Zornia ramboana Mohlenbr., Webbia

Zornia ramboana Mohlenbr., Webbia 16 (1): 90. 1961. Fig. S5 Type: BRAZIL. Rio Grande do Sul: Vila Oliva, 4 January 1934, Rambo 30761 (holotype LIL). Shrub to ca. 50 cm tall. Stems erect, branched, tomentose. Leaves with 2 leaflets, petiolate. Leaflets 5–35 × 2–11 mm, ovate to lanceolate, tomentose. Stipules elliptic, 4–6 veined. Inflorescences spiciform, axillary, 20 cm long. Bracteoles 10–11.5 × 5–6 mm, elliptic, 5–8 veined, punctate, sericeous, green. Loment with 4–7 articles; articles 1–2 × 1–2 mm, not reticulate-veined, bristle-like trichomes absent. Distribution and habitat: Brazil, endemic. It occurs in sandy soils of the Cerrado vegetation in the Savanna biome. Conservation Status: Vulnerable (VU). The species only occupies a fraction of its overall extent of occurrence within Cerrado vegetation in Brazil (EOO= 388,554.686 km ²; AOO= 208.000 km ²). Notes: Zornia ramboana differs from the other species of the genus by its tomentose indumentum on its stems and leaflets. It also can be identified by its elliptic, sericeous bracteoles. Representative specimen examined: BRAZIL. Minas Gerais: Falcão, Ouro Preto, s.d., J. Badini s.n. (OUPR); Paraná: Lapa, 17 March 1966, G. Hatschbach 14049 (P); Rio Grande do Sul: RS-625 para Minas do Camaquã (Guaritas), Caçapava do Sul, 3 December 2020, T.C. Monteiro et al. 379 (BOTU); São Paulo: São Paulo, 4 January 1934, F.C. Hoehne 32076 (NY); Santa Catarina: s.loc., s.d., Burchell A 278-5 (K).