Hymenothrix wislizeni – Trans-Pecos Thimblehead

Hymenothrix wislizeni - Trans-Pecos Thimblehead, Yellow Thimblehead, TransPecos Thimblehead (flowers)

Hymenothrix wislizeni - Trans-Pecos Thimblehead, Yellow Thimblehead, TransPecos Thimblehead (flowers and butterflies)

Hymenothrix wislizeni - Trans-Pecos Thimblehead, Yellow Thimblehead, TransPecos Thimblehead (leaf)

Hymenothrix wislizeni - Trans-Pecos Thimblehead, Yellow Thimblehead, TransPecos Thimblehead

Plant Name

Scientific Name: Hymenothrix wislizeni

Common Names: Trans-Pecos Thimblehead, Yellow Thimblehead, TransPecos Thimblehead

Plant Characteristics

Duration: Annual, Biennial

Growth Habit: Herb/Forb

Arizona Native Status: Native

Habitat: Desert, Upland. This wildflower grows along roadsides, in desert washes, and in other areas with loose, sandy soil.

Flower Color: Yellow disks and rays

Flowering Season: Summer, Fall

Height: 2 to 5 feet (61 cm to 1.5 m) tall

Description: The flower heads are in branched, terminal clusters. The individual flower heads are small and have narrow, toothed rays. The leaves are mainly found near the base of the plant and are green, alternate, and ternately divided and dissected into 3 narrow lobes. The stems are green, tall, slender, and branched, especially near the tips.

Special Characteristics

Butterfly Plant – The flowers attract butterflies.

Classification

Kingdom: Plantae – Plants
Subkingdom: Tracheobionta – Vascular plants
Superdivision: Spermatophyta – Seed plants
Division: Magnoliophyta – Flowering plants
Class: Magnoliopsida – Dicotyledons
Subclass: Asteridae
Order: Asterales
Family: Asteraceae – Aster family
Genus: Hymenothrix A. Gray – thimblehead
Species: Hymenothrix wislizeni A. Gray – Trans-Pecos thimblehead

More About This Plant

Arizona County Distribution Map