Olneya tesota A. Gray  
Family: Fabaceae
desert ironwood,  more...
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Eugene, (Gene) Sturla  
Plant: Shrub or tree with stipular spines, canescent Leaves: even-1-pinnate, alternate or clustered; stipular spines sometimes 0 or breaking off, leaving scar, sometimes persisting above leaves and appearing internodal; leaflets 8-19, opposite or subopposite, obovate or elliptic, thick; axis extending beyond leaflets, pointed INFLORESCENCE: raceme, axillary, 2-4-flowered Flowers: corolla 10-12 mm, wings purple, other petals yellow-white to pink; 9 filaments fused, 1 free Fruit: legume, slowly dehiscent, oblong or elliptic, plump, irregularly narrowed between seeds, persistent; seeds 1-3 Misc: Often abundant in washes; < 600 m.; Apr-May References: Shreve and Wiggins 1964.J.C. Hickman, ed. The Jepson Manual.
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Max Licher  
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Max Licher  
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Max Licher  
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L.R. Landrum  
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Max Licher  
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Anne Barber  
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Max Licher  
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L.R. Landrum  
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Eugene, (Gene) Sturla  
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Thomas Van Devender  
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Patrick Alexander  
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Patrick Alexander  
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L. R. Landrum  
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Anthony Mendoza  
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L.R. Landrum  
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Arizona State University Herbarium  
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Ries Lindley  
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Anthony Mendoza  
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Thomas Van Devender  
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Ries Lindley  
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Sue Carnahan  
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Anthony Mendoza  
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Ries Lindley  
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Anne Barber  
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Anne Barber  
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Anne Barber  
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