Calotropis gigantea  (L.) Dryand.

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Plants > Angiosperms > Apocynaceae > ​​Calotropis gigantea

Kingdom: Plantae
Clade: Angiosperms
Class: Dicots
Order: Gentianales
Family: Apocynaceae
Genus: Calotropis
Species: gigantea

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• Common names: Crown flower, Giant milkweed, Indian milkweed
• Thai names: ปอเถื่อน po thuean (Northern), ป่านเถื่อน pan thuean (Northern), รัก rak (Central), รักดอก rak dok (Central)
• Chinese names: 牛角瓜 niu jiao gua
• Distribution: Native to Cambodia, Indonesia, Malaysia, Philippines, Thailand, Sri Lanka, India, China, Pakistan, Nepal, and tropical Africa.
• Image locations: Chaiyaphum, Chonburi, Mae Hong Son (A.Muang, Pai), Nakhon Si Thammarat.
• Map info: Provinces are highlighted according to phytogeographical areas as used in the Flora of Thailand project.
• Additional notes: 

Image locations

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Images of Calotropis gigantea from Thailand.

Calotropis gigantea (Crown flower) Nakhon Si Thammarat

Calotropis gigantea (Crown flower) Nakhon Si Thammarat

Calotropis gigantea Chonburi January

Calotropis gigantea Chaiyaphum July

Calotropis gigantea Chaiyaphum July

Calotropis gigantea Chaiyaphum July

Calotropis gigantea, Muang Mae Hong Son, April 2018

Calotropis gigantea, Muang Mae Hong Son, April 2018

Calotropis gigantea, Pai Mae Hong Son, February 2018

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References: 
The Plant List
​Forest Herbarium - BKF​
BGO Plant Database, The Botanical Garden Organization
Flora of China