Species Detail Forb

Flowers and leaves		Yavapai County Native & Naturalized Plants Phacelia affinis - limestone phacelia Other Common Names: caterpillar weed, limestone scorpionweed, purplebell phacelia Plant Form: Forb or Subshrub Family: Hydrophyllaceae
Flowers and leaves


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Forb Plant Description

Origin: Native Life Cycle: Annual
General Desc: Erect plant with deeply lobed simple leaves or sometimes divided into several lobed leaflets.
Identification notes: Erect stems, few branches; flower spikes surpassing leaves, petals slightly exceed calyx (leafy whorl of sepals), stamens and style do not exceed the petals; leaf blades narrowly oblong, pinnatifid to pinnately lobed.
Height: 2 to 12 inches

Habitat

Habitat Description: Open, sandy or gravelly soil in desert mountains and washes, chaparral and pinyon-juniper communities.
Plant Communities: Desert Scrub, Interior Chaparral, Pinyon Juniper Woodland, Riparian
Elevation: 2000 - 4000 feet

Flower Characteristics

Color: Yellow, white to light purple Shape: Regular in elongated clusters Tubular: N Flowering Period: Mar - Jun
Description: The inflorescence is a one-sided curving or coiling cyme (flower cluster with a central terminal flower that develops first, other flowers develop later) of many tiny white to pale lavender bell-shaped flowers with yellowish throats.

Leaf and Stem Characteristics

Leaf Color: Green Leaf Type: Simple Leaf Shape: Pinnatifid Leaf Margin: Lobed Leaf Attachment: Alternate Leaves Clasp: N
Hairs: Leaves and stems Spines: N
Leaf Description: The leaves are oblong in shape and are generally either deeply lobed or divided into several lobed leaflets. Herbage with spreading and glandular hairs.

Fruit and Seed Characteristics

Fruit Type: Capsule
Fruit Notes: The fruit is a capsule about 1/4 inch long containing up to 30 seeds.
Seed Notes: Brownish seeds, oblong to spheric with 5 to 8 cross furrows.


	Arizona Cooperative Extension Yavapai County 840 Rodeo Dr #C Prescott, AZ 86305 (928) 445-6590	Version 8.0 http://cales.arizona.edu/yavapaiplants/SpeciesDetailForb.php Last Updated: Dec 13, 2022 Content Questions/Comments: Email Matt Halldorson Legal Disclaimer