How many kinds of flowers are there in the world? What are their names?

Peony is the national flower of China.

The National Flower of Chile-Lily

The National Flower of Britain-Chinese Rose

The National Flower of Italy-Daisy

New Zealand's National Flowers-Alsophila spinulosa and Pteris argentea

The National Flower of Singapore-Jin Zhuo Vandelan

Pomegranate, the national flower of Spain

The National Flower of Tanzania-Lilac

The National Flower of Thailand-Water Lily

Water lily, the flower of Bangladesh

The National Flower of Egypt-Water Lily

Japanese national flower-cherry blossom and Mexican national flower-cactus.

The National Flower of America-Mountain Rose

Kenya's National Flower-Kenshanlan

The National Flower of Holland-Tulip

Tulip, the national flower of Turkey.

The National Flower of Korea-Woody Flowers

Wei Ying, the national flower of France.

Sunflower, the National Flower of Russia

The national flower of Germany-cornflower

Australian National Flower-Acacia.

Brazil's national flowers-tropical orchids and hairy crab claw orchids

Afghanistan: tulips

Algeria: Iris, oleander.

United Arab Emirates: malachite and zinnia

Argentina: ivory red

Austria: edelweiss

Azania: Brody.

Belgian: Rhododendron, Rose, Bai Weiling Beauty.

Bhutan: Meconopsis

Bolivia: Cantua

Bulgaria: Rosa Turkestana

Myanmar: Dragon Boat Flower

Colombia: Three-way Catland

Costa Rica: Catland

Cuba: ginger flower

Denmark: Chrysanthemum

Ecuador: Lee Castelain

Ethiopia: calla lily

Fiji: Fusang

Finland: Lily of the Valley

Greece: Corydalis

Honduras: Carnation

Liechtenstein: Lilium pulse

Hungary: tulips

India: Lotus

Indonesia: Chestnut

Iraq: Chinese rose

Iran: Turkish rose, tulip bell flower

Ireland: white clover Israel: anemone

Cambodia: water lilies

Latvia: cornflower

Lithuania: Ruxiang

Guyana: water lilies

Libya: pomegranate

Laos: frangipani

Luxembourg: Chinese rose

North Korea: Welcome azaleas.

Madagascar: Tourism Bananas

Malaysia: Fusang

Malta: cornflower

Morocco: Chinese rose, carnation

Nicaragua: ginger flower

Nepal: Rhododendron arborescens

Monaco: Carnation

Pakistan: Su Qing

Peru: Sunflower, Cantu Flower

Philippines: Chestnut

Poland: Corydalis tricolor

Portugal: lavender

Romania: Dog Rose

Switzerland: edelweiss

South Africa: Brody Creeping

Sweden: Lily of the Valley

Guatemala: Lee Castelain

Zimbabwe: THE TEMPLE OF JIALAN

(This is some representative. )