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Saguaro National Park west, Pima County, Arizona, US
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Saguaro National Park west, Pima County, Arizona, US
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Saguaro National Park west, Pima County, Arizona, US
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Saguaro National Park west, Pima County, Arizona, US
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Saguaro National Park west, Pima County, Arizona, US
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Madera Canyon Road, Pima County, Arizona, US
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Madera Canyon Road, Pima County, Arizona, US
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Amado, Santa Cruz County, Arizona, US
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on roadside drainage swale below vertical roadcut cliff face, in mixed coarse limestone spall and roadbed base gravels and sands. Leaves wide (3 to 4 cm) pale green, lightly pruinose, teeth conspicuous, curved forward.
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on exposed gray limestone outcrops forming low hillside with Hechtia, Larrea.
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dense population on low grassy hills
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dense population on low grassy hills
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faciated flowering panicle
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NOTE: marginal teeth stout, recurved, basally (rear) directed. Plants on calcareous soils of limestone graveled plains and bajadas.
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This species, and the related D. wheeleri, were widely used by indigenous peoples of the Chihuahuan Desert as a food, fiber & fermented beverage source as well as construction material for structures.
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inter-basin habitat with Viguiera stenolba, Prosopis, Larea, Lycium
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on hillside ledges of platy pale limestone with Hectia, Pomaria, Vachellia, Larrea, Ruellia, Escobaria, Mammillaria.
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on hillside ledges of platy pale limestone. Note backward facing marginal teeth
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on broad grassy roadside right-of-way in coarse gravelly calcareous/caliche soils of undulating plain. Marginal spines mostly point rearward, leaves bright green, not glaucous
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on broad grassy roadside right-of-way in coarse gravelly calcareous/caliche soils of undulating plain. Marginal spines mostly point out or rearward, leaves bright green, not glaucous
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on broad grassy roadside right-of-way in coarse gravelly calcareous/caliche soils of undulating plain. Marginal spines mostly point out or rearward, leaves bright green, not glaucous
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in gravels below north face of blocky limestone cliff cut on south side of large arroyo. Marginal leaf spines rear facing.
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salvaged plants
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salvaged plants
