Plant Name
Scientific Name: Phacelia affinis
Common Names: Limestone Phacelia, Limestone Scorpionweed, Limestone Scorpion-weed, Purplebell Phacelia
Plant Characteristics
Duration: Annual
Growth Habit: Herb/Forb
Arizona Native Status: Native
Habitat: Desert, Upland. This small wildflower grows in desert washes and in other sunny, open, sandy or gravelly areas.
Flower Color: White, Pale lavender
Flowering Season: Spring
Height: Up to 1 foot (30 cm) tall
Description: The flowers are on the top side of coiled, 1-sided cymes. The individual flowers have 5 leaflike, glandular-hairy, sticky, green to red-tinged sepals and are bell-shaped with a yellow throat and 5 rounded lobes. The flowers are followed by tiny, hairy seed capsules. The leaves are green, alternate, hairy, narrowly oblong in shape, and deeply pinnately lobed or pinnately compound with usually lobed leaflets. The stems are erect, branched or not, green to reddish in color, and hairy to glandular-hairy and sticky above.
Classification
Kingdom: Plantae – Plants
Subkingdom: Tracheobionta – Vascular plants
Superdivision: Spermatophyta – Seed plants
Division: Magnoliophyta – Flowering plants
Class: Magnoliopsida – Dicotyledons
Subclass: Asteridae
Order: Solanales
Family: Hydrophyllaceae – Waterleaf family
Genus: Phacelia Juss. – phacelia
Species: Phacelia affinis A. Gray – limestone phacelia
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