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