Argemone polyanthemos (Fedde) G.B. Ownbey
Annual Pricklepoppy, Bluestem Pricklepoppy, Bluestem Prickly Poppy, Crested Pricklypoppy, Pricklypoppy, Thistle Poppy, White Prickly Poppy, White Pricklypoppy
Papaveraceae (Poppy Family)
Synonym(s): Argemone intermedia, Argemone intermedia var. polyanthemos, Argemone platyceras
USDA Symbol: ARPO2
A branched, pale blue-green, leafy plant with white flowers, yellow sap, and slender yellow prickles all over.
Argema, in Greek, means cataract of the eye, for which species of this genus were supposedly a remedy. There are several species in the West, all similar, a few with yellow, pinkish, or lavender petals. The herbage of this poisonous plant is so prickly and distasteful that livestock avoid it.
From the Image Gallery
Plant CharacteristicsDuration: Annual
Root Type: Tap
Leaf Complexity: Simple
Breeding System: Flowers Bisexual
Flower: Flowers 5 inches.
Size Class: 1-3 ft.
Bloom InformationBloom Color: White
Bloom Time: Apr , May , Jun , Jul , Aug , Sep , Oct
DistributionUSA: AZ , CO , IA , ID , IL , IN , KS , MT , ND , NE , NM , OK , SD , TX , UT , WA , WY
Native Distribution: South-central New Mexico and northern half of Texas; north to South Dakota and eastern Wyoming.
Native Habitat: Prairie, Plains, Meadows, Pastures, Savannas
Growing ConditionsWater Use: Low
Light Requirement: Sun
Soil Moisture: Dry
CaCO3 Tolerance: High
Soil Description: Gravelly, Sandy, Sandy Loam, Medium Loam, Clay Loam, Clay
BenefitUse Ornamental: Showy, Blooms ornamental, Long-blooming
Use Wildlife: Nectar-Bees, Nectar-Butterflies, Nectar-beetles
Warning: All parts of the plants are poisonous (including the seeds) if ingested. The spines contain a substance irritating to the skin. Sensitivity to a toxin varies with a personís age, weight, physical condition, and individual susceptibility. Children are most vulnerable because of their curiosity and small size. Toxicity can vary in a plant according to season, the plantís different parts, and its stage of growth; and plants can absorb toxic substances, such as herbicides, pesticides, and pollutants from the water, air, and soil.
Conspicuous Flowers: yes
PropagationPropagation Material: Seeds
Find Seed or Plants
Find seed sources for this species at the Native Seed Network.
From the National Organizations DirectoryAccording to the species list provided by Affiliate Organizations, this plant is on display at the following locations:
Texas Parks and Wildlife Department - Austin, TX
Native Seed Network - Corvallis, OR
BibliographyBibref 291 - Texas Wildscapes: Gardening for Wildlife (1999) Damude, N. & K.C. Bender
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Additional resourcesUSDA: Find Argemone polyanthemos in USDA Plants
FNA: Find Argemone polyanthemos in the Flora of North America (if available)
Google: Search Google for Argemone polyanthemos
MetadataRecord Modified: 2007-08-19
Research By: TWC Staff