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A species of the genus Uromyces was found to be unrecorded from China.Uromyces onobrychidis (Desm.) Lév., Ann. Sc. Nat. 3. Sér. 8: 371, 1847.Spermagonia and aecia unknown.rnUredinia ramicolous or amphigenous, scattered, rounded or elliptic, orange yellow, 0.3～0.5mm in diam., urediniospores ellipsoid or obovoid, 21.5～34.7 × 13.5～ 19.5μm, wall 1～ 1.7μm thich, pale yellowish, echinulate with spines spaced 2～ 2.6μm, pores 2～ 4, equatorial; telia ramicolous or amphigenous, sparsed or loosely grouped, rounded or elliptic, 0.4～0.8mm in diam., chocolate-brown, pulverulent; teliospores obovoid, ellipsoid or globose, 17.5～24.8 × 13.2～ 16.5μm, rounded at the apex, with a subhyaline papilla about 1～ 1.7μmhigh; wall 0.7～ 1.31μm thick, pale-brown, indistinctly verrucose, pedicels hyaline, short, deciduous.rnSupported by the National natural sciences foundation (NO. 39360069)rn