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open rocky hill side, volcanic substrate, with Ipomoea arborescens.
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thicket on gravelly volcanic soil in canyon bottom between rocky hills with Hosfordia alata
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thicket on gravelly volcanic soil in canyon bottom between rocky hills with Hosfordia alata
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thicket on gravelly volcanic soil in canyon bottom between rocky hills with Hosfordia alata
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thicket on gravelly volcanic soil in canyon bottom between rocky hills with Hosfordia alata
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thicket on gravelly volcanic soil in canyon bottom between rocky hills with Hosfordia alata
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thicket on gravelly volcanic soil in canyon bottom between rocky hills with Hosfordia alata
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thicket on gravelly volcanic soil in upper canyon drainage course between open hillsides with Dryopetalon runcinatum Herissantia crispa, Sida glabra, Ficus, Vachella, Eysenhardtia.
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on gravelly volcanic soil in upper canyon drainage course between open hillsides with Dryopetalon runcinatum Herissantia crispa, Sida glabra, Ficus, Vachella, Eysenhardtia
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on gravelly volcanic soil in upper canyon drainage course between open hillsides with Dryopetalon runcinatum Herissantia crispa, Sida glabra, Ficus, Vachella, Eysenhardtia
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tall, erect shrubs on coarse gravelly volcanic (rhyolite) soil of large, wide, braided sheet-wash arroyo draining costal plain with Caesalpinia caladenia, Caesalpinia palmeri, Diphysa occidentalis, Mariosousa willardiana. Note stalked gland on legume
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tall, erect shrubs on coarse gravelly volcanic (rhyolite) soil of large, wide, braided sheet-wash arroyo draining costal plain with Caesalpinia caladenia, Caesalpinia palmeri, Diphysa occidentalis, Mariosousa willardiana. Note stalked gland on legume
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tall, erect shrubs on coarse gravelly volcanic (rhyolite) soil of large, wide, braided sheet-wash arroyo draining costal plain with Caesalpinia caladenia, Caesalpinia palmeri, Diphysa occidentalis, Mariosousa willardiana. Note stalked gland on legume
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tall, erect shrubs on coarse gravelly volcanic (rhyolite) soil of large, wide, braided sheet-wash arroyo draining costal plain with Caesalpinia caladenia, Caesalpinia palmeri, Diphysa occidentalis, Mariosousa willardiana. Note stalked gland on legume
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Pima Canyon, Santa Catalina Mountains, Arizona. April 11, 2010
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Pima Canyon, Santa Catalina Mountains, Arizona, April 11, 2010
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Pima Canyon, Santa Catalina Mountains, Arizona. April 11, 2010
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