Scientific Name: Carphochaete bigelovii
Common Names: Bigelow's Bristlehead, Bigelow Bush
Growth Habit: Subshrub, Herb/Forb
Arizona Native Status: Native
Habitat: Upland, Mountain. This wildflower grows on rocky slopes in grasslands, chaparral, and pine-oak or juniper-oak woodlands in the mountains.
Flower Color: White, Pale pink, Pale lavender
Flowering Season: Late winter, Spring, Early summer
Height: Up to 2 feet (61 cm) tall
Description: The rayless flower heads have a cluster of several relatively large disk flowers with 5 point-tipped lobes, a purplish or pinkish throat, and an exerted stigma with 2 arched branches. The flowers are followed by bristly seeds (cypselae). The leaves are green, hairy, dotted with tiny glands, linear to narrowly elliptical in shape, and either opposite or fascicled (in small bundles) on the older growth. The stems are stiff, slender, hairy, reddish, and may be woody at the base of the plant.
The similar Desert Palafox or Spanish Needles (Palafoxia arida) has disk flowers with much smaller lobes, and it is found in desert areas in the western half of Arizona.
Kingdom: Plantae – Plants
Subkingdom: Tracheobionta – Vascular plants
Superdivision: Spermatophyta – Seed plants
Division: Magnoliophyta – Flowering plants
Class: Magnoliopsida – Dicotyledons
Family: Asteraceae – Aster family
Genus: Carphochaete A. Gray – bristlehead
Species: Carphochaete bigelovii A. Gray – Bigelow's bristlehead
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