Gregg Hawthorn foliage and spent, pink-flushed spring flowers in Coahuila, Mexico. Photo: Rafael Torres, Wikimedia Commons / iNaturalist (CC BY-SA 4.0) Crataegus greggiana, the Gregg
Sycamore-leaf snowbell in full spring bloom, its pendant white flowers hanging beneath broad green leaves. Photo: Public domain, via Wikimedia Commons Styrax platanifolius, commonly called
Goodding’s ash foliage and ripening samaras in a sky-island canyon of southeastern Arizona. Photo: Ken-ichi Ueda, via iNaturalist/Wikimedia Commons (CC BY 4.0) Fraxinus gooddingii, Goodding’s
Young Faxon yuccas on a rocky Chihuahuan Desert hillside in the Big Bend region of Texas, their old dried leaves still skirting the trunks. Photo:
Chihuahuan ash foliage catching afternoon light in a sky-island canyon of the Chihuahuan Desert borderlands. Photo: C.K. Kelly, via Wikimedia Commons (CC BY 4.0) Fraxinus
Barreta forms a dense, glossy-leaved thicket in the Tamaulipan thornscrub of deep South Texas. Photo: Douglas Goldman, via Wikimedia Commons (CC BY-SA 4.0) Helietta parvifolia,
Zanthoxylum hirsutum, commonly called Texas Hercules’ Club, Texas Prickly-ash, Tickletongue, Tingletongue, or Toothache Tree, is a small, thorny, aromatic shrub-tree native to the limestone hills
Mexican holdback’s fine, fern-textured foliage and dehiscent seedpods. Photo: Wikimedia Commons (CC0) Erythrostemon mexicanus — long known in gardens as Caesalpinia mexicana and still sold
Lindheimer hackberry branch showing its small, thick, rounded leaves, photographed in Bexar County, Texas. Photo: Wendy A, iNaturalist / Wikimedia Commons (CC0) Celtis lindheimeri, known
Guajillo’s lacy, fern-textured foliage and fragrant cream puffball flowers. Photo: Don Carlson, Wikimedia Commons (CC BY-SA 3.0) Senegalia berlandieri — long familiar to Texans as
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