Zornia multinervosa Burkart ex Bacigalupo, Darwiniana

Zornia multinervosa Burkart ex Bacigalupo, Darwiniana View in CoL 21 (1): 174. 1977.

Figs 9F, S View Figure 9 4 View Figure 4

Type: ARGENTINA. Entre Ríos: Federación, Burkart 30855 (holotype SI–I019205!, isotype CTES–0000690!) .

Zornia reticulata Sm. var. neurada Vogel, Linnaea View in CoL 12: 58. 1838. Type: BRAZIL. F. Sellow s.n. (holotype K).

Shrub to ca. 20 cm tall. Stems decumbent, branched, glabrous. Leaves with 2 leaflets, petiolate. Leaflets 2–30 × 2–5 mm, ovate to lanceolate, glabrous. Stipules obovate to lanceolate, 5–7 veined. Inflorescences spiciform, axillary, 25 cm long. Bracteoles 7–11 × 2–5 mm, ovate, 8–9 veined, punctate, glabrous, green. Loment with 4–6 articles; articles 2–3 × 2–2.5 mm, not reticulate-veined, bristle-like trichomes 1 mm long.

Distribution and habitat: Argentina, Brazil, Paraguay. It occurs in Savanna.

Conservation Status: Vulnerable (VU). The species has an AOO of only 104,000 km ² and an EOO of 373,332.111 km ².

Notes: Zornia multinervosa differs from the other species in the genus by its obovate stipules, each with 5–7 veins, and its ovate bracteoles with 8–9 veined.

Representative specimen examined: ARGENTINA. Corrientes: Dep. Mercedes, 21 February 1984, S.G. Tressens et al. 2268 (K) . BRAZIL. Rio Grande do Sul: Porto Alegre, 1897, Reineck & Czermak 94 (K, M, P) . PARAGUAY. Carapegna: s.loc., 1885–95, E. Hassler 1221 (P) .