Native Plants
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Argemone pleiacantha
Argemone pleiacantha Greene
Southwestern Prickly-poppy, Bluestem Pricklepoppy, Southwestern Prickly Poppy
Papaveraceae (Poppy Family)
Synonym(s):
USDA Symbol: ARPL3
USDA Native Status: L48 (N)
All parts of this plant are poisonous. The leaves are pinnately lobed and have very spiny toothed margins and angular lobe tips. The stems are brittle and covered in spines. The foliage will ooze yellow sap if broken.
From the Image Gallery
Plant Characteristics
Duration: Annual , PerennialHabit: Herb
Leaf Arrangement: Alternate
Leaf Complexity: Simple
Fruit Type: Capsule
Size Notes: Up to about 4 feet tall.
Flower: Petals 6
Bloom Information
Bloom Color: White , YellowBloom Time: Jan , Feb , Mar , Apr , May , Jun , Jul , Aug , Sep , Oct , Nov , Dec
Bloom Notes: Blooms mainly in the summer. May flower year-round under the right conditions.
Distribution
USA: AZ , NMWeb Reference
Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.Webref 75 - Southwest Desert Flora (2020) Southwest Desert Flora
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter
Additional resources
USDA: Find Argemone pleiacantha in USDA PlantsFNA: Find Argemone pleiacantha in the Flora of North America (if available)
Google: Search Google for Argemone pleiacantha
Metadata
Record Modified: 2022-11-22Research By: Joseph A. Marcus