Zornia echinocarpa Benth., Fl. Bras. (Martius

Zornia echinocarpa (Moric. ex Meisn.) Benth., Fl. Bras. (Martius) 15(1): 85. 1859. Myriadenus echinocarpus Moric. ex Meisn., Pl. Vasc. Gen. [Meisner] 3: 64 (69–104, Tab. Diagn.). 1837. Fig. S3 Type: BRAZIL. Bahia: s.loc., 1 April 1834, J.S. Blanchet 1682 (holotype G–00370085!). Shrub to ca. 1.5 m tall. Stems erect, branched, tomentose. Leaves with 4 leaflets, petiolate. Leaflets 2–11 × 1–4 mm, spatulate, pubescent to glabrous. Stipules ovate, 1–5 veined. Flowers solitary. Bracteoles 3–4 × 2–2.5 mm, elliptic, 5–6 veined, punctate, glabrous, green. Loment with 6–10 articles; articles 4–5 × 2.5–3 mm, not reticulate-veined, bristle-like trichomes 1 mm long. Distribution and habitat: Brazil, endemic. It occurs in sandy soil in the Caatinga vegetation of Tropical Dry Forest. Conservation Status: Near Threatened (NT). Zornia echinocarpa has a distribution restricted to the Caatinga vegetation in northeast Brazil (EOO= 574,879.574 km ²; AOO= 144.000 km ²). Notes: Zornia echinocarpa can be identified by the solitary flowers and their loments, which consist of 6–10 articles with bristle-like trichomes 1 mm long. Representative specimens examined: BRAZIL. Bahia: Crisópolis, 27 August 2007, A.P. Fortuna-Perez et al. 304 (UEC); Feira de Santana, Martius 2220 (M); Raso da Catarina, estação Ecológica do Raso da Catarina, 25 June 1982, L.P. de Queiroz 357 (K); s.loc., 1882, Blanchet 1928 (K, P); s.loc., s.d., Martius s.n. (M); s.loc., s.d., May 1866, A. De Candolle s.n. (K).