MONTEIRO, THIAGO COBRA E. [UNESP]IGANCI, JOÃO RICARDO VIEIRAMIOTTO, SILVIA T.S.FORTUNA-PEREZ, ANA PAULA [UNESP]2022-04-292022-04-292021-09-30Phytotaxa, v. 521, n. 3, p. 219-226, 2021.1179-31631179-3155http://hdl.handle.net/11449/229729In the context of an ongoing taxonomic review of Adesmia subg. Adesmia ser. Bicolores, a new endangered species endemic to Rio Grande do Sul state, Brazil, is herein described. The new species present a long glandular ochraceous indumentum, flowers 10-15 mm long, and arilated seeds. Information about morphology, differences from closely related species, phenology, conservation status, and etymology are provided.219-226engAdesmia cladeFabaceaePampaSubtropical floraTaxonomyArtigo10.11646/phytotaxa.521.3.72-s2.0-85117299423