Morphology, Taxonomy, Anatomy, and Palynology of the Opium Poppy ( L.) Cultivation in Northern Thailand.

In this paper, we present the morphology, taxonomy, anatomy, and palynology of . A detailed morphological description and illustrations of the species are provided, along with information about the identification, distribution, cultivation areas, habitats, pollinators, specimens examined, growing periods, phenology, etymology, vernacular name, and uses. The species can be characterized as a glabrous and glaucous herb with unlobed or pinnately lobed leaves, and an amplexicaul base; variations in color and morphological characteristics of petals; and white filaments, occasionally purple with a white basal part, broadened at the apical part.