Hymenopappus artemisiifolius DC.

Common Name and Taxonomy

Hymenopappus artemisiifolius, commonly known as oldplainsman or wooly-white, is a North American flowering plant species belonging to the daisy family.

Geographic Distribution

It has only been recorded growing in the south-central United States, specifically in the states of Texas, Arkansas, and Louisiana.

Native Habitat

Its native natural habitat consists of sandy soils found in prairies and open woodlands.

Growth Form and Size

This species is a biennial herb that can grow up to 100 cm (39 inches) tall.

Flower Head Count

Each stem of Hymenopappus artemisiifolius produces 20 to 60 flower heads.

Flower Head Composition

Every flower head contains 40 to 60 disc flowers that can be white, yellow, purple, or red, and it does not produce any ray flowers.

Pollinator Association

The flowers of this plant attract butterflies.

Recognized Varieties

Two recognized varieties exist: Hymenopappus artemisiifolius var. artemisiifolius, found in Texas, Arkansas, and Louisiana; and Hymenopappus artemisiifolius var. riograndensis B.L.Turner, native to the Río Grande Valley in southern Texas.