Argemone mexicana

Argemone mexicana, commonly known as the Mexican prickly poppy or yellow thistle, is a flowering plant from the Papaveraceae family. Native to Mexico and Central America, it has spread globally due to its medicinal properties and ornamental value. The plant typically grows to a height of 1-2 meters and features a prickly stem with lobed leaves that are green on top and grayish-green underneath. Its bright yellow flowers, consisting of six petals, can measure up to 6 cm in diameter. For centuries, Argemone mexicana has been used in traditional medicine for its analgesic, anti-inflammatory, and antispasmodic properties. It contains alkaloids such as sanguinarine, which have been effective against various ailments including asthma, bronchitis, and jaundice, among others. In addition to its medicinal uses, the plant is employed in landscaping due to its attractive, year-round flowers, making it an ideal choice for gardens and parks. However, it is important to note that this species can become invasive if not properly managed. Overall, Argemone mexicana is an intriguing species of flowering plant, appreciated for both its medicinal value and ornamental appeal, making it a popular choice among gardeners worldwide.

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Characteristics

Plant Type

Herb

Life Cycle

Annual, Biennial, Perennial

Genus

Argemone

Family

Papaveraceae

Hardiness Zone

7-10

Mature Height

91 cm

Mature Spread

40 cm

Leaf Color

Green, Blue, Gray, Silver

Leaf Type

Deciduous

Flower Color

Yellow

Flower Size

6.35 cm

Bloom Time

Late spring, Summer, Early fall

Planting Time

Spring, Summer

Harvest Time

Mid summer, Late summer, Fall

Native Area

Belize, Honduras, Mexico, Guatemala, Peru, Dominican Republic, Trinidad and Tobago, Panama, Bahamas, Paraguay, Haiti, Venezuela, Guyana, El Salvador, Nicaragua, Ecuador, Suriname, Costa Rica

Tags (6)

Common Names (20)