Beauverdia hirtella subsp. glabrata (Amaryllidaceae), a new subspecies from Rio Grande do Sul State, Brazil Author Deble, Leonardo Paz Universidade Federal do Pampa, Campus Dom Pedrito, Dom Pedrito, Rio Grande do Sul, 96450 - 000, Brazil. & Núcleo Interinstitucional de Pesquisas Botânicas Balduíno Rambo, Santa Maria, Rio Grande do Sul, 97105 - 900, Brazil. text Phytotaxa 2021 2021-11-26 527 1 21 31 journal article 3208 10.11646/phytotaxa.527.1.2 5e205564-bd7d-44be-8995-dd9552353360 1179-3163 5728766 Key to distinguish the taxa of Beauverdia 1. Plants with strong alliaceous smell.....................................................................................................................................................2 - Plants without alliaceous smell ..........................................................................................................................................................4 2. Plants glabrous or with scarce uncinate 1-celled trichomes on scapes. Leaves glabrous, narrowly linear-filiform, 0.2–0.8 mm wide .............................................................................................................................................. Beauverdia hirtella subsp. glabrata - Plants with leaves, scapes and pedicels densely pubescent. Leaves linear-filiform or linear, 0.9–5 mm wide .................................3 3. Flowers with 6 tepals. Leaves erect-ascendant, 0.9–2 mm wide. Uruguay and southern Rio Grande do Sul state , Brazil ................. ........................................................................................................................................................ Beauverdia hirtella subsp. hirtella - Flowers with 8 tepals. Leaves patent-recurved, 1–5 mm wide. Northeastern Argentina ( Entre Ríos and Corrientes provinces) ....... ...................................................................................................................................................... Beauverdia hirtella subsp. lorentzii 4. Staminal filaments free at their bases.................................................................................................................................................5 - Staminal filaments adnate at their bases.............................................................................................................................................6 5. Flowers white, with 6 tepals................................................................................................................................... Beauverdia vittata - Flowers yellow, with 8–13 tepals .................................................................................................................. Beauverdia dyalistemon 6. Bulbs rhizomatous. Leaves erect-ascendant, 0.9–2 mm wide.......................................................................... Beauverdia subsessilis - Bulbs without rhizomes. Leaves patent or patent-recurved, 1–5 mm wide ..................................................... Beauverdia felipponei