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Ebenopsis ebano - Sabal mexicana / Cardiospermum corindum Riparian Scrub Alliance | NatureServe Biotics 2019
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Name: Ebenopsis ebano - Sabal mexicana / Cardiospermum corindum Riparian Scrub Alliance Reference: NatureServe Biotics 2019 Description: This alliance includes subtropical riparian forests of the Rio Grande delta in south Texas and southeastern Mexico. These forests are most often associated with resacas (low-lying areas formed by old river channels), levees, and floodplain terraces of the Rio Grande delta. This alliance is extremely restricted, remaining only as fragmented stands within an agricultural landscape. It is characterized by a mixture of subtropical and temperate tree species. Canopy dominants and codominants include <i>Ebenopsis ebano</i> and <i>Sabal mexicana</i>. Associated canopy species can include <i>Ehretia anacua, Leucaena pulverulenta, Phaulothamnus spinescens, Fraxinus berlandieriana, Celtis laevigata, Ulmus crassifolia</i>, and <i>Prosopis glandulosa</i>. <i>Tillandsia usneoides</i> may occur as an epiphyte in the canopy. Undergrowth may be absent to dense, with a tangle of vines, shrubs, and fallen trees. Typical shrubs include <i>Sideroxylon celastrinum, Havardia pallens, Zanthoxylum fagara, Condalia hookeri, Ziziphus obtusifolia, Malvaviscus arboreus var. drummondii</i>, and <i>Celtis ehrenbergiana</i>. Fire and periodic flooding are thought to be critical factors to maintain <i>Sabal mexicana</i> forests. Forests in this alliance are known from a few sites south of Brownsville, Texas, in the lower Rio Grande Valley. Similar vegetation once was found in Mexico and probably is now totally eliminated.  Accession Code: urn:lsid:vegbank.org:commConcept:38011-{627C2883-C72E-421D-BFD8-9480DD61830D} Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 18-Dec-2014 to: ongoing
	status: accepted Community's Parent: Sabal mexicana - Ebenopsis ebano - Ulmus crassifolia Tamaulipan Riparian Scrub Group This Community's Level: Alliance This Community's Children: Show/Hide   Ebenopsis ebano - Ehretia anacua / Condalia hookeri Riparian Forest   Sabal mexicana - Ebenopsis ebano Riparian Forest		Names:   UID: ELEMENT_GLOBAL.2.898954 NatureServe Explorer   Code: A0041   Translated: Texas Ebony - Rio Grande Palmetto / Faux-persil Riparian Scrub Alliance   Common: Texas Ebony - Rio Grande Palmetto Riparian Scrub   Scientific: Ebenopsis ebano - Sabal mexicana / Cardiospermum corindum Riparian Scrub Alliance