Sophora secundiflora


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Sophora secundiflora

North American plant in legume family Fabaceae; toxin is assumed to be an unidentified quinolizidine alkaloid which causes a staggers syndrome in range sheep. When driven affected sheep tremble, stiffen and fall but recover quickly. Most recover if access to the plant is denied. Called also mescal bean, frijolito.
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Sophora secundiflora grows 5 to 8 m tall with a maximum canopy diameter of about 3 m.
fusiformis, Live oak) followed by Diospyros texana (Texas persimmon) and Sophora secundiflora.
Gas exchange rates as a function of light level or photosynthetic flux density (PFD) were measured and plotted for sun and shade leaves of Sophora secundiflora plants (Hamerlynck & Knapp 1994).
x]) of sun and shade leaves for Sophora secundiflora and soil moisture (%).
Taxon Cedar Glades Woodlands Opuntia phaeacantha 100% 57% Juniperus ashei 86% 100% Diospryros texana 71% 100% Acacia roemeriana 57% 100% Rhus virens 57% 71% Echinocerous caespitosus 43% - Quercus fusiformis 43% 100% Sophora secundiflora 43% 100% Yucca ripicola 43% 43% Dasylirion texanum 29% 14% Eysenhardtia texana 29% 14% Mammillaria vivipara 14% - Berberis trifoliolata - 100% Bumelia lanuginosa - 57% Foresteria reticulata - 29% Celtis laevigata - 29% Quercus stellata - 29% Ulmus crassifolia - 14% Cercis canadensis - 14% Ungnadia speciosa - 14% Table 2.