Nothoscordum gaudichaudianum Kunth

Echeverría, María L., Alonso, Sara I. & Comparatore, Viviana M., 2017, Survey of the vascular plants of Sierra Chica, the untouched area of the Paititi Natural Reserve (southeastern Tandilia mountain range, Buenos Aires province, Argentina), Check List 13 (6), pp. 1003-1036 : 1015

Nothoscordum gaudichaudianum Kunth

Figure 6

Nothoscordum gaudichaudianum Kunth (1843) : 458 — Hurrell (2009b):

44; Flora Argentina (2017); Tropicos (2017).

Nothoscordum grossibulbum Beauverd (1908) : 1003.

Allium bivalve (L.) Kuntze var. gaudichaudianum (Kunth) Kuntze

(1898): 312— Guaglianone (1972): 159–242.

Allium bivalve (L.) Kuntze (1898): 315.

Cryptophyte, native with distribution in the Southern Cone Region of South America; previosly known from the Entre Ríos and Corrientes provinces ( Argentina) but not from Buenos Aires province.

Characteristics. Perennial herb to 25 cm tall. Bulb subglobose, 1.5 cm in diameter, with onion odor, without lateral rhizomes. Leaves linear, 1–3 cm long, veins parallel, apex obtuse, 4–18 cm long. Peduncles longer than foliage. Inflorescence: an umbel, with 2–5 flowers, with erect, unequal pedicels; rotate perianth with 6 white tepals with purplish tinge; free filaments. Fruit: a capsule.

Comments. This is a rare species in the study area.

It grows in full sunlight conditions on shallow to moderately deep, damp soils on rocky and grassy slopes with other small to medium-sized species. Nothoscordum gaudichaudianum can be distinguished from other Nothoscordum species by its erect peduncles, white tepals, free filaments, and bulbs with characteristic onion odor.