The prickly poppy (Argemone grandiflora) is a fine Mexican perennial with large white flowers.
The poppy grown in India is usually the white-flowered variety, but in the Himalayas a red-flowered poppy with dark seeds is cultivated.
The cyclamen poppy (Eomecon chionantha) is a pretty Chinese perennial, having roundish slightly lobed leaves and pure white flowers about 2 in.
The Iceland poppy (P. undicaule), is one of the showiest species, having grey-green pinnate leaves and flowers varying in colour from pure white to deep orange-yellow, orange-scarlet, &c. Specially fine varieties with stalks 18-24 in.
The poppy is cultivated wherever it will grow, the crop being far more profitable than that of any other product.