Species Detail Forb

Flowers		Yavapai County Native & Naturalized Plants Parietaria pensylvanica - Pennsylvania pellitory Synonyms: Parietaria obtusa, Parietaria occidentalis, Parietaria pensylvanica var. obtusa Plant Form: Forb or Subshrub Family: Urticaceae
Flowers


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Leaves Patrick Alexander @http://swbiodiversity.org, Usage Rights: Creative Commons Attribution-ShareAlike (CC BY-SA)	Plant Patrick Alexander @http://swbiodiversity.org, Usage Rights: Creative Commons Attribution-ShareAlike (CC BY-SA)

Forb Plant Description

Origin: Native Life Cycle: Annual
General Desc: This plant is usually unbranched with small clusters of bracts and flowers at the axils of the middle to upper leaves.
Identification notes: Smooth 3-nerved leaves without stipules; leaves broadest below their middle and tapering at their apex; flowers compactly clustered, some perfect flowers, some unisexual; the bracts subtending the flowers are 2 to 3 times as long as the flowers.
Height: 4 to 16 inches

Habitat

Habitat Description: Rocky hillsides, west facing slopes and soil pockets on exposed bedrock.
Plant Communities: Desert Scrub, Interior Chaparral, Semidesert Grasslands
Elevation: 1500 - 4000 feet

Flower Characteristics

Color: Greenish-white Shape: Irregular in round clusters Tubular: N Flowering Period: Apr - Jun
Description: Each flower has 4 green sepals and no petals and is surrounded by several green linear hairy bracts.

Leaf and Stem Characteristics

Leaf Color: Green Leaf Type: Simple Leaf Shape: Round or oval Leaf Margin: Smooth Leaf Attachment: Opposite Leaves Clasp: N
Hairs: Leaves and stems Spines: N
Leaf Description: Leaves are smooth or slightly undulate along the margins. Near the base of the upper surface of each leaf, there is a major vein and 2 side veins that are clearly visible. The central stem is green, 4-angled and hairy.

Fruit and Seed Characteristics

Fruit Color: Brown
Fruit Type: Achene


	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