ACANTHACEAE

Justicia californica, of the southwest North American deserts:

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ANACARDIACEAE

Rhus microphylla from southwestern Texas:

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Rhus virens, a charismatic sumac from the aridlands of Texas:

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ASPARAGACEAE (incl. AGAVOIDS)

Agave cf. chrysantha of the low Sonoran desert:

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Yucca brevifolia, the “joshua tree” of the southwestern United States, sometimes big, sometimes not:

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ASTERACEAE

Pectis angustifolia, a lemon-scented annual daisy of southwest North American deserts:

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BERBERIDACEAE

Berberis haematocarpa, of the southwestern North American deserts:

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BROMELIACEAE, the bromeliad family.

Hechtia cf. texensis, member to a prickly New World aridland bromeliad genus often confused for Agave and other unrelated genera:

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CACTACEAE

Cylindropuntia bigelovii, a largely clonal cactus of North American desert bottomlands:

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Ferocactus cylindraceus, a charismatic barrel cactus of the southwest North American deserts:

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Opuntia sp., attaining spectacular stature in the Sonoran desert:

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CUCURBITACEAE

Cucurbita palmata, a wild melon of the lowland Mojave desert; somehow, it is able to sequester a sizeable quantity of water in some of the driest places of North America:

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FABACEAE

Calliandra eriophylla of the Sonoran Desert:

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Vachellia constricta, an acacia of the desert southwestern United States:

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POLYGONACEAE

Eriogonum inflatum of the greater Mohave, with its conspicuously inflated upper scape:

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ROSACEAE

Cercocarpus ledifolius (Rosaceae), proliferating across the southern Inyo Mountains and beyond:

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SANTALACEAE

Phoradendron californicum, a hemiparasitic “mistletoe” inhabiting a Parkinsonia in the Sonoran desert:

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SAPINDACEAE

Ungnadia speciosa, a maple relative of Chihuahuan Desert washes with loculicidal capsules:

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