Amphiachyris dracunculoides (DC.) Nutt.

Common Name and Taxonomy

Amphiachyris dracunculoides, commonly known as broomweed, is a North American flowering plant species belonging to the Asteraceae family.

Native Range

It is native to the United States, found primarily across the southern Great Plains, ranging from Missouri to eastern New Mexico.

Growth Form and Size

This species is a tall annual herb that can occasionally grow up to 200 cm (7 feet) in height.

Leaf Characteristics

Its leaves are linear, glabrous, and arranged alternately along stems.

Flower Head Composition

It produces yellow flower heads that contain both ray florets and disc florets.

Involucre Structure

The involucre is structured from 2 to 3 series of imbricate phyllaries.

Habitat Preferences

It grows in calcareous areas and is tolerant of disturbed habitats.