Argemone pleiacantha subsp. pleiacantha
Family: Papaveraceae
Argemone pleiacantha subsp. pleiacantha image
Liz Makings  
Stems 5-12 dm. Leaf blades: proximal mostly lobed 4/5 distance to midrib; distal not clasping. Inflorescences: bud prickles often branched. Capsules mostly closely prickly, surface partially obscured, prickles straight or incurved. 2 n = 28. Flowering spring-summer; fruiting summer-fall. Foothills and adjacent high plains; 800-2200 m; Ariz., N.Mex.; Mexico (Chihuahua and Sonora).
STEMS: very prickly, with 40-60 slender, perpendicular or declined prickles per square cm of surface, the largest 4.5-6.5 mm. LEAVES: with 10-20 prickles per square cm of surface below, 4-6 prickles per square cm above; lower and middle cauline leaves lobed three-fourths to five-sixths to the midrib; uppermost leaves not clasping. FLOWERS: with 80-120 perpendicular. prickles per sepal, the largest prickles sometimes branched; sepal horn 7-10 mm long, with 6-10 prickles near its base. CAPSULAR: surface obscured by 100-120 prickles per square cm of surface, the largest ones 4-6 mm long. 2n = 28. NOTES: See also the parent taxon for further description. Dry gravelly soil, foothills and high plains: Apache, Cochise, Coconino, Gila, Graham, Greenlee, Navajo, Pima, Pinal, SantaCruz, Yavapai cos.; 750-2300m (2500-7500 ft); Apr; sw NM; nw Chih., ne Son., Mex. Hybridizes with A. ochroleuca and possibly also with A. gracilenta.. REFERENCES: Ownbey, Gerald B., Jeffrey W. Brasher, and Curtis Clark. 1998 Papaveraceae. J. Ariz. - Nev. Acad. Sci. 30(2): 120.
Argemone pleiacantha subsp. pleiacantha image
Liz Makings  
Argemone pleiacantha subsp. pleiacantha image
Liz Makings  
Argemone pleiacantha subsp. pleiacantha image
Patrick Alexander  
Argemone pleiacantha subsp. pleiacantha image
Patrick Alexander  
Argemone pleiacantha subsp. pleiacantha image
Patrick Alexander  
Argemone pleiacantha subsp. pleiacantha image
Patrick Alexander  
Argemone pleiacantha subsp. pleiacantha image
Patrick Alexander  
Argemone pleiacantha subsp. pleiacantha image
Patrick Alexander  
Argemone pleiacantha subsp. pleiacantha image
Anthony Mendoza  
Argemone pleiacantha subsp. pleiacantha image
Anthony Mendoza  
Argemone pleiacantha subsp. pleiacantha image
Liz Makings  
Argemone pleiacantha subsp. pleiacantha image
Argemone pleiacantha subsp. pleiacantha image
Argemone pleiacantha subsp. pleiacantha image
Argemone pleiacantha subsp. pleiacantha image
Argemone pleiacantha subsp. pleiacantha image
Argemone pleiacantha subsp. pleiacantha image
Argemone pleiacantha subsp. pleiacantha image
Argemone pleiacantha subsp. pleiacantha image
Argemone pleiacantha subsp. pleiacantha image
Argemone pleiacantha subsp. pleiacantha image
Argemone pleiacantha subsp. pleiacantha image
Argemone pleiacantha subsp. pleiacantha image
Argemone pleiacantha subsp. pleiacantha image
Argemone pleiacantha subsp. pleiacantha image
Argemone pleiacantha subsp. pleiacantha image
Argemone pleiacantha subsp. pleiacantha image
Argemone pleiacantha subsp. pleiacantha image
Argemone pleiacantha subsp. pleiacantha image
Argemone pleiacantha subsp. pleiacantha image
Argemone pleiacantha subsp. pleiacantha image
Argemone pleiacantha subsp. pleiacantha image
Argemone pleiacantha subsp. pleiacantha image
Argemone pleiacantha subsp. pleiacantha image
Liz Makings  
Argemone pleiacantha subsp. pleiacantha image
Argemone pleiacantha subsp. pleiacantha image
Argemone pleiacantha subsp. pleiacantha image
Argemone pleiacantha subsp. pleiacantha image
Argemone pleiacantha subsp. pleiacantha image
Argemone pleiacantha subsp. pleiacantha image
Argemone pleiacantha subsp. pleiacantha image
Argemone pleiacantha subsp. pleiacantha image
Argemone pleiacantha subsp. pleiacantha image
Argemone pleiacantha subsp. pleiacantha image
Argemone pleiacantha subsp. pleiacantha image
Argemone pleiacantha subsp. pleiacantha image
Argemone pleiacantha subsp. pleiacantha image
Argemone pleiacantha subsp. pleiacantha image
Argemone pleiacantha subsp. pleiacantha image
Argemone pleiacantha subsp. pleiacantha image
Argemone pleiacantha subsp. pleiacantha image
Argemone pleiacantha subsp. pleiacantha image
Argemone pleiacantha subsp. pleiacantha image
Argemone pleiacantha subsp. pleiacantha image
Argemone pleiacantha subsp. pleiacantha image
Argemone pleiacantha subsp. pleiacantha image
Argemone pleiacantha subsp. pleiacantha image
Argemone pleiacantha subsp. pleiacantha image
Argemone pleiacantha subsp. pleiacantha image
Argemone pleiacantha subsp. pleiacantha image
Argemone pleiacantha subsp. pleiacantha image
Argemone pleiacantha subsp. pleiacantha image
Argemone pleiacantha subsp. pleiacantha image
Argemone pleiacantha subsp. pleiacantha image
Argemone pleiacantha subsp. pleiacantha image
Argemone pleiacantha subsp. pleiacantha image
Argemone pleiacantha subsp. pleiacantha image
Argemone pleiacantha subsp. pleiacantha image
Argemone pleiacantha subsp. pleiacantha image
Argemone pleiacantha subsp. pleiacantha image
Argemone pleiacantha subsp. pleiacantha image
Argemone pleiacantha subsp. pleiacantha image
Argemone pleiacantha subsp. pleiacantha image
Argemone pleiacantha subsp. pleiacantha image
Argemone pleiacantha subsp. pleiacantha image
Argemone pleiacantha subsp. pleiacantha image
Argemone pleiacantha subsp. pleiacantha image
Argemone pleiacantha subsp. pleiacantha image