacina (Willd.) Poir. Dahlia purpurea var. pallida (Willd.) Poir. Dahlia purpurea var. rubra (DC.) Poir. Dahlia pusilla Zucc. ex DC. Dahlia rosea Cav. Dahlia royleana Knowles & Westc. Dahlia sambucifolia Salisb. Dahlia sphondyliifolia Salisb. (Illeg.) Dahlia superfl ua (DC.) W.T. Aiton Dahlia variabilis (Willd.) Desf. Georgia superfl ua DC. Georgia superfl ua var. fl avescens DC. Georgia superfl ua var. lilacina (Willd.) DC. Georgia superflua var. pallida (Willd.) DC. Georgia superflua var. purpurea DC. Georgia superflua var. rubra DC. Georgia variabilis (Willd.) Spreng. Georgina astrantiaefl ota Sweet Georgina purpurea Willd. Georgina rosea (Cav.) Willd. Georgina variabilis Willd.

Other common names of Dahlia are Aztec Dahlia, Garden Dahlia, Dahlia, Pinnate Dahlia and Georgina. Dahlia was stated as the national flower of Mexico in 1963. Tubers are cultivated as a food crop by Aztecs.

Plant

Dahlia pinnata is a branched, deciduous and perennial herb growing to the height of 1.8 meters with large subterraneous tuberous roots. Stems are hollow and leaves are whorled or opposite, simple to two pinnatisect with 3 to 5 elliptic, ovate serrated leaflets. Leaves are glaucous and glabrous beneath. Inflorescence is solitary, involucrate, long pedunculate and 10 to 20 cm across. Disc florets are actinomorphic, bisexual, tubular and five lobed. Ray florets are zygomorphic, several marginal rows. Fruit is an achene which is dorsally compressed with pappus being absent or shortly bidentate.

History

Dahlias are originated in Central America and are inherent from Mexico to Costa Rica. Flowers were known to the Toltecs. In about 1550, an Aztec herbal written in Latin was rediscovered in 1929 and it showed an evidence of the use of Dahlia for treating epilepsy.

Spanish adventurers took the plant back to Europe by more than 200 years ago. At the Botanical Gardens in Madrid, the Abbe Cavanille named the genus “Dahlia” for Andreas Dahl, a noted Swedish botanist and student of Carl Linnaeus.

Currently, there are 35 species which is being recognized. First species were Dahlia pinnata, D. coccinea and D. rosea. Dahlia being a natural hybrid, developing new varieties from the original simple blooms to a wide range of single and double-flowered blossoms in a saturated bright colors and various shapes which has been easy.

During 1800s, the popularity of Dahlia raised, numerous varieties emerged and were recorded. After the brief amour, the use of dahlia tubers as food crop for supplementation of potatoes, it was decided that it is better suited for decoration than food.

Traditional uses

In Pre-Spanish Mexico, tubers were used due to high content of fructose and inulin.
Petals and tubers were used by Aztecs for treating infected grazes, rashes and cracks in skin.
Tubers skin is rich in bacterial infections. সহজ বাংলা: ব্যাকটেরিয়ার সংক্রমণের ওষুধ।" data-rx-term="antibiotic" data-rx-definition="An antibiotic is a medicine used to treat bacterial infections. সহজ বাংলা: ব্যাকটেরিয়ার সংক্রমণের ওষুধ।">antibiotic compounds.
The crushed and mashed up petals are used to provide relief from stings or insect bites.
Use poultice made from petals over insect stings and inflamed skin areas.
Use the petals in footsoak to soothe tired feet.
Place the crushed petals on itchy sore spot.
Aztecs use the flowers to treat epilepsy.

Precautions

People with known allergy should avoid it.

How to Eat

Flower petals are consumed by adding it to salads.
In Mexico, tubers are consumed as vegetables.
The sweet extract of tuber is combined with cold or hot water or milk or is sprinkled on ice cream.
It is also included in Mexican mealie and chili dish, Dahlia dip, cream cheese and sundried tomato and Dahlia bread.
The tuber extract is used as a beverage.
It is used as a garnish.

Other Facts

Dahlia is the national flower of Mexico.
It is the official flower of San Francisco and Seattle.
The name dahlia is named after Anders Dahl, a Swedish 18th century botanist.
There are 20000 cultivars and 42 species of Dahila.
As a gift, Dahlia flower expresses sentiments of dignity and elegancy. It also symbolizes commitment and bond that lasts forever.
It is grown from tubers like potatoes in the ground.

References

Safety note: This is not a prescription or diagnosis. For severe symptoms, pregnancy danger signs, children with serious illness, chest pain, breathing difficulty, stroke-like weakness, or major injury, seek urgent care.

Which doctor may help?

Start with a registered doctor or the nearest qualified health center.

What to tell the doctor

Write when the problem started and how it changed.
Bring old prescriptions, investigation reports, and current medicines.
Write allergies, pregnancy status, diabetes, kidney/liver disease, and major past illnesses.
Bring one family member if the patient is weak, elderly, confused, or a child.

Questions to ask

What is the most likely cause of my symptoms?
Which danger signs mean I should go to hospital quickly?
Which tests are necessary now, and which can wait?
How should I take medicines safely and what side effects should I watch for?
When should I come for follow-up?

Tests to discuss

Vital signs: temperature, pulse, blood pressure, oxygen saturation
Basic physical examination by a clinician
CBC, urine test, blood sugar, or imaging only when clinically needed

Avoid these mistakes

Do not use antibiotics, steroid tablets/injections, or strong painkillers without proper medical advice.
Do not hide pregnancy, kidney disease, ulcer, allergy, or blood thinner use.
Do not delay emergency care when danger signs are present.

Medicine safety and first-aid guide

This section is for patient education only. It does not replace a doctor, pharmacist, or emergency care.

Safe first steps

Avoid heavy lifting, sudden bending, and prolonged bed rest.
Use comfortable posture and gentle movement as tolerated.
Discuss physiotherapy, X-ray, or MRI only when clinically needed.

OTC medicine safety

For mild back pain, pain-relief medicine may be discussed with a doctor or pharmacist.
Avoid repeated painkiller use if you have kidney disease, stomach ulcer, uncontrolled blood pressure, or are taking blood thinners.

Avoid these mistakes

Do not start antibiotics without a proper medical decision.
Do not use steroid tablets or injections casually for quick relief.
Do not delay emergency care because of home remedies.

Get urgent help if

Back pain with leg weakness, numbness around private area, loss of urine/stool control, fever, cancer history, or major injury needs urgent care.

Medicine names, dose, and timing must be decided by a qualified clinician or pharmacist after checking age, pregnancy, allergy, other diseases, and current medicines.

For rural patients and family caregivers

Patient health record and symptom diary

Write your symptoms, medicines already taken, test results, and questions before visiting a doctor. This note stays on your device unless you print or copy it.

Doctor to discuss: Doctor / qualified healthcare provider

Tests to discuss with doctor

Basic vital signs: temperature, pulse, blood pressure, oxygen level if needed
Relevant blood, urine, imaging, or specialist tests only after clinical assessment

Questions to ask

What is the most likely cause of my symptoms?
Which warning signs mean I should go to emergency care?
Which tests are really needed now?
Which medicines are safe for my age, pregnancy status, allergy, kidney/liver/stomach condition, and current medicines?

Emergency warning signs such as chest pain, severe breathing difficulty, sudden weakness, confusion, severe dehydration, major injury, or loss of bladder/bowel control need urgent medical care. Do not wait for online information.

Go to emergency care if you notice:

Severe or rapidly worsening symptoms
Breathing difficulty, chest pain, fainting, confusion, severe weakness, major injury, or severe dehydration

Doctor / service to discuss: Qualified healthcare provider; specialist depends on symptoms and examination.

Step 1
Check danger signs first
If danger signs are present, seek emergency care and do not wait for online information.
Step 2
Record the symptom story
Write when symptoms started, severity, medicines already taken, allergies, pregnancy status, and test results.
Step 3
Visit a qualified clinician
A doctor, nurse, or qualified healthcare provider can examine you and decide which tests or treatment are needed.
Step 4
Do only useful tests
Do tests after clinical assessment. Avoid unnecessary tests, random antibiotics, or repeated medicines without diagnosis.
Step 5
Follow up and return early if worse
If symptoms worsen, new warning signs appear, or treatment is not helping, return for review quickly.

Rural patient practical tips

Take a written symptom diary and all previous prescriptions/test reports.
Do not hide medicines already taken, even herbal or over-the-counter medicines.
Ask which warning signs mean urgent referral to hospital.

This roadmap is for education. A real diagnosis and treatment plan requires history, examination, and clinical judgment.

RX Patient Help

Ask a health question safely

Write your symptom story. A health professional or site editor can review it before any answer is prepared. This box is not for emergency care.

Emergency first: Severe chest pain, breathing trouble, unconsciousness, stroke signs, severe injury, heavy bleeding, or rapidly worsening symptoms need urgent local medical care now.

Frequently Asked Questions

Is this article a replacement for a doctor?

No. It is educational content only. Patients should consult a qualified clinician for diagnosis and treatment.

When should I seek urgent care?

Seek urgent care for severe symptoms, rapidly worsening condition, breathing difficulty, severe pain, neurological changes, or any emergency warning sign.