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Petalonyx thurberi A. Gray  
Family: Loasaceae
Thurber's sandpaper plant, more...Thurber's Sandpaper-Plant, Thurber sandpaper bush, sandpaper plant, Thurber's sandpaperplant
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Liz Makings
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JANAS 30(2)
Plant: shrub; to 2 m tall, often sprawling; current growth much branched Leaves: sessile, 0.4-4.5 cm long, 0.2-1.4 cm wide, those of branches markedly smaller that those of main axis; blade ovate to lanceolate; margin entire or with a few teeth INFLORESCENCE: RACEMES to 10 cm long, 1-1.5 cm wide. OUTER BRACT 3-8 mm long, 2-6 mm wide; margin crenate or with small teeth to nearly entire; apex abruptly attenuate Flowers: petals connate, 2.5-6.5 mm long; stamens 5-10 mm long Fruit: ACHENE 1.5-3 mm long; SEED subapical; testa non-sculptured; endosperm lacking Misc: Open sandy to gravelly areas, often in washes; below 1500 m (5000 ft); Apr-Nov Notes: Hairs on leaf surface are retrorse and recurved.Petals clawed. References: Christy, Charlotte M. 1998. Loasaceae. J. Ariz. - Nev. Acad. Sci. 30(2): 96. Kearney & Peebles; Arizona Flora. McDougall; Seed plants of N. Arizona.
Petalonyx thurberi
Open Interactive Map
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Anthony Mendoza
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Anthony Mendoza
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Anthony Mendoza
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Ashley Shepherd-Hall
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University of Florida Herbarium
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Ashley Shepherd-Hall
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Development supported by National Science Foundation Grants (DBI 9983132, BRC 0237418, DBI 0743827, DBI 0847966)
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