Name:
Northern Chaco Xeromorphic Scrub & Savanna Macrogroup
Reference:
NatureServe Biotics 2019
Description:
These are semi-open shrublands and woodlands, usually formed by thorny species, accompanied by abundant cacti species. These grow on well-drained, sandy alluvial plains of the northwestern Chaco biogeographic region in Bolivia, Paraguay and northern Argentina. Characteristic species are <i>Acacia furcatispina, Acacia aroma, Mimosa detinens, Senna chloroclada, Cercidium praecox, Pithecellobium chacoense, Opuntia paraguayensis, Opuntia retrorsa, Stetsonia coryne, Castela coccinea, Capparis speciosa</i>, and <i>Piptadeniopsis lomentifera</i>. The macrogroup also includes more-or-less established eolian dune communities of fluvial origin formed by an open layer of grasses and forbs adapted to xeric conditions, including cacti, and scattered shrubs and short trees. These communities include several annuals and their true extent is visible during the rainy season. Among the trees and shrubs, characteristic species are <i>Schinopsis cornuta, Hexachlamys edulis, Astronium fraxinifolium, Jacaranda cuspidifolia, Tabebuia aurea</i>, and <i>Senna chloroclada</i>, accompanied by <i>Gymnocalycium marsoneri, Melochia</i> sp., <i>Gaya tarijensis, Richardia scabra, Rhynchosia burkartii, Aristida mendocina, Arachis batizocoi, Galactia latisiliqua, Indigofera parodiana, Pappophorum krapovickasii</i>, and species of <i>Axonopus, Paspalum, Eragrostis, Borreria, Ipomoea, Chamaecrista, Crotalaria, Chloris, Digitaria, Bothriochloa</i>, and <i>Andropogon</i>.
Accession Code:
urn:lsid:vegbank.org:commConcept:41009-{FEBBE738-3A3B-4991-9A23-F04B886A39A1}
Plot-observations of this Community Concept:
0
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