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Yavapai County Native & Naturalized Plants

Plagiobothrys arizonicus - Arizona popcornflower

Other Common Names: bloodweed
Plant Form: Forb or Subshrub

Family: Boraginaceae

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Max Licher @, Usage Rights: Creative Commons Attribution-ShareAlike (CC BY-SA)
Max Licher @, Usage Rights: Creative Commons Attribution-ShareAlike (CC BY-SA)
Max Licher @, Usage Rights: Creative Commons Attribution-ShareAlike (CC BY-SA)
Forb Plant Description

Origin: Native   Life Cycle: Annual
General Desc: Annual herb with an erect stem arising from a basal rosette. The plant is coated in long, rough, sharp hairs. The herbage leaks a staining purple juice when crushed.
Identification notes: White flowers; nutlets 4 or fewer are attached by a raised or rounded scar at their basal end; nutlets erect without barbed appendages; stigmas are head-like; leaves with a purple dye at least at the midrib and margins.
Height: 1 to 1-1/2 feet


Habitat Description: Dry, coarse soils in desert scrub, chaparral or pinyon juniper woodlands.
Plant Communities: Desert Scrub, Interior Chaparral, Pinyon Juniper Woodland
Elevation: 3000 - 7000 feet

Flower Characteristics

Color: White to yellowish     Shape: Regular in round clusters     Tubular: Y     Flowering Period: Mar - Jun
Description: The flowers are small, tubular, 5-lobed and borne in hairy, terminal-coiling flower cymes.

Leaf and Stem Characteristics

Leaf Color: Green to gray     Leaf Type: Simple     Leaf Shape: Narrow     Leaf Margin: Smooth     Leaf Attachment: Alternate and opposite     Leaves Clasp: Y
Hairs: Leaves and stems     Spines: N
Leaf Description: The leaves are dull green to gray, narrow and up to 1-1/2 inches long. They are usually hairy or bristly.

Fruit and Seed Characteristics

Fruit Color: Brownish   
Fruit Type: Nutlet
Fruit Notes: 2 to 4 nutlets per flower.
Seed Notes: Nutlets are tiny and arched in form.

  Arizona Cooperative Extension
Yavapai County
840 Rodeo Dr #C
Prescott, AZ 86305
(928) 445-6590
Version 8.0  
Last Updated: Nov 21, 2021
Content Questions/Comments: Email Mary Barnes  
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