The Siam Tulip or Summer Tulip (Curcuma alismatifolia) (Thai

Thai language

Thai , also known as Central Thai and Siamese, is the national and official language of Thailand and the native language of the Thai people, Thailand's dominant ethnic group. Thai is a member of the Tai group of the Tai–Kadai language family. Historical linguists have been unable to definitively...

: ปทุมา, pathuma, or ดอกกระเจียว, dok krajiao) is a tropical plant native to northern Thailand

Thailand

Thailand , officially the Kingdom of Thailand , formerly known as Siam , is a country located at the centre of the Indochina peninsula and Southeast Asia. It is bordered to the north by Burma and Laos, to the east by Laos and Cambodia, to the south by the Gulf of Thailand and Malaysia, and to the...

 and Cambodia

Cambodia

Cambodia , officially known as the Kingdom of Cambodia, is a country located in the southern portion of the Indochina Peninsula in Southeast Asia...

. Despite its name, it is not related to the tulip

Tulip

The tulip is a perennial, bulbous plant with showy flowers in the genus Tulipa, which comprises 109 species and belongs to the family Liliaceae. The genus's native range extends from as far west as Southern Europe, North Africa, Anatolia, and Iran to the Northwest of China. The tulip's centre of...

, but to the various ginger species

Zingiberaceae

Zingiberaceae, or the Ginger family, is a family of flowering plants consisting of aromatic perennial herbs with creeping horizontal or tuberous rhizomes, comprising ca. 52 genera and more than 1300 species, distributed throughout tropical Africa, Asia, and the Americas.Many species are important...

 such as turmeric

Turmeric

Turmeric is a rhizomatous herbaceous perennial plant of the ginger family, Zingiberaceae. It is native to tropical South Asia and needs temperatures between 20 °C and 30 °C and a considerable amount of annual rainfall to thrive...

. It can grow as an indoor plant, and is also sold as cut flowers.

One of the most famous wild fields of Siam Tulips is in the Pa Hin Ngam National Park

Pa Hin Ngam National Park

Pa Hin Ngam is a National Park in Chaiyaphum province in Thailand. The name Hin Ngam means beautiful stone, where Pa means forest....

 in the Chaiyaphum province

Chaiyaphum Province

Chaiyaphum is one of the north-eastern provinces of Thailand. Neighboring provinces are Khon Kaen, Nakhon Ratchasima, Lopburi and Phetchabun.- Etymology :...

of Thailand.