Kallstroemia grandiflora Torr. ex A. Gray
Family: Zygophyllaceae
Arizona poppy,  more...
[Kallstroemia grandiflora var. arizonica ,  more]
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Max Licher  
Baldwin et al 2002, Kearney and Peebles 1961, McDougall 1973
Duration: Annual Nativity: Native Lifeform: Forb/Herb General: Diffuse annual herb with decumbent to ascending stems 10- 100 cm long, hirsute-hispid and also short-pilose. Leaves: Opposite, pinnate leaves 4-12 cm long with 5-9 pairs of leaflets; leaflets sessile, obliquely oblong, 2-5 mm wide, 8-25 mm long, asymmetrical at base, usually glabrous above, glabrate or pubescent with both coarse and fine hairs beneath; stipules linear-subulate, 4-6 mm long. Flowers: Orange and showy, solitary on pedicels from the leaf axils; pedicels 1-2 cm long at anthesis; sepals narrowly linear-lanceolate, 5 mm long, hirsute, persistent in fruit; petals 5, deep dark orange that fades to yellow with the day, narrowly obovate, 1.5 to 3 cm long; corolla center and filaments dark orange-red. Fruits: Fruiting pedicels 3-7 cm; body of fruits 4-5 mm and knobby, topped with a columnar beak much longer than the body of the fruit, 8-12 mm long. Ecology: Found on desert flats, gravelly or sandy soils; below 5,000 ft (1524 m); flowers February-September. Distribution: s CA, AZ, NM, sw TX; south to MEX Notes: Kallstroemia is a genus of prostrate, annual herbs with opposite, even-pinnate leaves, 5-petaled flowers on pedicels emerging from the leaf axils, and 10-lobed fruits that split into 10 reticulate nutlets at maturity. The style persists as a cap or beak on the top of the fruit until the fruit splits into nutlets. K. grandiflora has stiff, spreading hairs covering its herbage, showy orange flowers (petals 1.5- 3 cm long) that are much larger than other species in the genus, and fruits with long beaks (8-11 mm), which are twice as long as the nutlets and longer than other species in the genus. Ethnobotany: Unknown, but other species in the genus have uses. Etymology: Kallstroemia is named for Anders Kallstrom (1733-1812) a contemporary of Giovanni Antonio Scopoli, the author of the genus; grandiflora refers to the large flower. Synonyms: None Editor: SBuckley 2010, FSCoburn 2015, AHazelton 2015
Kallstroemia grandiflora image
Max Licher  
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Max Licher  
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Liz Makings  
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Liz Makings  
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Sue Carnahan  
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Sue Carnahan  
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Sue Carnahan  
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Patrick Alexander  
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Patrick Alexander  
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Thomas Van Devender  
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Thomas Van Devender  
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Ana L. Reina-Guerrero  
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Reina-Guerrero, A.L.  
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Sue Carnahan  
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Thomas Van Devender  
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Anthony Mendoza  
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Anthony Mendoza  
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Trageser, S.J.  
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Thomas Van Devender  
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George Yatskievych  
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Sue Carnahan  
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Thomas Van Devender  
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Beatriz Loyola  
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Thomas Van Devender  
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Thomas Van Devender  
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Sue Carnahan  
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Anthony Mendoza  
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Anthony Mendoza  
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Cass Blodgett  
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Cass Blodgett  
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