Beauverdia, Herter, 1943

Deble, Leonardo Paz, 2021, Beauverdia hirtella subsp. glabrata (Amaryllidaceae), a new subspecies from Rio Grande do Sul State, Brazil, Phytotaxa 527 (1), pp. 21-31 : 28

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