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Native & Naturalized Warm Season Herbaceous Texas Legumes for Forage |
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We have collected as many herbaceous native legumes in the Cross Timbers region as we have been able to find and identify. With only a few exceptions (Vicia spp.), these are warm-season species and are rarely abundant where cattle grazing have been historically heavy. Our effort has focused on a few species with potential for harvestable seed as well as abundant foliage. These few are described below.
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Annuals |
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Annual legumes are short-lived, generally produce most of their vegetation early in the growing season, and disperse numerous seeds that form the basis for stand re-establishment the following season. They are generally more common in disturbed fields where they are early colonizers along with annual grasses. Annuals are attractive for reseeding disturbed soils, especially where game birds thrive on the numerous seeds. Burning or lightly discing the soil during the winter will facilitate re-establishment of these annuals.
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These are particularly useful for stabilizing disturbed soils since seedlings are vigorous and aggressive. They should become a favorite of those looking for game bird (quail, dove, turkey) feed since seed production is abundant and seeds are large.
Strophostyles leiosperma (smooth-seeded wild bean) is abundant in this region and often found in drier areas where sod-forming grasses are not present. Flowers are pink, seeds small (and shiny) while growth habit is viney. We currently work with both narrow-leafed and wide leaf (more productive) ecotypes. |
 Strophostyles leisperma (smooth wild bean) |
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Strophostyles helvula (trailing wild bean or Amberique-bean) tends to show up where soils tend to be more fertile and accumulate more runoff. As a result, it is more exuberant and produces longer viney growth. Flowers are pale yellow and pods are very long, almost like a cowpea.
We have some data from Vernon, San Angelo & Stephenville, Texas, about the productivity of these wild beans. Basically, they can be productive but this varies considerably from year-to-year based on rainfall and soils. The data is published in:
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Muir, J.P., R.L. Reed and D.P. Malinowski. Forage and seed of Strophostyles species as affected by location and harvest height. Native Plant Journal.
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 Strophostyles helvula (trailing wild bean or Amberique-bean) |
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The Texas A&M System · Research & Extension Center - Stephenville, Texas 76401 · 254.968.4144
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