Acacia angustisiliquaAcacia virgataAcuan depressaAcuan depressumAcuan texanumAcuan tracyiAcuan virgatumDesmanthus depressusDesmanthus pratorumDesmanthus strictusDesmanthus tenellusMimosa angustisiliquaMimosa depressaMimosa virgata L.[3] Desmanthus virgatus is a species of flowering plant in the legume family that is known by many common names, including wild tantan, prostrate bundleflower, dwarf koa, desmanto, acacia courant, acacia savane, pompon blank,[4] adormidera, brusca prieta, frijolillo, ground tamarind, guajillo, guashillo, huarangillo, langalet, petit acacia, petit cassie, petit mimosa, virgate mimosa,[5] and slender mimosa,[6] as well as simply desmanthus.

Its herbage dies back to the woody taproot during dry conditions and sprouts up again when adequate moisture is available.

[4] A short stalk bears up to 11 legume fruit pods which are linear in shape, dark red to blackish in color, and up to 8.5[5] or 9[4] centimeters long.

[5] Its habit of dying back to the root crown helps it to withstand drought, frost, fire, and grazing.

[9] It is naturalized in several African countries, such as Senegal, Zambia, and South Africa, as well as Pacific Islands such as New Caledonia and Hawaii, plus Indonesia, the Philippines, India, and Australia.

[12] The plant appears to help control erosion[8] and fixes nitrogen, improving the soil.

[13] Livestock, such as sheep, help disperse the plant's seeds throughout the rangeland, as they survive passage through the gut.

[16] Until recently, many authors grouped several other Desmanthus under the circumscription of D. virgata, including D. pubescens, D. pernambucanus, D. glandulosus and D.